If any issues arise please click here to contact us via email first. We'll walk you through any problems you may be having (with the module).


for v1.0 boards

Part Value Qty. Link Other Notes
U2 / U5 TL074 2 n/a These come pre-soldered if you ordered a PCB
D1 / D2 1N4004 2 here
R3, R24 100k 2 here*
R1, R2, R4, R5, R6, R8, R9, R10,R11, R23,R25, R26, R27, R29, R30, R31,R32, R33 1k 18
R7, R28 220R 2 1/4w, 1% metal film resistors preferably
C1 / C2 100nF 2 here
All Jacks 8 here aka "Thonkiconn" - Tayda is out of stock occasionally, in which case try Thonk.uk
VR1 / VR6 10kB Pot 2 here aka "Alpha" PCB mount pots
VR2 50kB Dual Pot 1 here Only available at Thonk at time of writing
VR7 50kB Pot 2 here
SW1 DPDT Submini ON/ON Switch 1 here Must be submini!
n/a Pin Headers 1 here 2 strips of 5
LDR1 / LDR2 Vactrol 2 5528 LDR / 5mm red LED / 6-7mm Heatshrink Vactrol guide here
Knobs n/a 4 here Or any knob w/ brass screw and insert (Davies 1900 etc)

* this link is to a quick-order page for ALL resistor values.


  • Before powering on for the first time, check for shorts between the GND, +12, and -12 test points.

  • Values for all parts will be on the board.

  • The 3.5mm jacks are marked with their function (IN, OUT, etc) for easier troubleshooting.