Labels Milestones
BackShort without extra spacers, use mini toggle switch ON-ON | | R15, R17, R19 | 3 | A1M | Potentiometer | | | | | | | | | J11 | 3 | 4.7k | Resistor | | Knobs | | S3 | 1 nF | Unpolarized capacitor | | | U2 | 1 | TL074 | Quad Low-Noise JFET-Input Operational Amplifiers, DIP-14/SOIC-14"/>