/ TS) Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling)Standard switching diode, DO-35Operational amplifier, DIP-8Audio Jack, 2 Poles (Mono / TS)100V 0.15A standard switching diode, DO-35 Pin header 2.54 mm spacing Q1, Q2, Q3, Q4, Q5 R1, R2, R23, R24 R3, R21, R27, R28 | 3 | A1M | Potentiometer | | | | | | Tayda | A-962 | | | | | | C7, C11 | 3 | A1M | \*\*Potentiometer, 9 mm or 16 mm pots had long enough terminals, barely, to poke through the board, cross at 90° to minimize capacitance between traces - .3mm for non-power lines, .6mm if carrying power MK uses a ground plane on only one side when convenient. You can view the terms of this definition, "control.