T Pole (Normalling) Quad operational amplifier, DIP-14"/> Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling) | | | J9 | 3 | AudioJack2 | Audio Jack, 2 Poles (Mono / TS) | | U3 | 1 nF | Unpolarized capacitor | | S2 | 1 | Conn_01x07 | *(optional) SIP socket, 2.54 mm, 1x10 | | | | R14 | 1 | TL074 | Quad Low-Noise JFET-Input Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 | | L1 | 1 | B10k | **Potentiometer, 9 mm vertical pots. You can use this, for instance, if you like.
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