Module Row Width Depth +12V -12V +5V
8 Modules (0 passive)Row 182 HPmax 95 mm188 mA +12V121 mA -12V0 mA +5V
9 Modules (0 passive)Row 282 HPmax 80 mm215 mA +12V158 mA -12V0 mA +5V
17 Modules (0 passive)Total164 HPmax 95 mm403 mA +12V279 mA -12V0 mA +5V
Klangbau Köln Twin Peak Filter (Prototype) Klangbau Köln Twin Peak Filter (Prototype)
Dual tracking Filter with Joystick.
1  13 HP  95 mm  ?  ?  ? 
Klangbau Köln XR-VCO (big version) Klangbau Köln XR-VCO (big version)
Square, Tri & Sine Wave Oscillator with Sync, PWM, lin / exp FM and a Waveshaper.
1  13 HP  70 mm  65 mA  50 mA  ? 
Klangbau Köln Wavetable VCDO Klangbau Köln Wavetable VCDO
Digital 8-bit Wavetable VCO with sub-oscillator, CV control, portamento and bit crusher effect
1  14 HP  60 mm  25 mA  12 mA  ? 
Klangbau Köln Wavefolder Klangbau Köln Wavefolder
Wavefolder with built-in VCA
1  9 HP  50 mm  15 mA  ?  ? 
Klangbau Köln Röhren VCA (Tube VCA) Klangbau Köln Röhren VCA (Tube VCA)
VCA with a mini-tube, featuring a feedback circuit and a bias voltage switch.
1  8 HP  50 mm  30 mA  19 mA  0 mA 
Klangbau Köln state_qVCF Klangbau Köln state_qVCF
State variable Filter with 12dB slope and separate tracking & resonance CV inputs.
1  8 HP  60 mm  23 mA  22 mA  0 mA 
Klangbau Köln ADSR Klangbau Köln ADSR
ADSR with special Attack phase and LFO mode
1  9 HP  50 mm  20 mA  8 mA  0 mA 
Doepfer A-138b Doepfer A-138b
Mixer (Logarithmic)
1  8 HP  35 mm  10 mA  10 mA  0 mA 
Klangbau Köln Benjolin (Rob Hordijk) Klangbau Köln Benjolin (Rob Hordijk)
Klangbau Köln's take on Rob Hordijk's Benjolin
2  32 HP  45 mm  ?  ?  ? 
Klangbau Köln 2-Ch - CV-Recorder Klangbau Köln 2-Ch - CV-Recorder
CV-Recorder, 2 chanlles
2  8 HP  80 mm  ?  ?  ? 
Klangbau Köln CV Prozessor Klangbau Köln CV Prozessor
Joystick module with a push-button
2  8 HP  40 mm  15 mA  8 mA  0 mA 
Klangbau Köln RND Modul Logistische Gleichung Klangbau Köln RND Modul Logistische Gleichung
Generates CV values by calculating the logistic equation which produces self-similar patterns.
2  6 HP  40 mm  20 mA  0 mA  ? 
Klangbau Köln VC Controlled Trigger Delay Klangbau Köln VC Controlled Trigger Delay
Delays received triggers according to CV at its input
2  6 HP  50 mm  15 mA  10 mA  ? 
Klangbau Köln RMO diode style Klangbau Köln RMO diode style
Ring modulator (RMO)
2  4 HP  35 mm  10 mA  ?  ? 
Klangbau Köln S/H closed loop Klangbau Köln S/H closed loop
Sample & Hold module with HP and LP response
2  6 HP  35 mm  15 mA  10 mA  0 mA 
Klangbau Köln RND Modul Logistische Gleichung (Analog) Klangbau Köln RND Modul Logistische Gleichung (Analog)
Completely analog logistic equation computer.
2  6 HP  ?  20 mA  10 mA  ? 
Doepfer A-139-2 Doepfer A-139-2
Stereo Headphone Amplifier
2  6 HP  40 mm  120 mA  120 mA  0 mA 

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