behringer/cm1a

CM1A

Behringer

MIDI to CV Converter Module for Eurorack. Converts MIDI note/CC signals received via USB or 5-pin DIN to CV and trigger outputs. Supports monophonic and duophonic operation with selectable CV ranges for different Behringer synth families.765

Capabilities 1

MIDI to CVmidi-to-cv
Converts MIDI note data received via USB or 5-pin DIN MIDI IN to CV (1V/octave) and trigger outputs. Supports V-Trig and S-Trig modes, monophonic and duophonic operation, and multiple CV ranges for Behringer System 15/35/55 and System 100/2500 series synths.765

Jacks 5 — 2 in / 3 out

NameSignalVoltageDescription
Inputs (2)
MIDI INmixed—Connect a MIDI controller to transmit signals to the CV and Trig outputs.765
USBmixed—Connect to a computer to transmit MIDI control signals to the CV and Trig outputs. Also used for firmware updates.765
Outputs (3)
CVcv-6.3V to 10VSend control voltages received via USB or MIDI to other modules. 2x 3.5mm TS jack, DC coupled. In System 100/2500 mode: -1V to +9V, 1V/octave. In System 15/35/55 mode: -5.3V to +4.7V, 1V/octave.765
MIDI THRUmixed—Passes signals received at the MIDI In jack through to other devices.765
TRIGtrigger≤5VSend trigger signals received via USB or MIDI to other modules. 2x 3.5mm TS jack, DC coupled. Can operate as V-Trig (+5V), S-Trig (pull down to 0V), or both (upper=S-Trig, lower=V-Trig).765

Parameters 2

NameTypeRangeBehavior
Mode Select Buttonbutton—Rear panel button. Quick press switches CV range between System 15/35/55 and System 100/2500 series. Press and hold switches between monophonic and duophonic operation. Two LEDs indicate current mode.765
TRIG MODEswitch—Selects whether the Trig outputs function as V-Trig or S-Trig. In the middle position, upper output is S-Trig and lower output is V-Trig.765

Firmware history 0 versions

No firmware history recorded.

References 1

  1. [765]
    Behringer CM1A Quick Start Guide (official QSG PDF via mirror)manual
    source 765 canonical ↗ archived ↗
    ● verified 2026-05-22