Labels Milestones
Back| R25 | 1 | TL071 | Operational amplifier, DIP-8 | | S2 | 1 | 1 | B20k | Potentiometer | | | R21, R22, R23 | 3 | 100R | Resistor | | | J2 | 1 | B10k | **Potentiometer, 9 mm or 16 mm pots had long enough terminals, barely, to poke.