Skip to content

Summing Mixer Setup – Documentation – Additional Options – Components

see diagrams and descriptions – select additional features – components

if you have any questions don’t hesitate to contact me

[email protected]


Table of contents

Summing Mixer – Standard Connections

Read more…

Input channels

Channel Count and Connection type  (select)

Read more…

Output channels

Channel Count and Connetor Type  (select)

Read more…

Master Active – Passive – switch

It gives a DUAL OPERATION (function) for your mixer – you can select between diverse transformer amps, giving a large playground for DIFFERENT SOUND COLOR CHARACTER of your mixes – see Youtube video…

Read more…

Input Channel (L/R)  – convert to Mono – switch

Hard Pan L/R input to CENTER SWITCH – for monos like Kick Bass Snare Vocal…

Mono switch = extra stable real analog mono base for your mix (eg. kick and bass) – then a superior separation, 3D depth for stereo instruments – like on large-format analog recording consoles


  • Save precious analog channels
  • True Analog Mono – center placed in the stereo pan field
  • 1 Mono = 1CH – instead to waste stereo – 2 analog L/R for a mono like Kick or Bass

1 x Switch or 2 x Switch

Read more…
summing mixer youtube video

Master Insert Send Return Switch

Allows to SEND master stereo L/R signal to external processors like EQ, Comp, Limiter, then RETURN to master out (print / record)

Read more…

Multi Master Insert Send Return chain

Multiple SEND/RETURN = Free Select  – exclude or include – INSERT or BYPASS (any one) whichever external gear in the chain see youtube…

Read more…

Auto TRS – Master Insert – Send – Return

Automatically switching audio channels to SEND out when the jack plug is inserted.

  • TRS JACK UNPLUGGED = NO SEND = Signal next to Master outputs
  • The INTERNAL AUTO INSERT SEND BYPASS switch is active ONLY AFTER you actually insert a plug into the SEND  TRS socket! 
Read more…


Master Out – ON/OFF – (MUTE) – switches

Read more…

Out – A or B – (SELECT) – switch

Select exclusively A/B output 

Master Stereo to Mono switch

Mix – Mono Compatibility Test switch

Read more…

Phase Invert switch

Phase Invert R side of the stereo signal

Read more…

Built In - Inside - Integrated Monitor Control - controller

Direct Monitoring – Inut to Output – Monitor Through Summing Mixer Switch (1xSwitch)

Input 1/2 route to master out / rest summing inputs remains active (mute them from DAW)

Read more…

Direct Monitoring Switch + Bypass Summing Switch (2xSwithes)

Input 1/2 route to master out + Bypass – Mute rest summing inputs (input can be selected freely)

Read more…

Expansion AUX input

Linking another (second slave) Passive or Active summing unit or Line Input

Read more…

Channel Insert Send Return

Stereo Input channel insert send return

Read more…

Multibus Group Send with fixed inputs

Sub Group summing for MultiBus Compression technique

Read more…

Multi-bus compression routing Matrix

ABCD BUS matrix swtich for MULTI BUSS  compression / external routing process. 

Read more…

Gold Plated – Precision gain control

21 step precision resistor based internal amp gain control potentiometer

Read more…

Variable Headroom Gain Switch

Placed after passive SUM BUS (passive mixer) determines main out (total) gain reduction – for different (pre amps) applications – gain stage – volume range.

Read more…

Knob Style and Color (please select)

Read more…

External Power Supply 

  • *out of Europe you need a cheap EU to US/UK/AU ac travel plug adaptor

Read more…
transformer sound studio mix diy pro summing mixer
transformer sound studio mix diy pro summing mixer

Pan Pot 

Read more…
pan pot