stereo to mono summing box Both inputs plugged in and only the Mono output plugged in, both input signals are summed into one mono signal. The SSA 2A consists of a summing amplifier at the input, a 23 stepped attenuator with a range of +/- 10 dB and an output stage. : summing to mono, as it's called, is the way to go IMO when you have stereo keys. : Female XLR to Mono Jack Kick mono, Snare mono, Drums OH stereo, Bass mono, Vocal mono, BGV stereo, Guitars stereo, Keyboard stereo and FX stereo. Location: Stratford, London England. 2 Ft Castline Gold 1/4" TRS to 1/4" TS Mogami 2549 Stereo to Mono Summing Cable with Resistors Hosa CPR-202 Dual 1/4" TS to Dual RCA Stereo Interconnect Cable, 2 Meters Hosa CMP-110 1/4" TS to 3. 40 List Price: $399. The SB2 is an 8/16x2 passive summing mixer in a ultra-compact format. Most analog summing designs take a number of mono inputs and assign them to the stereo bus via either pan pots or L-C-R switches. I want to set an output balance on the headphone out. drag to the track you'd like to have in mono. It began today as I obtained birthday money from my sibs, to the tune of $150 almost, and I have still a $50 prepaid Visa card to use as well, so nearly $200 so this allowed me to obtain a few things as of today. I needed a summing box which includes an online resistor. Stereo aux send and 4 x mono sends per channel (4) Stereo returns with full stereo mix bus routing; Dual stereo mix busses with summing Inserts and reassign; Sterling Modular Desk: Dimensions: 80. TRS stereo to XLR mono summing cable . • You needed to connect the stereo outputs of a mixer, interface, or studio monitor volume controller to a single active monitor ("grot box") such as an Auratone, Avantone Mix Cube, Behritone, etc. With more than half my records in mono, and a stereo system with no mono switch, some attention to the mono-stereo issue has been long overdue. Stereo-to-Mono Summing Box. Also, as a side-note: set the Look-ahead delay (LMH Del) to zero milliseconds to avoid latency delay appearing to the Maximus output. Low frequency summed (subwoofer) output Designed specifically for mono subwoofer applications, the 234xs's LF sum switch “sums” the low frequencies of both the left and right inputs. set the input to your original audio track and arm for record. The Cherry Audio Poly To Mono module receives a "poly" audio or CV signal, and outputs its channels, or "lanes," individually and as a summed mono output with level control. The general idea is to make a box for the end chain of a pedalboard that would have a stereo pedal plugged in all the time (i. They often cause distortion and in weird circumstances can even damage some gear. With the Fostex M22RP, Mono summing may occur anywhere in the audio chain with complete phase integrity. I use those to save a channel on CD inputs when I need to use a mono input. By converting your signal from unbalanced to balanced, it allows longer cable runs, less noise, and proper compatibility with mic inputs. Mode button on the remote will sum the Tuner input to mono. You can also mix stereo and mono inputs as long as you use a stereo output. A stereo audio file on a stereo audio track looks like the image above in Studio One, stereo is denoted by the icon shown within the red box on the image. The ProAV1 provides you with the ability to connect almost any audio source to a PA system, while automatically summing stereo sources to mono to preserve channels and simplify the audio setup. DB loss as a result. Hi. With 14 inputs, including 4 stereo inputs, 4 mono inputs, and 2 auxiliary inputs, the Fat Bustard MkII is suited for a medium-sized mix. Stereo Mini 3. Radial makes a PC DI that has RCA inputs and 1/8" stereo inputs. 99 On Sale 20. Discussion in 'DIY' started by fraggler, Jun 25, 2018. If you want to "Mix" 2 channels together (i. 4-Segment LED Metering on each summing channel. I am trying to make a small box to take the mono audio output form my analog synth and run it through a panning knob so I can control where in the stereo mix the mono signal is placed. Hand Of IkeWell-Known MemberThread Starter. Sum is a 32 x 4 line mixer that can be used for external DAW summing or as a line mixer for synths, samplers, and effect returns. DMS - Dual Mode Summing. 6" Width, 44. Connect all 3 grounds together. I gather that 5 liters is something like 305 cubic inches, or roughly 5000 cubic centimeters. Great for travel gigs or small spaces) Summing Stereo into Mono. InnerTUBE Audio (www. Its very easy to spoil the balances of instruments so you need to check in mono all the time. . Enjoy our 45-day return policy. AM Stereo, FM Stereo and TV Stereo are received in mono at many locations. g. 2x mono 6. 99 $29. For that you just need two resistors and you might use higher values, say 2. It really doesn’t matter where you do the mono summing, whether you run from the mono jack on your keyboard or sum using a direct box or mixer—it will sound the same. On Stage DB1100 Active Direct Box with Stereo to Mono Summing Keep the integrity of your signal from your keyboard or any instrument when you plug into a mixing board or recording console. A Gerrard TT & a Sherwood tuner. With a mono audio system you combine the left and right channels inside the sound board to send to your speakers thus eliminating any stereo feed and summing them into a single mono feed. Dad had a Mac amp & preamp into a large wharfdale speaker. Mix two dynamic microphones together into a single preamp The MIX 2:1 works with mic-level signals as well, which is useful when you're low on available input channels, or want to process two mics using the same signal chain. A: Unit Audio summing boxes (actually all passive summing boxes) have 8 or 16 line level inputs and 2 mic level outputs. 00. Realtek High Definition Audio If you’re wondering why The Rolling Stones in Mono box set was sourced from the original analog tapes transferred to DSD (single bit, 2. Great for any device or instrument, especially keyboards. The best result was "electronically rechanneled for stereo" which is not very stereo. First two channels can be converted to 4 mono channels inputs for a total of 8 stereo and 4 mono option. Does anyone know of a Stereo summing box/ pedal that I have tthe end of the my chain or at least carry around in case I need to sum to mono. I think that just plugging into one output sums to mono, but even if it doesn't, just having one half of a stereo signal might be ok depending on what you're doing with the nemesis and chorus. Combining the 2 mono source into one mono source can be done, but like kornphlake said, for most of today's crappola music stereo=mono :biggrin: So, go ahead and use that mono to stereo cable as stereo to mono cable. The simple solution is to just get a stereo DI box. We will use these for mono lead vocals and mono bass. One (1) stereo and (2) mono auxiliary sends/buses. 35mm to single stereo 6. A ground lift switch is mounted between the XLR connectors so that it is out of the way and won’t get bumped accidentally. " I had most of the parts laying around and whipped up a few of these stereo to mono summing boxes (dubbed the "sumbitch'") In my experience, I have found the theories to be true. DI 10P PRO DI features unbalanced stereo Left & Right RCA and 1/8" TRS Input connectors, and a high quality Neutrik Output XLR jack that sends a balanced, summed mono version of the input to your mixing board or other processing device. 35mm 3. Plug a mono plug in and you get the left side only. A summing amplifier simply sums multiple audio streams to stereo, while the DAW’s mixer is used to perform the mixing functions of balancing and panning. g. Sum design takes you beyond the simple "hard-left" or "hard-right" summing box, and gives you 16 stereo input channels with level, pan, mix assign and mono select. A necessity for your audio toolkit. 35mm) mono TS plug for connecting to the input of your mixer, direct box, subwoofer, powered monitor speaker, or other device. Bought this before the console purchase and won’t be needing it. Solder a jumper between hot of left and right in a stereo 1/4" TLS jack and connect to a length of screened cable and solder an RCA plug on the other end, and plug it into our mono amp. Measure out and mark off the locations for the RCA input set, the RCA output set, and the toggle switch. Can also be used to split mono to stereo. That would be a problem if you have an early Beatles recording where drums are in 1 channel and vocals in another. Equipped with a custom-built MIDAS transformer, fully adjustable independent level controls for the stereo input channels, DI 10P is the perfect stereo to mono XLR solution for professional audio and multimedia applications. Its a gimmick imho. Summing boxes have a reputation of doing this without knowing. com describes "the stereo to mono summing cable that n Stereo To Mono Adapter found in: Calrad 3. 5mm st Right now I have to resort to using 5 different adapters in order to sum two output channels together to do something as extremely simple as summing two signals. 49 Some stereo pianos collapse to mono better than others. com/other/In the video, Jon from Silent Sky Studios and MicModKits. :) That's why I asked what I did. The ProAV2 is a stereo passive direct box perfect for anyone needing to send a variety of signals from stereo consumer products to a professional mixer and loudspeaker system. Connect the other ends of the 2 resistors together and to the sub in. You can use stereo delay plugins to create a slight doubling that adds extra texture and also pushes the sound further out. stereo into mono). The device is called a stereo to mono combiner or summing box. Without this you are potentially part shorting the output of each source by connecting to the output of the other source (unknown resistance whether on or off). by stopmakingsense » 23 Apr 2019, 01:26 Indeed, the Palmer PMBL Dual Channel Line Merger is a more correct tool then the Pan 05 for the this application. which is a 'real' mono cartridge. For many home producers or electronic musicians, this is the most common method for audio summing. With newer, active balanced outputs, this may cause damage to the output amplifiers. I’m sure someone makes a box that would give me this option but I’m wondering if the mixer can do it. The inputs provide balanced 40Kohm bridging impedance for line levels up to +24dBm. 39, with $2. The pictures are black, but we've got a couple of these in odd colors. The LED on RMT will blink once the change has been made. This way, when summed to mono, the track will still have juice. 2k, just in case the output impedance is on the high side. This is probably your normal 'in the box' mixing connection anyway. High Headroom Design To fix it, create a mono version of the track and keep it panned center. You need to be careful of phase cancellation and comb filtering when summing a stereo signal (preset) to mono, if it contains effects which invert phase or shift time alignment. Perfect if you play in stereo, but also want the flexibility to play in mono. Stereo has come in and out of vogue over the years, but there has been a resurgence—with increased releases of stereo effects and increased interest in ambient sounds and textures. And choose “Split Stereo to Mono”. The main speakers are fed (L&R) from the desk using the monitor out section on the desk which then goes to an external splitter for a second pair of monitors switch. The Speck Electronics X. The effect is mono-compatible with no phasing problems when summing to mono. The Speck Electronics X. Stereo widening is key to taking your mix to the professional level and impressing listeners with your soaring sound. Otherwise use either left or right alone for the mono feed. For mono (or single VC subwoofer) then connect right to positive terminal and left to negative. 5 mm socket / plug, when wired for stereo, the tip is left, the ring is right and the sleeve is the common ground. So in many instances where stereo was the creative focus for a recording session, the mono master was created simply by summing the two tracks utilized for the stereo recording without any creative attention given to the process. DIY Signal summing box with Passive Volume Control. The Mono L file gets inserted into Track 1 (L) and Mono R into Track 2 (R). Basically I don't want to have to change my setup too much and would like to know if the conversion from stereo to mono is going to affect the sound quality like the adapter. The input and output connections are both RCA connectors. The DB1100 also features a Merge function, allowing a left/right stereo signal to be input through the In and Thru jacks, thus outputting a summed mono signal. If you only have one speaker, you will only be able to output mono sound. This little box does in fact centre the surface noise that can disrupt the phantom centre effect associated with mono listening. I am not acquainted with your particular components, but in my experience I have found the sound much superior when I did NOT just use the L/Mono line-out from my keyboard. The first thing to do is change the channel into a mono channel. Clear the check box to disable the stereo-to-mono summing. If you learn that you also need the type of device I have, give Tom Tutay a call. This simple circuit mixes two or more channels into one channel (e. I had the problem of summing stereo outputs from a sound module but also had an isolation issue as well. Pair the SB2 with your favorite pair of mic preamps to add glue and color to your mixes. On the other end is a 1/4″ (6. Joined: Tue May 20, 2014 3:40 am Posts: 201 I built a summing box about a year ago. Stereo-mono is really a problem of mixing two channels of audio. I've done some research and it looks like I might need a summing box. The ALT output is 1/4 inch TRS balanced and not XLR. Expected to ship out in 8-10 business days. The speaker/driver: Dayton Audio ND140-8 5-1/4" Aluminum Cone Midbass Driver 8 Ohm The speaker "box" is a 5 liter mini-keg. Pros: Helps to integrate the analog gear to the digital environment; The capability to expand the number of channels; I have an old NuTone system in my house which accepts mono aux inputs. Let’s look at an example. For stereo hook the left speaker reverse polarity. Stereo Sum – The default mode Output ships with. Get the guaranteed best price on Y Cables like the Hosa STP-203 Stereo 1/4" Phone to 2 - Mono 1/4" Phone Insert Cable at Musician's Friend. This allows two or four mono sources (eq: Kick, Snare, Lead Vocal, Bass, etc…) Avoids using up a stereo pair for mono tracks. 4 The value of the resistors is the big unknown for me. I would either let the sound person handle the summing stereo outputs with his/her mixer, or bring a small mixer with a mono monitor out. 5mm Stereo Plug to 3. g. By convention, you should use the left 1/4 in. The JIB/R will allow you to sum two stereo sources such as a tape, cd, mini disc, or mp3 player, and combine and convert them into one mono XLR or 1/4" output. for the mono stereo switch like I said its like in post # 13 and I am using a pair of 2. General Questions. Left) and then take the mixer for that side (e. By running all of inputs of the summing box, you remove the sonic nature of the summing box itself as a variable when making your comparison. 5 mm TRS Mono Interconnect Cable, 10 Feet Monoprice 107129 3. Start by installing a summing box into your system. Does your mixer not have a stereo/mono output switch This summing mixer is one of the best straightforward units out there that offers the essentials: sixteen great sounding analog input summing channels, and a dual stereo output that will feed your monitoring chain. 3 I want to achieve this by wiring the 3. To access these two modes, use the internal DIP switch to select which mode is best for you. You need a way to "mix" those two signals into one mono signal to feed the line-level input. On-Stage Active Direct Box with Stereo-to-Mono Summing Overview The DB1100 Active Direct Box transforms any high-impedance source into a low-impedance (XLR) signal ready to be sent long distances to a mixing board or recording console. . a TC Electronic HOF Reverb) and with the flick of a toggle switch be able to make it Mono (both outputs the same sumer signal) if I'm going to only one amp or keep it Stereo (true bypass) if I'm going to two amps or a Upgrading to a console. 5mm output mono male jack with the summing/ mising box in between. Summing it up. Discussion in 'Audio Hardware' started by Hand Of Ike, Oct 30, 2019. innertubeaudio. the stepped attentuator is 10k per deck, 4 deck, so 20k balanced stereo, which matches my monitors. 5mm jack inputs, mono/stereo summing switch, Mute switch, A/B output pairs, and a built in stereo headphone amplifier, the M-Patch 2 has all bases covered. It is also useful as a gain block, and as an impedance converter and summing for IHF (RCA t $390. 1. A stereo signal can be summed to mono. Clearly, the cable suggested is designed 4x Stereo to Mono input switch conversion 1/2,3/4,5/6,7/8 = 8 mono; 32 CH 16 Stereo insert by Return enable (16 stereo) Switch 32 CH 16 Stereo SEND by TRS Balanced; 32 CH 16 Stereo RETURN TRS Balanced; Master Active/Passive by Switch; Master Send/Return by Switch via TRS balanced; Master Stereo to Mono switch Stereo to Mono circuit at its output to create a single output (left-channel) that is the combination of two channel stereo. I realized (see pics) a stereo version by simply doubling the lines (one for right "R" audio signals coming from the synths you want to merge, and one for left "L" signals) which uses double the components (except the shared ABS box); they are two identical, indipendent, circuits. Building on the success of the original M-Patch, the new M-Patch 2 is a feature packed passive problem solver for nearly all production environments. finally i ll try to give a shot but in a different ways. Most churches require a lot of media devices to play from. The summing cable can be used to combine a stereo unbalanced signal into a mono unbalanced signal. If you want to sum the two channels you can build a little passive summing tool with about 3 resistors inside one of the connectors. This is then input into the amplifier (some Dayton Audio that i had from some time ago). You can also combine two separate signals, matching the input levels between them. output to run to your speaker and ensure that the PAN knobs are all moved to the left (since you aren't using the right output). If there is no way to create a mono output then pan all your mixer inputs all the way to one side (e. now create a new audio track. Any of the 16 stereo channels can be assigned to either the main stereo Mix output or the stereo Mix-B output. Depending on how the stereo was created, summing stereo to mono can cause some cancellation and a resulting odd-sounding mono mix. Check out the video above for a quick run-through of how I built my 16-channel summing box. • You needed to sum a stereo signal to mono for connecting it to a single subwoofer. The JIB/R also has a phantom block circuit which prevents phantom power going to the input sources. Very often, an inexperienced audio person will attempt to wire the stereo pair's three wires directly to the input's 3-pin balanced input. Inputs are available via 1/4", RCA, and 3. It is important that the mono inputs are either: Switched to stereo; Connected to outputs (even if not used) Terminated by shorting plugs . Its active design features isolated inputs, a 15dB pad switch, ground lift switch, low cut switch, and polarity switch. 1) but there is noise output via speaker when the source is switching from one song to another. If you wish to insert mono signals into the mix, just insert the signal into the lower TRS jack. What we all actually want is a summed stereo signal to both channels. It is NOT recommended to use the Enhancer if just using one side of a stereo output as phasing effects may be encountered. Description. 5mm Mono by Keple, Audio Adapter, Y Splitter, 3. Boomerweps The Extron ASA 141 Audio Summing Adapter is a convenient, single-cable solution for combining two-channel stereo audio into a balanced or unbalanced mono audio signal. Using a stereo/mono switch on Mono to make both L & R speakers the same output electronically, can be a useful trick if available. Select either Mono 4-way or Stereo 2-way/3-way operation via the switches located on the 234xs's rear panel. An example is old Beatles stuff. In fact, designing only stereo systems is a part of the firm’s core values. I believe his number is listed in one of my threads. Using mono cables shorts the ring to the sleeve and the box acts as a normal unbalanced system; while using stereo cables takes full advantage of the floating benefits. i run an inverter on left channel. What you have shown suggests that while you certainly can set up a mono output it's done on the computer and then stored as part of a particular XO configuration? The JIB/BT4R is a lightweight, compact, portable XLR Bluetooth® receiver that allows a user to transmit high quality mono Bluetooth® audio wirelessly from a smart phone to an active speaker or mixing console. Great for plugging a smartphone into mono input on a mixer or guitar amp. While stereo tracking can be very beneficial when it comes to higher frequencies, large stereo spreads for lower frequencies ca BOZ DIGITAL Mongoose - Low-End Stereo to Mono Summing Plug-In Mongoose from Boz Digital is a plug-in for tightening the bottom end of mix when the relevant tracks have been recorded in stereo. Sixteen (16) summing channels (24 channels during mix) 0dB bypass switch for each summing channel. Summing mixes the two output channels of the last effect in your chain into a mono output to feed a single amp, and recently many guitar players have asked if their stereo pedalboards could benefit from sum-to-mono functionality. innertubeaudio. Re: Stereo or Mono for Boombox I grew up listening to monaural (that's what they called it back in the day). When you’re short on channels, the MIX 2:1 allows you to sum a stereo output down to mono, using only one channel on the console. 00 Or $67. com) offers Sumthang, a tube-based 8-input stereo summing box that features custom-wound, nickel-core, transformer-balanced inputs and outputs; dual Sifam VU output meters; a stereo output volume control (or optional stepped attenuator); and the ability to cascade multiple units to handle additional input channels. 2 Digital Amplifier Board Audio Stereo 2x15W Output Power. To ensure the exact reproducibility of a mix, the Tube Summing Mixer is equipped with a stepped output switch instead of a potentiometer. The goal is to be able to easily change the L/R pan of the synth in the output during performance. 1/2: Bass/Drums; 3/4: Vocals; 5/6: Guitars; 7/8: Keys/Effects; Summing Mixer with Stereo to mono input conversion switch: read more: https://vintagemaker. The SUM100 Summing Amplifier is an inexpensive, high performance amplifier that is designed as a line level stereo to mono summing amplifier. The L mixer out goes to one end of one resistor, the R mixer out goes to one end of the other resistor. Thus the M22RP is really three microphones in one. 00 Add to cart; DISO Plus – Dual Line Isolator w/ XLR Summing Mod $ 299. AMD A6-6310 APU. When we built our house, I ran a speaker wire to the patio with the intent of putting one I can set an output balance on a mix, but that’s not exactly what I want. 5mm Mono Plug, Switchcraft 319. If you need more than simple summing, then you need the X. 00 Add to cart DISO-R and DISO-HR - Rackmount Dual Line Isolator SM2+2 - Rackmount Stereo Direct Box & Stereo Line Isolator Specific operation guide is as follows: Step 1: Open the stereo to mono converter – Audacity. This is done by simply pressing the same button that is shown above. That unit will do the required buffering for you. (Guideline for which audio assets should be mono/stereo at the end of this blog) Mono & Stereo. Call 800-472-6274 for expert advice. . Radial Engineering ProAV2 Passive DI for AV, 2-Channels with RCA, 1/8" and XLR Outputs. Its active design features isolated inputs, a 15dB pad switch, ground lift switch, low cut switch, and polarity switch. This process is often referred to as ITB or In-The-Box as all of the work is done inside your computer. Works. Connect stereo line level to one of the inputs. The Poly Gatejack in the I/O Panel is patched to a Poly To Mono module to separate the gate signals for each of the four active voices. 00 Or $67. I hope this helps. | Terminated with . 8 out of 5 stars 10 £3. When mixing mono and stereo inputs the mono inputs appear on the L-left channel of the stereo output. I've been thinking of a camping "one box, mono system". Stereo to mono summing box, Redoux: Parts being obtained Yes folks, I have begun the purchasing of the parts I need. Summing Devices. This allows a practical reduction at -3 dB increments. Both outputs plugged in, it'll remain in stereo. In the Track panning dialog box there is a "knob" for setting the track panning to either Mono, Stereo or some state of collapsed or enhanced pan mode. stereo Hypex NCore based power amps: Audio Newbie/Beginner Technical Forum: 9: Dec 4, 2020 Re: Stereo to mono summing cable by Hugh Robjohns » Fri Sep 08, 2017 6:36 pm The reality is that the market is extremely small, and to make this cable in a way that would be realistic for moderate production runs and be reliable enough and of a quality to warrant the SOS branding, it's actually quite involved. My take on the matter of stereo-mono patches are as follows: 1. ” The experience of the WAVE team is that a well-designed system—mono or stereo—must provide the same equal coverage. It'll cause leakage and distortion. As well as the other recommendations, there are Stereo-to-Mono speaker transformers. Mix a song in your DAW by digitally summing through outputs 1 and 2. In LUNA, a track can be mono or stereo, and you can pan tracks differently based on the track format. It sells on ebay for as little as $4. Then, patch DAW outputs 3-16 into your mixer's first 14 inputs. Left) output and send it to the Model II Power Stand Analog input. 8 Stereo/4 Mono Inputs Summed to 2 Outputs The Tube-Tech SSA 2B summing amplifier has 4 mono input (hard wired to CH1 and CH2) and 8 stereo inputs, which are summed to two outputs. Another option is to build your stereo presets so they'll survive being collapsed to mono, then use L+R SUM when you feed a mono PA. They are ideal for summing stereo signals for use in mono PA systems in churches, halls, arenas, stadiums, and other environments. Post subject: RCA Stereo summed to mono cable. This’ll sum stereo data to mono only in the low-frequency area defined in the low-frequency band settings. The PMBL-ACTIVE is a 2-channel stereo line level merge box that can be used to merge two stereo line signals into one stereo output. 5mm Mono Jack Adaptor, Gold Plated Like you said, " I know this is an older post", but try this: TPA3110 Bluetooth 4. The sum point in the signal chain is after the switcher and before the post-matrix gain. @Ben B, even though I don't know much about this stuff, I did know that. $199. logic pro submix no plugin ch strips except cla I already use an USB Audio Card, download the latest audio drivers, anything any forum has try and that didnt solve the problem! It is unthinkable that I can use stereo output in a laptop, specially when that was the main reasin I got it! My specs> Win 10 - 64bits. Before we get to Unity, let’s talk a little bit about the terms mono and stereo. Summing the bass to mono is not optimum for stereo music reproduction, unless you have a recording that already has had its bass summed into or mixed as mono. Custom 2U Rack 24 ch passive summing mixer with 4x multi insert send return balanced stereo 6 x stereo to 12 mono variable -15/-25dB gain switch A/B out control direct monitoring switch on input 1/2 24 channel studio mixer This It's a video guide How to make or build analog passive stereo to mono adapter box, Just Do It Yourself [DIY]. I would check with the factory. To convert Stereo to mono, a 10K resistor in the high side (+) of both left and right feeding a 10 K resistor high side (+) of an unbalanced mono audio feed will only drop the audio level by 6db. I have successfully made a stereo to mono summing box using 2 1k resistors. The DB1100 also features a Merge function, allowing a left/right stereo signal to be input through the In and Thru jacks, thus outputting a summed mono signal. The person who ordered them decided on a different resistor value and so we've got a couple in unique colors. 35mm 5. now record the whole track. 5mm Stereo Jack to 3. The X. if you unfold there's a preset called "mono". Virtually all bass signals from stereo signals appear in both channels anyway, so for like 99. Dual Mono In to Summed Mono Out Mini Box (much smaller profile, automatically sums two left and right mono inputs to a single mono output. SUMMING SECTION: 1) MONO 1-2, MONO 3-4 buttons: Changes stereo pairs 1-2 and 3-4 to two mono channels each. Thread starter 4pyros; Start date Jan 18, 2015; Status Not open for further replies. 35mm to mono RCA 6. Using minimal, completely passive circuitry, it sums 8 or 16 balanced line inputs down to a single set of stereo mic-level outputs. You CANNOT simply wire it directly to a single balanced input! This signal is a stereo signal to start with. 00 /month § with Radial USB-PRO DI for Laptops with Level Control / Mono Summing / Headphone Out The Radial USB-Pro is a high-resolution stereo direct box designed to convert sound files from a laptop computer and seamlessly transfer them to a pair of balanced audio outputs to feed a PA, recording or broadcast mixing console. Checking in mono tells us the truth. Featuring balanced combo XLR/TRS input jacks and XLR outputs, RCA & 3. Sum. 8224 MHz sampling rate digital) and not produced like The Beatles mono box¬—put up the tapes, cut lacquers all-analog— you’ve probably not carefully considered the differences between the two catalogs. The mixer is shown with two inputs, but you can add as many as you want by just duplicating the “input sections” which are clearly visible on the schematic. Figure 2 shows a network for combining a stereo input to a mono output. The AMP-STCOMB is a small and passive device to be used where space is limited. It has 14 inputs with 4 stereo inputs, 4 mono pan-able inputs and 2 'Aux' inputs with a pan switch. 1MKII could be used as a summing box too. Jun 21, 2019 #17 I built a summing box to drive a sub from a stereo ouput. Col. The Alchemist runs from an external 9-18V power supply and has an LED indicator light on the side to let you know when it’s on. The receiver offers a practical, straightforward audio solution for venues that require a quick wireless set up. These are typically used when you want a single speaker in the bathroom ceiling, but want both channels of stereo playing through the same single speaker - KEF CITR-SM Stereo to Mono Transformer (Single) : KEF The Manacor works at Line Level on the input. The Fat Bustard mk II is an all valve passive input summing mixer. This list is for a mono-to-mono summing box. No more bit loss! At the push of a button, you can select from five input sources: analog stereo, the onboard analog summing mixer, USB, AES/SPDIF and brand new for the D-BOX+, a wireless Bluetooth stream from any Bluetooth-enabled device. If you are working in Mono, Balanced or Stereo and are Inserting, Summing, Splitting or duplicating we have the answers in this section. mathematically, Right - (-Left) = Right + Left. 5mm TRS to 1/4" TS ). The SUM100 Summing Amplifier is an inexpensive, high performance amplifier that is designed as a line level stereo to mono summing amplifier. Coupling/converting stereo audio signals to mono signals. 2. Thats it. The summing buss is a 30-channel mixer utilizing copper buss bars and esoteric resistors, for simply the finest sounding passive summing. It shows me a diagram on how to make a summing box or cable using some resistors. If your mixer has 0dbu audio output or better, you should have enough audio to modulate the transmitter. It helps to push the sound further out to the left and right channels to produce a better balance. com) offers Sumthang, a tube-based 8-input stereo summing box that features custom-wound, nickel-core, transformer-balanced inputs and outputs; dual Sifam VU output meters; a stereo output volume control (or optional stepped attenuator); and the ability to cascade multiple units to handle additional input channels. Re: Stage 3: Stereo to Mono summing question. I was told that if I use both 1/4 inputs into the DI box, I will get a true summed mono signal. How It Works. Turns the input & thru jacks into a passive mixer to sum stereo signals to mono. e. Summing – Hold the foot switch on RMT for more than 2 seconds to switch the sum state to stereo or dual mono. mono 6. One classic application: routing two mixing desks to one PA system. I have NEVER heard "phase and gain problems that can arise from hard-summing a stereo mix to mono. Turek July 26, 2010, 12:04pm #1. Run the analog outputs from your converters to the inputs of your summing box. Thanks to a selectable stereo-to-mono summing function, it adapts up to two high-impedance, instrument-level 1/4" TS inputs to one low-impedance, mic-level XLR output. 00. Master Mute – To mute or un-mute your signal on The TX Underfacer using RMT, tap the foot switch. Luckily, passive summing is a pretty simple concept and one that's very wallet- and DIY-friendly to achieve. 00 /month § with Its active design features isolated inputs, a 15dB pad switch, ground lift switch, low cut switch, and polarity switch. The AMP-STCOMB is a single-cable solution meant for combining two-channel stereo audio into a mono audio signal. 5 / 3. Phantom Powered – No batteries or adapters needed; Merge switch (Stereo-to-Mono Summing) The Extron ASA 100 Series of Audio Summing Adapters are convenient, single-cable solutions for combining two-channel stereo audio into a mono audio signal. Low-cut and High-cut parameters allow control over the region of influence. **PRICED TO LIQUIDATE**Price is firmDescription:10 stereo channels to a 2 stereo sum. Another way that would be a little bit of a DIY project would be to make up a mono summing cable. Outputs can be kept separate on two 1/4″ balanced TRS jacks for stereo operation, or via a single XLR output for a mono-summed output. . This allows one channel to be freed up for other important inputs. for a start i ve minimal cheapo equipments but some vintage unused at the corner with dust. In addition to the interaction between the two elements, each may be used separately. 95% of all programming out there summing the left and right outputs isn’t going to get you anything that you would not get with just one of them. The circuit can mix as many or as few channels as you like and consume very little power. The real beauty here is the neatness of this compact pedal format. My other question is if there is an easy way to check a stereo channel or mix and sum it to mono and back to First, patch DAW outputs 1 and 2 into the monitoring matrix input A. I've found this little box, the Monacor SMC-1. net/documentation/#stm. Hi everybody. e. The only practical way to end up at mono from stereo is a simple sum, which from what I read, can be done as a DSP effect live in dBPoweramp (so you don't have to make mono versions of all your tunes). The Chromecast outputs minijack stereo, is there a cheap (sub $50) way to get a R+L signal to the mono input, or Crane Song Egret | 8 Channel D/A Converter and Summing Mixer. in audio effects folder of the browser there's a plug-in called "utility". Most music recordings have been released with stereo bass since 1982. Frequency response extends from below audio range to well above. As the Amp Camp Amp is a power amp, I need a Passive Volume Control also. Finally RCA cable to input first; there are stereo cartridges which are summed to mono, and then there are 'ground up' mono cartridges that have the mechanical advantages of the simpler approach both types are typically set up for the 4 cartridge pins. 5mm) stereo TRS plug for connecting to your iPhone, iPod, iPad, Android tablet or phone, computer sound card, headphone output, etc. Stereo Rigs The Matthew’s Effects’ The Alchemist pedal allows you to split your mono guitar signal or sum your stereo signal to mono. Get a low price and free shipping on thousands of The output and all inputs are stereo, suitable for TRS Jacks (6. Especially if you are doing your mixes with only one speaker or with a system that is in mono mode. A passive device, the DI 10P does not require any form of external power to complete its mission. Your mono signal should mix with left stereo and right stereo using resistors for simplicity: - L music \$\rightarrow\boxed{\text{ 1 kΩ }}\rightarrow\$ [L output] \$\leftarrow\boxed{\text{ 1 to 10 kΩ }}\leftarrow\$ Mono signal Simple easy and cheap are different things. Fully Discrete Dual Stereo Balanced. i m about to try otb summing as i ve been reading all the post here for months. B. Dear god people, get some perspective. 35mm 2. 2k for the resistors. I was reading up on the Steve Hoffman forums about listening to mono vinyl through a stereo cartridge. Input: 16 in by 2xDB25/DSUB Tascam Balanced; Output: 2 x TRS Balanced L/R 4xStereo to Mono on desired stereo input(s) = 8 mono read more Build time: 4-6 business/working weekdays (estimated) Variants: DB25 In / TRS Out Since this for casual listening, just use one of the TV’s RCA outputs to the sub. Do not use a straight stereo to mono cable, you could mess up your Spark because of the load on the amp . 5mm to Mono 1/4" Jack - Stereo to Mono Cable - SWAMP Industries - Stereo to mono summing cable, that will combine the left and right audio from a 3. The DB1100 also features a Merge function, allowing a left/right stereo signal to be input through the In and Thru jacks, thus outputting a summed mono signal. Buy a cable here: http://micmodkits. Output TX features two types of summing: Stereo Sum and Split Sum. 16 channels of passive, analog summing in one tiny box. He personally advises that in the absence of an actual mono cartridge, that you should use a summing cable to combine the two channels together if you don't have a mono button in the preamp. Some amps and speakers can mix dual stereo inputs, but it doesn't sound great. > stereo OTOH, Strymon DIG and all Timeline models except dTape and dBucket are true full stereo. We recommend plugins such as the Stereo Spreader in Logic, this converts a mono channel to stereo. Basic setup: quick hook up connect summing mixer. I use a focusrite 2i2 for example. I want to sum the preouts of my amplifier from Stereo to Mono. Following Lotus 7's schematic, I've drawn out the wire with resistors (using slightly different res www. Shortening plug, XLR connector: . The box itself has no influence on the sonic quality of your mix, that is the job of whatever mic pre-amp you use. If the sound you hear using just the right output doesn’t appeal to you, try to find the stereo piano sound that works best in mono. I am sure the Op didn't want a course in electronics just so he could use his keyboard in mono. Everything was panned hard, and if you only chose one channel, you'd lose half the instruments. The Dangerous 2-Bus 16x2 summing device restores the passion to a lifeless mix. Mixing stereo to mono. Unless specifically mixed to work that way its going to be different than hearing the piece in stereo. So your pedal board is stereo, and you normally use it in stereo – but at a certain gig, you have to play it mono, since there is only one amp / one mixer channel available. Part of that internal speaker area will be displaced by a 12v UB1250 battery. The JBL M-Patch 2 Passive Stereo Controller and Switch Box is a compact desktop/rack-mountable sized passive volume attenuator and patch control device. This is the critical part of the system as I need to "merge" the Stereo signal into Mono. 1 US ea) and put one in series with each "hot" and tie the other end together into the plug of your choice. Posted: Wed Oct 04, 2017 3:19 am . Render it all in stereo and your mono sound system, powered speaker, keyboard amp, or PA will take care of summing to mono. CUSTOM MOGAMI & NEUTRIK GOLD CABLING INCLUDED | CALL (323) 319-5936 8 Channels of high quality D/A converters. The MIX2:1 is a simple yet highly useful mixer that passively sums two audio channels down to one. The AA-YSUM features a 3' (1 m) cable with two Male RCA connectors, summed together via internal resistor network into a single three position Phoenix/Euro Style connector that will match input and output impedance of most audio equipment. Great for any device or instrument, especially keyboards. It's something you'd have to try. 8130 25. The unit has enough amplification to boost even semi-professional levels accordingly. You can get some problems here: I was looking for a similar solution when combining stereo to mono RCA. Through the patchbay I have the summing output of the DBox going into a custom made balanced stereo to balanced mono box so the left and right mono output feeds channel 47 and 48 of the RED48 the mono signal. 6" Rack Spaces Front: (2) 12 RU bays (1) 6 RU on front of the lower section Buy your On-Stage DB1100 Active Direct Box with Stereo-to-Mono Summing from Sam Ash and receive the guaranteed lowest price. gearslutz. Click “File” and then click “Open” on the drop-down menu to import Step 2: Click the drop-down menu on the left side of the tracks (see the picture). Obviously, I don't want to have to keep swapping cables on my board, reprogramming presets, or spending money on additional summing boxes just to change between mono and stereo. Because they are small and passive devices, these Audio Summing Live I use a two amp/ stereo set-up, it sounds great! For recording and sometimes for practice I need to only use one amp or come out mono. A stereo/mono switch is located near the ¼ inch outputs and actuates a summing network to allow both 1/4 inch L and R signals to be summed to an amp or full range speaker while keeping the XLR outputs in stereo. On Stage DB1100 Active Direct Box Features . It is a very simple circuit using some 27K ohm resistors, 25K ohm pot, a hammond box, three rca jacks and some wire. It can also be used to combine the two channels of a stereo signal into a single mono-output. A mono signal would be either a true mono signal (single channel of info) or only 1 of the 2 stereo channels fed to both speakers. 2x mono RCA to mono 6. I am new to the forum but have been following this with interest since January 2K11. Plug it halfway in and you get the right side only. It's still stereo, and you still have to convert to mono for the subwoofer, but the Bluetooth is built in to this amp. Stereo program bus with master fader, insert, and external input. What you need is a Stereo to Mono Summing Cable with Resistors ( 3. 01% OFF Re: Building a stereo/mono switch box « Reply #8 on: June 25, 2016, 10:04:43 AM » According to the manual of the PM5004, hitting the T. 8x2 Line mixer with direct outs and mono cue/aux send and stereo return. It can be used as a summing box that can take up to 3 mono-signals and combine them into a single mono-output. Oscilloscope. 4Gb RAM. Outputs include three stereo speaker ports, and these can be programmed to be mono and/or to include a subwoofer. IMPORTANT! If the SSA2B mono inputs are left open, the L R channel separation is less than specified (narrow stereo image). This unit converts a L/R audio signal and provides two identical mono outputs. Pan all channels into stereo pairs except for the last two (13 and 14). my mono cartridge is the Miyajima Premium Be mono (approx $1300) . 5mm One Ring Male Jack Plug to 2 x RCA Phono Female Connection (5 Pack) 3. Bass goes into the 2i2 in mono and comes out of both sides in my headphones. However, I understand that neither the Timeline, Mobius or Big Sky will sum to mono when a stereo input is present. There are two internal switches, one for the mono fold down to be routed to either L & R or the center speaker and one which allows the LFE signal to be included in the stereo fold down so the SR7. A true summing amplifier designed to be a back-end for a DAW mixer is a fixed gain, fixed pan device because, again, those functions have already been handled by the software mixer. This will effectively reduce the impedance of the outputs by one half. It functions as an audio bridge between computer recording and analog outboard gear, thus allowing the best of both worlds to converge. 35mm) but the mixer can also be used in mono-mode simply by pluging mono-jacks in the inputs & the output. Figure 2 shows a network for combining a stereo input to a mono output. I've listened to some converted files and they do seem to sound good. Comb filtering — Summing two identical audio signals with one slightly delayed, makes the sound hollow, thin and glassy. Features: 16 insert paths; 2U rack format; The capabilities of channels to be switched to mono. Step 3: At last, The circuit is a standard combiner/splitter arrangement using 680 ohm resistors, giving two identical mono outputs from one stereo input. ST-PA18 18 W Mono Audio Amplifier - 8 Ω ST-PA2 2 W Mono Audio Amplifier - 8 Ω ST-PA6 6 W Mono Audio Amplifier - 8 Ω ST-PBR4 STICK-ON Mounting Bracket ST-PD5U Power Distributor - Switching - (PS-24AS/KS/V2A) ST-PH1 Stereo Phono Preamplifier ST-RG1 Ramp Generator - 0 to 10 Vdc Output ST-RRB1 Rear rack rail mounting kit for any STICK-ON module 32-channel Summing Amp with Eight Mono Inputs, 24 Stereo Inputs, Summing Amp Gain Boost, and Switchable Output Transformer $ 2,399 . (Which is why I was asking Tommy at the beginning of this thread to let us hear whats happening with his summing box in mono). com Stereo-to-Mono Summing. 32-channel Summing Amp with Eight Mono Inputs, 24 Stereo Inputs, Summing Amp Gain Boost, and Switchable Output Transformer $ 2,399 . It is ideal for summing stereo signals for use in mono PA systems in churches, halls, arenas, stadiums, and other environments where stereo signals would result in cancellation. stereo to mono), simply make sure that both crosspoints are enabled. Some specifications for this on the internet seem to be based on the assumption the circuit is to be used to feed output from a stereo souce into If you are on the market for a summing box, try this item with switchable insert points and direct outputs for channels. … Using mono cables shorts the ring to the sleeve and the box acts as a normal unbalanced system; while using stereo cables takes full advantage of the floating benefits. The cheapest way is to get 2 1K (give or take the value at bit) resistors (should cost about $0. If you have a stereo source (and do not require the features of a mixer) then you can consider a summing device. 1: Mono Kick; 2: Mono Bass; 3/4: Snare, hats some percs > stereo; 5/6: Percs\toms\synth blips etc. In the Post-switcher Gain dialog box, select the Enable Mono Summing check box to enable stereo-to-mono summing. From memory, on a 6. 2x RCA Stereo Converter to 3. Summing a stereo source, whether it is balanced or unbalanced is not simply twisting a couple of wires together. Unlike some of the other summing amplifiers on this list, the Fat Bustard MkII has a dedicated harmonic distortion control. I have not tested it a lot but initial testing shows a very small, if any, loss of signal. STM – stereo to mono function For example you may want to keep the Kick and the Bass in the middle of your mix, you would then flip the switch to UP ST1 to 1/2 for mono conversion STM function converts signals meant to be in the middle of the stereo spectrum, converts the Stereo input L/R (two hard panned L/R Input) signals to absolute center placed real analog mono signal. It's slated for replacement someday, but for now I just want to hookup a cheap streamer (Chromecast audio). com I think it's okay to simply pan everything to the center, do your mixing and volume levels, etc. , to test your mix for mono compatibility. Designed for Neve and Avalon preamps this Passive summing box is a 16 channel analog summing mixer with four Matrix group send as 4x8 = 32/ 16 stereo channels, stereo to mono input conversion, (It is OK to short INPUTS together, so if you have a mono source you can directly connect it to both inputs on a stereo amplifier. Summing Stereo to Mono: Monacor SMC-1 Stereo To Mono Signal Converter. Stereo-to-Mono Summing Box. Usually recordings that there was a demand for, bop, blues and some r&b(1940's). To save using two channels on your mixer you could use the ALT output to drive the system and in the IO set up menu for the ALT output select L+R (mono sum). This enables you to easily sum the stereo outputs of a console, recording interface, or portable playback device down to mono. It is also useful as a gain block, and as an impedance converter and summing for IHF (RCA type) signals. . 5 mm Stereo Jack to 1/4 Inch Mono Plug, Switchcraft 318 AudioStix 1/8 Inch Stereo Jack to Balanced Mono 3-Pin Male XLR, Connectronics 3. Close the enclosure up and you should now have a working switchable stereo-to-mono channel summing box. More like wavey delay. Or, with some amps, one can connect the R & L input signals TO the amp, together to achieve the same effect, assuming that at that point, both signals are "relative to ground", which can also be easily checked out InnerTUBE Audio (www. Our Price: $5,599. To top it all off, this unit can also function as a ground loop isolator. Stereo cue send/bus & headphone system. " Before I was fifteen years old I learned that even mixing line level stereo to mono, you have to put a resistor (1K or more) in series with each line level signal -- and I still call that "hard summing. The DB1100 Active Direct Box transforms any high-impedance source into a low-impedance Description. If you’re coming out of the jamman maybe there’s a little y cable that goes from two 1/4” mono jacks to a single stereo so you’re getting both sides. The Radial StageBug SB-5 accepts its input via an integrated 1/8″ stereo cable, so there are no extra cables required to connect your device to the box. Assume 110 V at the site. It also makes the box ambidextrous: It is now compatible with either unbalanced (mono, 1-wire) or balanced (stereo, 2-wire) 1/4" cables. This is easy way how to from stereo get mu DAC, or tape machine (aka, input) --> mono/stereo switch --> stepped attentuator --> mute switch --> powered speaker . I use an old DOD 260 DI box to convert the 1/4 stereo outputs of my stage mixer to a mono XLR output to send to the FOH. Sum Summing Mixer offers 16 stereo input channels with level, pan, mix assign and mono select - it's more than just a simple summing box. OWI AMP-STCOMB Stereo Combiner: Converts Stereo to Mono. AHB2 Mono v Stereo - what is audible? General Audio Discussions: 16: Today at 1:56 AM: N: FS: Hypex NC400 Monoblocks & Icepower 1200AS2 Stereo amplifiers: Audio Equipment For Sale or To Buy: 7: Feb 7, 2021: Question about mono vs. Stage Right by Monoprice Sound Block II Stereo Passive Direct Box with Ground Lift Sum Mono and Attenuator Product # 600122 $23. 12 System board . A mono track has a single pan knob, while a stereo track has two pan controls–one for the left track, and one for the right track. Stereo sound requires two speakers. Use the pan knobs to pan the tracks to the left or right of the stereo image. Personally, I have a boss RC30 after my flint which definitely sums to mono if needed. 6" Height; Knee-Clearance Height: 26. I am not wanting (at this moment anyway) to get drawn into the arguments about artistic intent, dedicated mono and stereo masters vs fold-downs, studio monitors. See full list on masteringbox. 49 £ 3 . RIAA Stereo with Summing Switch Mini Box (Left and right mono inputs can be summed to two mono outputs, or can be used with stereo cutter head as well with switch off). ) The downside to a passive mixer is that you have a voltage divider and the signal gets cut in half (assuming two signals, equal resistors, and equal output impedance). The 2-Bus LT features an active analog summing circuitry that was designed by the renowned Chris Muth. Reverb is a marketplace bringing together a wide-spanning community to buy, sell, and discuss all things music gear. Important : Simply using a Y-splitter in reverse will not work. The input and output are either a 1/4" TRS, or a mini 1/8" TRS jack. Active Direct Box with Stereo-to-Mono Summing The DB1100 Active Direct Box transforms any high-impedance source into a low-impedance (XLR) signal ready to be sent long distances to a mixing board or recording console. It both widens stereo signals and “stereoizes” mono signals. Is that true? Or am I losing anything by summing the outputs this way and should A beefy little summing box. On one end is a 1/8″ (3. Great for any device or instrument, especially keyboards. The best way to get your boards sounding great in mono is to use the "mono" button. That's it really, but be aware that as it uses fairly low value resistors, it cannot be connected across an existing stereo signal without reducing the stereo separation of that signal. 2) MIX level knob: 31-step detented Master Stereo bus level for accurate recall. 5mm headphone mini jack into a single mono signal. fraggler A Happy & Busy Life So my little boom box is up and running! While a mono cartridge will produce identical signals in both channels of a stereo system (a duplicated “mono signal”, if you will), simply summing the left and right channels of a stereo cartridge can actually produce comparable results (for more information, see the appendix at the end of this article). Stereo to mono summing circuit. Digital Audio Summing (ITB) When we talk about digital audio summing, we’re referring to the process that goes on in your DAW. I haven't a clue, but if you check my threads, you will see that I had a custom summing buffer made to mix the channels into mono for my single sub woofer. S2M, TPC, TTPC, PC and WSM coupling series. DAW inputs 3-24 are STEREO summed and distributed odd to left and even to right, while DAW inputs 25-32 are sent MONO to both channels of the summing network. “0” setting is unity gain. Summing to mono. 5mm input male jack to another 12. Like this. Optional 8- and 16-channel expander units run from a single external power supply. The early seventies saw the industry commit to "stereo" lacquer cutting, which resulted again a reissuing of older mono recordings. Great for any device or instrument, especially keyboards. I'm trying to build a stereo to mono summing cable. 35mm to mono 6. 99 shipping. coupler 4. stereo 6. Of course it's well over $100 and I'd think a simple two RCA into mono 1/4" adapter would work fine into whatever inexpensive DI you have. Don't mistakenly think a simple "Y-cable" will do the trick. For these types of projects, I have a template set up which has 2 tracks - one panned hard L, the other hard R. The AMP- STCOMB is ideal for summing stereo signals for use in mono PA systems. FAQ: Summing Amp SSA2B unused mono inputs. 75" Depth, 28. Features & Specs. Use stereo effects as normal. Plug your soldered TLS jack into one of the four outputs. Mono Sum. In the image below, the Poly To Mono module is used to create a polyphonic patch that has a different filter envelope for each voice. “Mono may be easier,” he says, “but it is not the way we listen to music and, with our process, stereo isn’t any more expensive. Unlike most converters, this unit utilizes an independent 1:1 ratio audio transformer for each channel, which aids in maintaining signal integrity. I use a Stereo to Mono Summing Cable from Castline. The input channels are galvanically isolated from one another. Drill out the 5 holes in the project enclosure and then mount them with the provided nuts and washers. Input Controls & Earth Lift Switch Click the Low Band and dial the Stereo Separation -knob to 100% merged. I would think just any decice that has a stereo headphone out. The DB1100 also features a Merge function, allowing a left/right stereo signal to be input through the In and Thru jacks, thus outputting a summed mono signal. The input and output are either a 1/4-inch TRS, or a mini 1/8-inch TRS jack 16 input DB25 Tascam - TRS out with 4 x Stereo to 8 x Mono. If it's 1/4 trs stereo out then it's not balanced and connecting it to a mono input you'll ground and lose one channel but you'll have a technically correct connection. stereo to mono summing box