Part="TL071"> Operational amplifier, DIP-8Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling) | | | | | R114 | 1 nF | Unpolarized capacitor | | | | R16, R17, R19, R20 **Potentiometer, 9 mm or 16 mm vertical board mount. Only 16 mm vertical board mount. \*\* Use only four (4) potentiometers, either 9 mm or 16 mm vertical board mount. Only 16 mm 3.5 mm jack 3 mm LED 5 mm x 0.3 mm body (https://assets.nexperia.com/documents/package-information/SOD962-2.pdf https://www.nexperia.com/packages/SOD962-2.html Diode SMPA (DO-221BC), https://www.vishay.com/docs/87659/v8pa10.pdf Single phase, Bridge rectifier, 28.55x28.55mm, case KBPC_T(FP), https://www.digitroncorp.com/Digitron/media/Files/Datasheets/KBPC15005-SERIES.pdf Single phase, Bridge rectifier, 28.614x28.614mm, case KBPC_T(FP), https://www.digitroncorp.com/Digitron/media/Files/Datasheets/KBPC15005-SERIES.pdf Single phase, Bridge rectifier, 28.614x28.614mm, case KBPC_T(FP), https://www.digitroncorp.com/Digitron/media/Files/Datasheets/KBPC15005-SERIES.pdf Single phase, Bridge rectifier, 28.614x28.614mm, case KBPC_T(FP), https://www.digitroncorp.com/Digitron/media/Files/Datasheets/KBPC15005-SERIES.pdf Single phase, Bridge rectifier, 28.614x28.614mm, case KBPC_T(FP), https://www.diodemodule.com/bridge-rectifier/kbpc/kbpc1501t.pdf Single.