Legendary  Neumann - Lawo - Filtek transformer summing amplifiers in new skin!
When mixing on a computer, many prefer to sum the tracks in the analog domain, which can result in more depth of field and a wider, more defined stereo image. The people who prefer analog summing, most would not use the word "clarity" to characterize what's better about it. I hear phrases like "more depth and separation," or "more rounded/warm low end," etc. It's really a personal preference thing, and probably driven to some extent by what you are used to hearing when you work.
The analog domain offers a number of great advantages compared to the simple "bounce-function" within your DAW.  While a digital system rounds off all values for level, pan, eq-ing and compression, analog technique operates with an infinitely high resolution, causing no rounding errors or digital distortions.
A sound engineer described as follows: the digital mixing is a mathematical summing, like 1+1=2 (exact 2). Mix in analog domain :1+1=2,05 (because summed as sinusoidal voltages) + adding beneficial effects of harmonic distortion and transformers result the pleasant harmonics, rounds, transparency and more spatial depth. Of course, in analog, every system sounds different - in some cases significantly different.

How to mix in analog - 3 important steps...read more

1. HEADROOM - always perform in the Passive summing network.
"Gain staging is like pulling the focus of a camera lens" You can achieve this by entering in the summing unit by higher hot levels" (from your DAW interface or synth, drum machine etc.) Need to find/hit the right high/hot gain for all your instruments/tracks sent to summing INPUTS -  hit the "gentle harmonics distortion" point, where the subtle distortion starts gently and it's about right. It basically impossible to do that  ITB [In-The-Box] over 0dB starts to distort during gain staging, simply the digital bounce not allow to send hot (high gain)
2. SEPARATION - Panorama - always perform in the Passive summing network.
Find for all your instruments the right places in to the stereo field, the right locations where they sit better in to the whole mix. Don't forget - your instruments are mixed in the analog domain as sinusoidal voltages!
3. MAKEUP GAIN - Gain staging - Drive the amp!
Make up gain "crank it up" - make up gain by your mic pres or internal summing amp, and hit the sweet spot of master mix, then print/record.
It's important to find the sweet-spot when the level and subtle distortion is just about right, depending on the song and production. ITB has no sweet-spot and there's really no reward running the levels a bit too hot, on the contrary is even makes the mix sound worse.

US customer review

"I was used to mixing in the box, and I knew my way around it. You always need to make more room. I realized I wasn’t doing that anymore, and was not needing many of the tricks I used to do to get closer to what I was hearing in my mind, so I wanted to learn how much headroom I got. I fed my converters with the hottest signal in the center of the panorama and started automating the faders around it. Soon enough, the magic happened: the summing box started purring like a happy big cat and I knew that was the sound I always struggled to reach, the famous and legendary “warmth and openness of analog” I so many times read about. "The analog sweetspot".



Active or Passive sum? Or All in One both (2in1) in one box? Benefits - Analog Mixing ...

Active Summing mixer - Inside xformer based amp like Neumann/Lawo/Filtek/Ne2Ox

Passive Summing Mixer - No inside amp, make up gain by Your external Micpre/DAW instrument/micpre

All In One - 2in1 - Active/Passive - Dual Mode - switch between Active/Passive mode

Benefits: Different amp = Different sound character

Mix in analog domain directly from your DAW without compromises!

      We make the best fitted gear for your studio - Large and Wide Configuration Flexibility!

  • Can select number of INPUT and  OUTPUT for Your studio needs
  • Can choose input type - TRS or DB25 Tascam Standard Analog balanced
  • Can select OUTPUT number eg, 2xStereo out L/R (MAIN/MONITOR) 3xStereo out or more
  • Can select OUTPUT TYPE as XLR or TRS balanced
  • Can add maser out control by rotary switch (out1/out2/out1+2)
  • Can add Stereo to Mono option, and select number and dedicated CH"s
  • Can add Insert/SEND/Return option on master signal by Bypass switch or Auto switch (TRS)
  • Can add Insert/SEND/Return option to CH's inputs by Bypass/Return switch
  • Can add Direct OUT Bypass switch option to input CH1 (1L/2R) ON stage=MAIN/MONITOR/ OFF stage=ANALOG SUM
  • Can select enclosure type 1U, 2U, 3U Standard Rack RAL Black
  • Can choose front panel design or You can make plans for Your faceplate, or tell me about Your ideas, concept
  • Can Select the Power LED colour: Blue, Yellow, Green, Red
  • Can engrave Your name or Your Studio / Project name on faceplate
  • Can realize Your unique design by your ideas /plans etc.

    Why VM summing ?

  • Over 1500 happy customers/producers/engineers since 2010' around the world!
  • Fully balanced and isolated solid state network & switching network from input to output.
  • Can be left "free" unconnected inputs 4-8-16 or more!
  • No unwanted noise due to custom-developed balanced summing network.
  • Absolutely repeatability from DAW: Vol, Pan, EQ, effects sends from DAW
  • Send as many as 8- 16-32-64 -96 CH's! (or more) tracks or submixes to Summing Mixer.
  • Can handle both balanced/unbalanced signal from synth like Moog, Nord, Yamaha etc.
  • Can handle large external instruments like samplers, tape machines, drummachines etc.
  • Can be fit to all brand of DAW interface like Digidesign 192, Avid HD I/O 16X16,Universal Audio, RME Fireface, Prism, Lynx Aurora, Apogee, Motu, Focusrite, Metric Halo, Steinberg MR816, and so on..
  • Can handle external signal processors eg. EQ, Compressor, Limiter, Multi Effects Processors like Massenburg, Drawmer S3, Lexicon, Alesis, Tube-Tech LCA2B, JoeMeek, FMR Audio RNC DBX, ART etc.
  • Can handle large number of external mic preamps like AMS Neve 1073,Aphex Channel, Great River, Avalon, Chandler Limited, Crane Song, SPL, Focusrite, Presonus, Midas, Summit Audio, ART Pro and so on...
               Recommended for everyone who wants to try and expand the existing setup with an analog vintage summing box...



Fully balanced Solid State Discrete summing network. The components are tested and selected. (Vishay Dale resistors) Good quality components result  the correct and low noise operation. The summing network PCB is own development, and absolutly hand made. The front/rear panel design based on unique idea. Order: Unique ideas, plans like: channel number, design(your name or studio name) connections (DB25, TRS etc.) please contact me, to make the most appropriate gear for your studio! (estimated build time 5-15 working days depend of project size)
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Take 2 Minutes To Read about Analog Mixing Basics......click here

Passive summing network = SEPARATION = "wide"  or 3D - deep effect come from summing network. The integrity of the stereo panorama is more defined, more separated, much more panorama positions. Best results panoroma positioning can make/set during analog SUMMING - mixing! There are no 0’s and 1’s but only voltages. These are complex sinusoidal voltages that include the harmonics and other elements. Many engineers consider this to add the “warm”, “in-depth” and nice separation sound you get from analog.  (Emerson R. Maningo)

Active summing by amplification = SEPARATION (from passive summing) + WARM HARMONICS - during transformer/or/discrete OPAMP based VCA MAKE UP GAIN. (Neumann amp: Haufe /Pikatron xformers, or external your MicPreamp or Amp gain make up)
All analogue summing boxes sound different and it's important to find the sweet-spot when the level and subtle distortion is just about right, depending on the song and production. ITB has no sweet-spot and there's really no reward running the levels a bit too hot, on the contrary is even makes the mix sound worse.
Gain staging is like pulling the focus of a camera lens  
ANALOG SUMMING give the possibility to make the best sounding of Your music, by mixing and listening in ANALOG, all your stems from your DAW or SYNTH, DRUM MACHINE, SAMPLER etc  as original complex sinusoidal voltages that include the harmonics and other elements (SEPARATION and WARM)   "listen in analog what u mix"-  find the right place of your stems, make panorama and gain modifications in analog...than make up gain - hit the the sweet-spot when the level and subtle distortion is just about right by internal legendary Neumann or Lawo summing amps or other  external amp like your mic preamp or DAW INTERFACE MIC PRE/INSTRUMENT input, moreower insert to master chain by Insert/Send/Return Bypass option an external EQ, Comp, Limiter or other outboard gear for signal processing purposes... More mixing will help make your mixes better. Remember, You are the X- factor -  the summing box is a useful tool, in skilled hands can make the "Magic".

***The more channels you mix analog, the bigger the difference.  Also the more you do to them in the analog domain, the bigger the difference. You then perform only the summing in the analog domain. This enables you to maintain absolute repeatability from within your DAW. With vintage summing amps (like NeumannV475, Lawo etc) the summing bus become  a solid state active mixer. (gearslutz)



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Vintage Maker Analogue Active Analog Passive Summing Mixer - Legendary Neumann v475 Lawo Filtek Siemens TAB Telefunken custom designed for your studio! Analog Summing Mixer Neumann v475 Filtek Lawo Vintage Maker passive summing mixer dj,box,neumann v475 Siemens telefunken tab filtek lawo ams neve api ssl audio amplifier.
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Based on customers feedback, Neumann, Lawo, Filtek amps are transparent and clean with really nice harmonics

btw - add an EQ for coloring / adding tone can massively redefine the tone of mix, and sounds really cool..:)

Read more about Filtek/Neumann/Lawo customer feedback / reviews.....

  • Lawo DV972 - All Style - Transparent - HAUFE in /PIKATRON out X-FORMERS (limited availability)
  • Lawo DV975 - All Style - Transparent - HAUFE/PIKATRON X-FORMERS
  • Filtek DV1175  - All Style - Transparent - HAUFE in/HAUFE out X-FORMERS
  • Neumann v475-2B  - All Style - Transparent - HAUFE in/HAUFE out X-FORMERS (limited availability)
  • Neumann v475-2C  - All Style - Transparent - HAUFE in/HAUFE out X-FORMERS (limited availability)
  • Neumann v475-2A  - Vintage Sound  - HAUFE in/HAUFE out X-FORMERS (limited availability)
           *excellent for acoustic, classical, jazz, blues, blues-rock, classic-rock, folk-rock, country, ballad, bluegrass etc.
  • NE2OX A2E / A7E  - Transformer based dual stereo summing amp with variable frequency mod Dark/Flat/Air

The (Neumann/Filtek/Lawo or Tab/Telefunken) dual junction amplifier contains two(2)STEREO (dual stereo)mutually independent  balanced audio frequency amplifiers designed for signal summation in high quality studio mixing desks. Special attention has been given in the design of the cards, to dependability and operational reliability, stability of the electrical parameters, good immunity to disturbance and crosstalk attenuation between the two (L/R) signal paths.

No A/B comparison tests due to following reasons:
Every studio setup is different, due to different mixing strategy, different point of view, style, sound and production, I can't reproduce Your studio environment,  your studio setup, your monitor type, sound, preamp, amp, gain adjustment, cable, and etc.





          
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