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Doepfer A-138o Performance Mixer Output - MeMe Antenna

Doepfer A-138o Performance Mixer Output

  • $50.00


The output module of the Performance Mixer system.

Modules A-138p/o are used to built a simple performance mixer (instead of an external stand-alone mixer).

Module A-138p is the 4-fold input module, A-138o is the output module that can be combined with one or more A-138p.

A-138p features:

  • 4 channels
  • controls and inputs for each channel
    • input (3.5 mm mono socket)
    • signal LED (as a coarse monitor of the incoming level, the level is measured after the gain control)
    • mute switch
    • gain (control to adapt different audio levels)
    • Level (the main volume control)
    • Aux
    • Pan
    • internal jumper for each channel to choose between Aux pre/post main Level control
  • internal connection to the output module and to other A-138p modules
  • A-138p requires A-138o (no stand-alone use)


A-138o features:

  • level controls for Left, Right and Aux
  • output sockets for Left, Right and Aux (3.5 mm mono sockets)
  • A-138o requires at least one A-138p (no stand-alone use)
  • Application example for Aux Send and Aux Return: looping in another module for effects (e.g. DSP module A-187-1, BBD module A-188-1, Spring Reverb A-199)
  • Application example for Aux Send only: pre-listening in combination with the headphone amplifier module A-139-2


The following document shows the positions and functions of the jumpers and trimming potentiometers of the module: A138p_3_trimming_potentiometers_and_jumpers.pdf

A-138p:
Width:16TE / 16HP / 80.9 mm
Depth: 40 mm (measured from the rear side of the front panel)
Current: 0 mA

A-138o:
Width:4TE / 4HP / 20.0 mm
Depth: 40 mm (measured from the rear side of the front panel)
Current: + 20 mA (+12V) / - 20 mA (-12V)