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Basic features:

Connects to QCD module with a 16-conductor ribbon cable (included)

When connected to a QCD, the following features are added to each QCD channel:

Multi-mode clock output (INV OUT) is the same tempo as the QCD's OUT jack

Switch for selecting mode of the INV OUT jack:

Delayed Trigger mode (left)

Inverted Gate mode (center)

Shuffle mode = d original trigger (right)

Knob for controlling amount of trigger delay, as well as pulse width of the main QCD output

CV jack for controlling trigger delay and pulse width using another channel or external CV

Attenuverter knob for Gate PW/Trig Delay CV jack (controls the amount the signal on the jack effects the 
PW/Delay)

Attenuverter knob for Div/Mult CV jack (on the main QCD module)

LED brightness can be adjusted from the front panel

Controls and jacks:

INV OUT jack (each channel)

+5V trigger (5ms) or +5V gate output. See Mode Switch, below

Runs at the same Div/Mult tempo as the main QCD output, but may be delayed, inverted and/or shuffled.

Three-position Mode Switch (each channel) 

Only effects the INV OUT jack on the Expander (no effect on the main QCD output)

Left = Delayed Trigger mode

Center = Inverted Gate mode

Right = Shuffle mode (d undelayed), effectively doubles the tempo

Trigger Delay (Pulse Width) big knob, attenuverter, and jack:

Depending on the Mode Switch, either trigger delay time or pulse width is controlled

Pulse width of the main QCD output is 

always

 effected (no matter what mode the expander is in)

The big knob sets the amount of delay time or pulse width

The signal on the CV jack is variably attenuated and/or inverted using the attenuverter

The attenuverted CV and big knob's setting are added together

Attenuverter for Div/Mult CV

Variably attenuates and/or inverts the signal on the Div/Mult CV jack on the main QCD module

LED dimmer

The small hole at the bottom is for adjusting the LED brightness. A tiny phillips screwdriver can be inserted 
through the panel to adjust the brightness. See section later in the manual for details

Specifications

12 HP Eurorack format module

0.98” (25 mm) maximum depth

+12V rail: 

44mA max, 

+5V rail 

not used, 

-12V rail: 

30mA max

Summary of Contents for QCD Expander

Page 1: ... 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 C...

Page 2: ...inverted and or shuffled Three position Mode Switch each channel Only effects the INV OUT jack on the Expander no effect on the main QCD output Left Delayed Trigger mode Center Inverted Gate mode Right Shuffle mode delayed undelayed effectively doubles the tempo Trigger Delay Pulse Width big knob attenuverter and jack Depending on the Mode Switch either trigger delay time or pulse width is control...

Page 3: ...imum for example Div Mult would sweep from to x16 A 10V signal will sweep the parameter from minimum to maximum 32 to x16 Turning the knob slightly to the left means a positive signal will decrease the parameter slightly for example Div Mult might sweep from to 2 At fully counter clockwise a 5V signal will sweep from half way to minimum e g to 32 When patching one QCD channel into another s Div Mu...

Page 4: ...nob to the right Adjust black Gate PW To the left the red channel will spend more time being slow To the right it ll spend more time being fast Set red Mode Switch to the left or right Try both and listen for the difference more hits to the right Adjust red PW Delay if you want to play with a timing offset Now let s add some phase shifting hi hats The blue channel is set to shuffle mode and Trig D...

Page 5: ...ing to how it changes the hats pattern Kick conga pitch Turn Green Div Mult to 32 Run the Green OUT to your kick drum patch to modulate the pitch every 4 bars Hint Really you might want to run Green OUT into an RCD or another QCD and use one of those outputs to modulate pitch This gives you more flexibility since the Green channel will also be tied to the Clap sound Flip Green Mode Switch to the r...

Page 6: ...ways ranges from 0V to 5V positive voltage so technically it s an inverted and shifted gate output What this means is when the main QCD output goes high from 0V to 5V the INV OUT goes low from 5V to 0V and vice versa Gate PW Trig Delay always controls the pulse width of the main QCD OUT and so in Inverted Gate Mode it inversely controls the pulse width of the INV OUT Thus if Gate PW is set to 75 t...

Page 7: ...to set one channel to x2 and a second channel to 4 Patch the slower channel s main OUT jack into the faster channel s Div Mult CV jack both jacks are located on the main QCD panel Make sure the Pulse Width of the main channel is reasonable start with 50 Now adjust the faster channel s Div Mult CV attenuator carefully Listen to how each setting sounds It s a sensitive control so turn it a little bi...

Page 8: ... end of the measure Of course for either of these patches the OUT jack of the slower channel could be used to make the change happen at the beginning of the measure Adjusting LED Brightness The brightness of the LEDs can be adjusted from very dim to very bright producing a light show on your face You should leave the unit powered on while you do this so you can watch the LEDs change You will need ...

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