Module Row Width Depth +12V -12V +5V
5 Modules (0 passive)Row 144 HPmax 40 mm70 mA +12V48 mA -12V5 mA +5V
9 Modules (3 passive)Row 284 HPmax 64 mm238 mA +12V60 mA -12V0 mA +5V
14 Modules (3 passive)Total128 HPmax 64 mm308 mA +12V108 mA -12V5 mA +5V
Barton Musical Circuits BMC049 - Barton Attenuverting Mixer Barton Musical Circuits BMC049 - Barton Attenuverting Mixer
DC coupled, four channel attenuverting mixer
1  8 HP  ?  ?  ?  ? 
Jake's Custom Shop JCS MIDI to Control Voltage Jake's Custom Shop JCS MIDI to Control Voltage
MIDI to Control Voltage
1  10 HP  25 mm  50 mA  30 mA  5 mA 
Barton Musical Circuits Stereo Outs BMC054 Barton Musical Circuits Stereo Outs BMC054
Stereo Output
1  12 HP  40 mm  ?  ?  ? 
Barton Musical Circuits Analog Drum (6 hp panel) Barton Musical Circuits Analog Drum (6 hp panel)
Drum module
1  6 HP  ?  5 mA  5 mA  ? 
Barton Musical Circuits BMC025 FM Drum Barton Musical Circuits BMC025 FM Drum
FM Percussion
1  8 HP  ?  15 mA  13 mA  0 mA 
Kassutronics KS-20 Filter Kassutronics KS-20 Filter
MS-20 style VCF
2  8 HP  ?  23 mA  23 mA  0 mA 
Kassutronics ASR Envelope Kassutronics ASR Envelope
Static envelope generator with loop feature
2  4 HP  22 mm  15 mA  15 mA  0 mA 
Division 6 CEM3340 VCO Division 6 CEM3340 VCO
Curtis CEM3340-based VCO
2  4 HP  64 mm  9 mA  6 mA  0 mA 
Erica Synths EDU VCO Erica Synths EDU VCO
Easy to build DIY VCO
2  10 HP  25 mm  7 mA  7 mA  0 mA 
Barton Musical Circuits BMC057 Gated Slew Barton Musical Circuits BMC057 Gated Slew
S&H/slew limiter
2  6 HP  ?  9 mA  9 mA  0 mA 
AI Synthesis AI001 Multiple Black AI Synthesis AI001 Multiple Black
Passive 2x3 or 1x6 Multiple
2  2 HP  20 mm  Module does not draw current
AI Synthesis AI001 Multiple Black AI Synthesis AI001 Multiple Black
Passive 2x3 or 1x6 Multiple
2  2 HP  20 mm  Module does not draw current
Moog Music Inc. Mavis Moog Music Inc. Mavis
Synth Voice with Wavefolder
2  44 HP  26 mm  175 mA  0 mA  0 mA 
Tiptop Audio uZeus Tiptop Audio uZeus
Power Supply
2  4 HP  36 mm  Module does not draw current

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