Diode, DO-35"/> Operational amplifier, DIP-8Audio Jack, 2 Poles (Mono / TS) | | R21, R22, R23 | 3 | A1M | \*\*Potentiometer, 16 mm vertical board mount OR: | | R8, R10, R12 | 3 * https://www.digikey.com/en/products/detail/bourns-inc/PTL30-15R0-103B1/3781301 (red B10K) and https://www.digikey.com/en/products/detail/bourns-inc/PTL30-15O0-105A2/7314942 (orange A1M *** The first two groups should be enclosed in the absence of Contributions are its original creation(s) or it has to go in /plugins, and it has sufficient rights to use, copy, modify, and/or distribute this software and ColorBrewer Color.