Dual Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 | | C4, C5 | 3 | 1 | TL074 | Quad Low-Noise JFET-Input Operational Amplifiers, DIP-14/SOIC-14 | | | | | | R25, R27, R29 | 3 | AudioJack2 | Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling) | | | | Tayda | A-553 | | | | | | | | | | | Screws, nuts, and spacers (see [build notes](build.md)) | | | | | R109, R111, R113 | 3 | 4.7k | Resistor | | | | | | | Tayda | A-3588 | | C7, C11.
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