Low-Power, Quad-Operational Amplifiers, DIP-14/SOIC-14/SSOP-14 Low-Power, Quad-Operational Amplifiers, DIP-14/SOIC-14/SSOP-14 Dual Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 | | | Tayda | A-827 | | Tayda | A-3545, A-3489, or A-3499\*\*\* | | | | Tayda | A-3588 | | | | Tayda | A-4349 | | 8 | 1N4148 | 100V 0.15A standard switching diode, DO-35 | | C4, C5 | 2 pin Molex header 2.54 mm 2x5 Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling) | | | | | | | | | | | | | | | Screws and spacers (see [build notes](build.md)) | | | Tayda | A-1531 or A-557 | | | | | C9 | 5 | 2N3904 | 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92 | | J9 | 1 | B10k | Potentiometer | | R1, R2 | 2 | 47k | Resistor | | | | R5 | 2 pin Molex header 2.54 mm 2x5 Switch, triple pole double throw, separate symbols K switch normally-closed pushbutton push-button.
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