KOMA Elektronik BD101 Analog Delay & Gate



KOMA Elektronik

Mangle and cut your sound apart with an innovative vactrol controlled analog delay circuit in combination with a fully adjustable wide range frequency gate. It sounds like you’re playing your instrument on the porch outside of your house and inside your amp is slowly sinking in the toilet, CV controlled of course. This might sound strange, but that’s just what this pedal is about: create weird resonant frequencies, shift between heavy delayed sounds and super short pulses, with whatever instrument you want to plug into it. The BD101 comes standard with a solid footswitch, multiple inputs, an audio and control voltage patchbay and our new innovative expression controller. Freak out!

KOMA Elektronik

General Specifications

  • Case: Aluminium toppanel with wooden sides.
  • Dimensions: 22.5 cm x 15 cm x 5 cm (L x W x H) / 8.8″ x 6″ x 2″ (L x W x H).
  • Net. Weight: 800 grams / 1,76 lb.
  • Shipping Weight: 1.3 kg. / 3 lb including power adaptor and instruction manual.
  • Power requirements: 9V DC power adaptor.


  • INPUT GAIN, slider control, which allows the user to set the input volume of the input instrument or line audio signal.
  • DELAY BLEND, slider control to set the amount of processed delay signal within your overall sound, from dry / wet.
  • GATE SPEED, rotary control, to adjust the clockspeed of the gate.
  • GATE AMOUNT, rotary control, which adjusts the amount of the gated signal applied to the input signal.
  • FEEDBACK, rotary control, to add multiple layers of delay on top of each other.
  • DELAY TIME, rotary control, to set the timespan of the delay.
  • SHAPE, 3 pole slide switch to switch between 3 different shapes of the gate: ramp, pulse & sawtooth.
  • GATE RANGE, 2 pole slide switch to switch between high or low gate range.
  • GATE SPEED LED, indicates the speed of the gate clock.
  • EFFECT ON LED, indicates if the effect is switched on or bypassed.
  • FOOTSWITCH, to turn the effect on or off.
  • 2 IR EMITTERS, 1 IR RECEIVER, to calculate the distance between an object and the pedal, generates a CV signal.


  • AUDIO IN 1/4″ phone jack
  • 2 AUDIO OUT 1/4″ phone jack
  • MOTION CONTROLLER CV OUT, delivers the Control Voltage of the onboard motion controller for use on the pedal CV inputs or other voltage-controlled devices.
  • CLOCK SIGNAL CV OUT, delivers the Control Voltage for use on the pedal CV inputs or other voltage-controlled devices.
  • GATE, SPEED, DELAY TIME, FEEDBACK & AMOUNT CV INPUTS; mono 1/4″ jacks that accept the signal of the onboard motion controller, or control voltages from other CV outputs. The sensitivity of the CV inputs can be adjusted with attenuators which are mounted on the back of the pedal.
  • +9V POWER INPUT jack – accepts standard 9 volt power adaptors, negative center pin. (power adaptor included).



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