=== Stock model parts === 1 x 500k linear pot [31CN505] 3 x 500k audio pot [31VJ505] 9 x 100k audio pot [31CC501] 2 x SPDT switch [1055-TA1130] 13 x knob covers [5164-1400] 1 x red LED [351-5100] 1 x green LED [351-5300] 1 x yellow LED [351-5500] 3 x LED clips [593-2800C] 1 x power jack [163-4302-EX] 1 x power supply (9VDC) 1 x +9V voltage regulator [511-L7809CV] 3 x 4558 op-amp IC [513-NJM4558D] 5 x IC sockets [575-993308] 2 x CMOS 555 timer IC [511-TS555CN] 1 x 1/4" output jack [161-1804] 2 x 2N5485 FETs [610-2N5485] 2 x 2N3904 transistor [625-2N3904] 2 x Si diode [583-1N4001] 5 x 100 ohm resistor [291-100] 6 x 470 ohm resistor [291-470] 6 x 1k resistor [291-1k] 4 x 4.7k resistor [291-4] 2 x 10k resistor [291-10k] 9 x 100k resistor [291-100k] 6 x 220k resistor [291-220k] 3 x 470k resistor [291-470k] 6 x 1M resistor [291-1M] 3 x 100uF cap [140-XRL25V100] 3 x 10uF cap [140-XRL25V10] 5 x 1uF cap [140-XRL25V1] 4 x 0.1uF cap [21RZ310] 3 x 102 cap [aka 0.001uF or 1000pF] [140-PF1H102K] pcb box wire === Mods parts === Waveshapers 3 x 500k linear pot 3 x knob covers Symmetry 3 x 500k linear pot 3 x knob covers 6 x diodes (si) Ring mod 1 x 4558 1 x 8-pin socket 1 x 500k pot 1 x knob cover 1 x input jack 3 x 1k 3 x 100k 2 x 1uF 1 x 1000pF 1 x Si diode (add another 1 x 1uF for vol->pitch) (add a SPDT if ring mod AND vol->pitch) Aux input (guitar blend) 1 x input jack (don't include if using ring mod) 1 x 100k pot (use 500k if doing blend) 1 x knob cover 1 x 2n3904 2 x 1k 2 x 1uF 2 x 47k (only need 1 x 47k if doing blend) 1 x 4k7 1 x 220k Drum triggers (dual) 2 x input jack 2 x 100k pot 2 x SPDT flip switch 2 x 8pin socket 2 x 4558 2 x 1k 2 x 100k 12 x 1M 2 x 1uF 2 x 100uF 2 x 0.01uF 4 x 0.1uF 2 x Si diode 2 x 2N3904 transistor Dual Cross mod 2 x 100k audio 2 x knob covers 2 x 1k Range switches 2 x SPDT switch 2 x 0.01uF Stereo Output: 1 x 100k audio pot 1 x 500k linear pot 2 x 1k resistor (see note on stereo diagram) 6 x 100k resistor You'll also want some extra resistors all sorts of values, and some caps in the 0.01uF - -.1uF range to toy with setting a good pitch range if you want to tweak it yourself.