boredbrain/monitr

Monitr

Boredbrain Music

A comprehensive stereo audio output monitoring utility for Eurorack with a 2-channel stereo VCA mixer, master volume with VU meters, headphone amplifier with cue source selection, a system mute switch, and balanced pro line-level outputs.1119

Capabilities 3

Headphone Outputheadphone-output
1119
Mixermixer
Two stereo input channels are mixed into a single master stereo output with manual level controls and master volume.1119
Voltage-Controlled Amplifiervca
Two independent stereo VCA circuits with CV inputs allow voltage-controlled mixing of two stereo audio channels.1119

Jacks 9 (6 in / 3 out)

NameSignalVoltageDescription
Inputs (6)
IN1 LaudioLeft audio input for channel 1; AC-coupled for audio signals.1119
IN1 RaudioRight audio input for channel 1; AC-coupled, normalled to IN1 L when unpatched.1119
IN2 LaudioLeft audio input for channel 2; AC-coupled for audio signals.1119
IN2 RaudioRight audio input for channel 2; AC-coupled, normalled to IN2 L when unpatched.1119
VCA1cvCV input for channel 1 VCA level control.1119
VCA2cvCV input for channel 2 VCA level control.1119
Outputs (3)
OUT LaudioBalanced pro line-level left master output at +4 dBu.1119
OUT RaudioBalanced pro line-level right master output at +4 dBu.1119
PHONESaudioStereo headphone output driven by the module's headphone amplifier circuit.1119

Parameters 4

NameTypeRangeBehavior
CHAN 1knobManually adjusts the audio level for channel 1's stereo VCA circuit.1119
CHAN 2knobManually adjusts the audio level for channel 2's stereo VCA circuit.1119
LEVELknobAdjusts the output volume of the headphone amplifier for headphones connected to the PHONES jack, supporting impedances from 32 to 600 ohms.1119
VOLUMEknobVariable attenuator controlling the master stereo output level; can boost the signal up to +6 dB above unity gain.1119

Firmware history 0 versions

No firmware history recorded.

References 1

  1. [1119]
    Boredbrain Monitr User Guidemanual
    verified 2026-06-03