Quantity   Component name
1 × CD40106BE Logic ICs / Gates and Inverters
2 × 2.2μF capacitors Electronic Components / Misc. Electronic Components
2 × 220nF capacitors
1 × 10μF electrolytic capacitor Connectors and Accessories / Miscellaneous Connectors
4 × 1.5kΩ resistors
4 × 33kΩ resistors
4 × 1N914 / 1N4148 diodes
4 × SPDT toggle switches - choose between diode and resistor mixing
1 × SPST switch - power
5 × 100kΩ logarithmic potentiometers (A100K) - volumes Electronic Components / Misc. Electronic Components
2 × 100kΩ linear potentiometers (B100K)
2 × 10kΩ linear potentiometers (B10K)
1 × 25kΩ linear potentiometer - voltage sag/starve
8 × Radio Shack 274-0018 control knobs knooooooooobs http://www.radioshack.com/control-knob/2740018.htm