instruo-dha

Instruo dhà

Compact stereo two-channel mixer with built-in VCA

4 HP Eurorack module

The Instruo dhà is a 4HP stereo mixer utility module with two input channels summed to a stereo output bus. Channel 1 features a full stereo VCA with bipolar CV control, attenuverter, and LED indicator. Channel 2 provides a simple level-controlled stereo input. Both channels use audio-tapered potentiometers. Rear stereo I/O jacks allow expansion by chaining multiple dhà units or connecting to other Instruo stereo modules like càrn and cuïr. A rear normalling switch controls how the front panel outputs interact with the rear stereo output.

Features

  • Stereo two-channel mixer in 4HP
  • Channel 1 stereo two-quadrant VCA with bipolar CV input and attenuverter
  • Audio-tapered level potentiometers on both channels
  • Bi-colour LED CV indicator (white positive, amber negative)
  • Left input normalled to right on both channels for mono-to-stereo operation
  • Rear stereo I/O jacks for expansion with dhà, càrn, and cuïr modules
  • Rear normalling switch: Half Normalled or Normalled output routing
  • Rear stereo input summed at unity gain with 100K ohm impedance
  • Reverse polarity power protection
  • 27mm depth for shallow cases

Controls & Jacks (14)

  • Ch 1 Level— Sets the amplitude of the stereo VCA. Clockwise increases amplitude.
  • Ch 1 Level CV Attenuverter— Scales and/or inverts CV at the Level CV input. Center position is zero modulation depth.
  • Ch 1 Level CV— Indicates amplitude and polarity of the CV signal. White for positive, amber for negative.
  • Ch 1 Level CV In— Bipolar CV input for the Level parameter. Scaled by the attenuverter and summed with the Level knob.
  • Ch 1 VCA In L— Left audio input to the stereo VCA. Normalled to the right input when no cable is connected to the right.
  • Ch 1 VCA In R— Right audio input to the stereo VCA.
  • Mixer Out L— Left channel summed output of Channel 1 and Channel 2.
  • Mixer Out R— Right channel summed output of Channel 1 and Channel 2.
  • Ch 2 In L— Left audio input to the Channel 2 mixer. Normalled to the right input when no cable is connected to the right.
  • Ch 2 In R— Right audio input to the Channel 2 mixer.
  • Ch 2 Level— Sets the amplitude of signals at the Channel 2 inputs. Audio-tapered potentiometer.
  • Normalling— Sets normalling behavior for the Outputs to the Stereo Output Back Jack. Up = Half Normalled (front disconnects rear), Down = Normalled (fro
  • Stereo Input Back— Rear stereo input for chaining additional dhà, càrn, or cuïr modules. 100K ohm impedance, summed at unity gain with the stereo mix.
  • Stereo Output Back— Rear stereo output for connecting to secondary modules. Normalling behavior set by the Normalling switch.

Explore the interactive dhà panel on BleepDex — tap any control to learn what it does.

8c571ce