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8 Input Ch Analog Summing Mixer for UAD Apollo x6 – 6x – Desktop Box

5.00 out of 5 based on 3 customer ratings
(3 customer reviews )


8 in – 4 out (MainRec / Monitor outputs)

Maximize the full potential of your UAD Apollo Unison Preamps with a Real Analog Summing Mixer. Route your mix audio tracks to the Summing Mixer, and then record back the final analog mix using the legendary Helios, Neve 1073, Manley, Century Tube, Avalon, Luna API, SSL, UA610 and Avalon Preamp emulations to get the Real Analog-Console 3D wide sound character

Please Select All Options!

Upgrade your DAW Interface’s Sound Card with an Analog Summing Mixer and get the warm analog-console-like sound. Stereo Balanced studio grade high quality warm signal path.

Build time: 10 Working Weekdays after cleared payment

  • Input: 8 ch TRS 1/4″ Balanced
  • Output:  2xStereo / 4 x TRS Balanced L/R Main/Monitor (common)
  • 1 x Stereo to 2 Mono on 1/2 stereo input read more…
  • 7/8 OUT SWITCH: signal straight to Master Outputs – Direct Monitoring – Inut to Output – Monitor switch
  • **You don’t have to unplug In “everyday” work UAD monitor out routed directly to the summing mixer (pre production, programming, editing etc)unstead switch 7/8 to out OUT mode and you have the stright Input to Output routing.
  • 7/8 DOWN = Regular summing mixer mode
  • 7/8 UP (OUT) = 7/8 inputs Straight to Master outputs
  • *Summing 1-6 inputs are still active (mute from daw)
  • *Equivalent signal on both stereo outputs
  • **If you need exclusive (1-6 mute / 7/8 active) monitoring please ask for the Total Bypass feature…
  • Unique Name engrave (let me know)
  • see signal routing diagram for Universal Audio Apollo x8 with passive summing mixer
  • STM = Stereo to Mono: read Documentation or see on Youtube

DIR (direct) Input to Output or Input to Mixer switch: Direct Monitoring – Input to Output – Monitor switch. You don’t have to unplug your interface monitor in everyday work; you can keep it connected at all times to the summing mixer.
Down Position: corresponds to the regular summing mixer input (analog mixing)
Up Position: directs the signal straight to the Master Outputs without any reduction in signal volume, as it is sent to the input.

STM – Stereo to Mono Switch: It provides an extra stable Real Analog Mono Base for your mix (on monos like Kick/Bass/MainVox/Snare and so on), saving precious digital-to-analog (DA) channels (so you don’t waste stereo L/R for a mono instrument), and offers superior separation and 3D depth for the rest of your stereo instruments. This feature turns L/R inputs ‘COMBINED’ (two hard-panned L/R inputs) into an absolutely centered mono signal (1 x stereo to 2 mono). For example, ‘SNARE’ on channel 1 (left), ‘KICK’ on channel 2 (right). Mono instruments in the DAW sequencer (Steinberg cubase, pro tools, flstudio, reaper, logic pro, Ableton etc.) should place the kick hard left, the bass hard on the right, and so on. Stereo instruments: If you don’t use mono channels in your mix, simply turn down all the mono switches, and you’ll have a fully stereo analog summing mixer with panning options available from the DAW.

Do not find your summing mixer? Tell me your DAW Interface Type – Ask to build Yours!

Passive Summing Box for UAD Apollo X6 – 8P Focusrite, Motu, M-Audio, Presonus, Behringer, Roland, Tascam, RME, SSL, Apogee, Arturia MiniFuse or other (let me know) LittleOne Wide 8×4 TRS/TRS summing mixer designed for UAD Apollo x6 6x (-20dB) Unison Preamps as well as Motu, Focusrite, Presonus, Prism, Roland, Tascam US, RME Firewire, and USB Antelope Orion interfaces. Feel free to request your summing for different interface type, more inputs/outputs, or connectors like DSUB or XLR!


UAD Apollo, Apogee, Arturia, Behringer, Focusrite, M-Audio, Motu, PreSonus, Prism, RME, Roland, SSL, Steinberg, Tascam, OTHER let me know





3 reviews for 8 Input Ch Analog Summing Mixer for UAD Apollo x6 – 6x – Desktop Box

5.00 out of 5 stars

  1. Reviewer profile image
    5 out of 5


    This analog mixer setup has greatly improved my mixes

    I bought a Little One TRS and tested it over the past few days. I'm really happy with the results on my drum mixes. I'm using it with Harrison Mixbus, BLA modified MOTU interfaces, and a BLA Auteur Preamp, and this setup has greatly improved my mixes. I'm a satisfied customer of Vintagemaker Paul and will definitely order a powered transformer based summing mixer from him in the future!

  2. Reviewer profile image
    5 out of 5


    I’m extremely happy with my passive analog summing, which I call ‘littleBustard’

    I have heard many times that analog mixing is not worth it anymore, as a plugin can do the same job. Well, the truth is that those people are mistaken because they don’t know the essence of it…

    so I don’t want to argue – everyone decides what’s best for them 🙂 However, one thing to consider is that (ITB) digital summing equals mathematical summing, which results in distortion above 0dB.

    Analog summing allows for going above 0dB thanks to headroom, providing a safe zone for your transients without risking clipping. Here’s where the magic happens: higher signals on the summing inputs create gentle analog distortion, which generates some really nice harmonics above 0dB. It’s impossible to achieve this in the box (ITB).
    So, it’s nothing special – just simple physics. 🙂

    PS. I’m extremely happy with my passive analog summing, which I call ‘littleBustard’ thanks Paul!

  3. Reviewer profile image
    5 out of 5

    Belovsky Jr.

    Why Analog Mixing Still Matters: The Unmatched Quality of Analog Summing Over Plugins

    I've often heard people say that analog mixing isn't worth it anymore and that plugins can do the same job. They're mistaken because they don't understand the essence of analog mixing.

    I don't want to argue—everyone decides what's best for them 🙂 But here's something to consider: digital (ITB) summing is just mathematical summing, which can cause distortion above 0dB.

    Analog summing, on the other hand, allows you to go above 0dB without clipping due to headroom. This creates gentle analog distortion and nice harmonics above 0dB, which you can't achieve in the box (ITB). It's just simple physics. 🙂

    PS. I'm extremely happy with my passive analog summing mixer, which I call 'littleBustard'. Thanks, Paul!

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