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QCD Expander

4MS QCD Expander


Expansion module for the Quad Clock Distributor (QCD)

The Expander turns the QCD into a programmatic non-linear sequencer, allowing you to easily create everything from self-patched evolving rhythms, to swing/shuffle patterns, to classic dance beats.

Each of the four channels has:

  • Multi-mode output jack INV OUT, which mirrors the tempo of main QCD output
  • Mode Switch for each INV OUT jack:
    • Delayed Trigger Mode
    • Inverted Gate Mode
    • Shuffle Mode (delayed + original trigger)
  • PW/Delay knob controls trigger delay time on INV OUT jack (or pulse width in Inverted Gate Mode)
    • Also controls Pulse Width of main QCD OUT jack
    • CV input jack for external control
    • Attenuverter allows for one channel to precisely modulate another channel's delay or pulse width
  • Div/Mult CV attenuator knob
    • Controls how much the signal on the main QCD's Div/Mult CV jack will modulate the tempo
    • Useful for precisely modulating the speed of one channel with another
    • A global LED brightness trimpot is accessible from the front panel.
    Size: 12hp
    Max Depth: 25mm
    Power: 44mA +12v / 30mA -12v