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Alloyed
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| Reference | Value | Description |
|---|---|---|
| Q1 | BC337 | 0.8A Ic, 45V Vce, NPN Transistor, TO-92 |
| U1 | TL074 | Quad Low-Noise JFET-Input Operational Amplifiers, DIP-14/SOIC-14 |
| U2 | PT2399 | Echo Processor IC, DIP-16 |
| U3 | LM7805_TO220 | Positive 1A 35V Linear Regulator, Fixed Output 5V, TO-220 |
| C1 | 0.33uf | Unpolarized capacitor |
| C2 | 0.1uf | Unpolarized capacitor |
| C3 | 10uf | Unpolarized capacitor |
| C4,C5 | 22nf | Unpolarized capacitor |
| C6,C7 | 0.01uf | Unpolarized capacitor |
| C8 | 0.001uf | Unpolarized capacitor |
| C9 | 560pf | Unpolarized capacitor |
| D1 | 1N4148 | 100V 0.15A standard switching diode, DO-35 |
| J1,J2 | 3.5mm_Mono_Switched | Audio 3.5mm Jack, mono, switched, PC-pin Vertical |
| R1 | 100k | Resistor |
| R2-R6 | 10k | Resistor |
| R9 | 1k | Resistor |