Module Row Width Depth +12V -12V +5V
5 Modules (0 passive)Row 141 HPmax 50 mm143 mA +12V66 mA -12V0 mA +5V
5 Modules (0 passive)Total41 HPmax 50 mm143 mA +12V66 mA -12V0 mA +5V
Befaco Sallen Key Filter BF-22 Befaco Sallen Key Filter BF-22
Korg MS-20 early version inspired Filter. Black panel
1  17 HP  47 mm  40 mA  35 mA  ? 
Befaco VC ADSR Befaco VC ADSR
Voltage controlled ADSR with state gate outs
1  8 HP  30 mm  55 mA  15 mA  0 mA 
God's Box Humpback Filter God's Box Humpback Filter
SEM-style DIY filter
1  8 HP  38 mm  20 mA  16 mA  ? 
RYO Discrete XNOR/XOR/NOT RYO Discrete XNOR/XOR/NOT
Discrete resistor-transistor XNOR/XOR/NOT logic gate
1  4 HP  50 mm  14 mA  0 mA  0 mA 
RYO Dual Discrete NAND/AND RYO Dual Discrete NAND/AND
Dual discrete resistor-transistor NAND/AND logic gate
1  4 HP  45 mm  14 mA  0 mA  0 mA 

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