Enclosure not stated
Proco Rat 2
Based on the ProCo RAT 2· 1 other board clones it
- Category
- Distortion· Distortion Boost and Overdrive
- Price
- see vendor
- Tags
- Distortion Boost and Overdrive
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 27 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 8 | ||||
| ×2 | 47 | 47 | supply series; op-amp gain leg; read from the schematic by eye | |
| ×2 | 1M | 1M | input pulldown; output JFET gate; read from the schematic by eye | |
| ×4 | 1k | 1k | input series, input JFET source, after the op amp, output JFET source; read from the schematic by eye | |
| ×1 | 100k | 100k | op-amp bias; read from the schematic by eye | |
| ×1 | 560 | 560 | gain leg; read from the schematic by eye | |
| ×2 | 33k | 33k | 4.5V divider; read from the schematic by eye | |
| ×1 | 1.5k | 1.5k | filter; read from the schematic by eye | |
| ×1 | 10k | 10k | volume; read from the schematic by eye | |
| Capacitors 12 | ||||
| ×1 | 100uf | 100u | electrolytic, supply; read from the schematic by eye | |
| ×2 | 0.022uf | 22n | input; output buffer; read from the schematic by eye | |
| ×1 | 1uf | 1u | electrolytic; read from the schematic by eye | |
| ×1 | 1nf | 1n | read from the schematic by eye | |
| ×1 | 100pf | 100p | feedback; read from the schematic by eye | |
| ×1 | 30pf | 30p | LM308 compensation; read from the schematic by eye | |
| ×2 | 4.7uf | 4.7u | electrolytic; the output coupling one marked 35v; read from the schematic by eye | |
| ×1 | 2.2uf | 2.2u | electrolytic; read from the schematic by eye | |
| ×1 | 47uf | 47u | electrolytic, 4.5V reference; read from the schematic by eye | |
| ×1 | 0.001uf | 1n | supply; read from the schematic by eye | |
| ×1 | 0.0033uf | 3.3n | filter; read from the schematic by eye | |
| ×1 | 10uf | 10u | electrolytic; read from the schematic by eye | |
| Diodes 2 | ||||
| ×1 | 1N4001 | 1N4001 | supply; read from the schematic by eye | |
| ×2 | 1N4148 | 1N4148 | clipping; 'Diodes = 1N4148'; read from the schematic by eye | |
| Transistors 1 | ||||
| ×2 | BF245A | BF245A | JFET input and output buffers; read from the schematic by eye | |
| ICs 1 | ||||
| ×1 | LM308 | LM308 | op amp; read from the schematic by eye | |
| Potentiometers 3 | ||||
| ×1 | A150k | A150k | Potentiometer | distortion pot, unnamed; drawn '150k Log'; read from the schematic by eye |
| ×1 | A100k | A100k | Potentiometer | filter pot, unnamed; drawn '100k Log'; read from the schematic by eye |
| ×1 | A100k | A100k | Potentiometer | volume pot, unnamed; drawn '100k Log'; read from the schematic by eye |
Other boards based on the ProCo RAT 2
- Proco Rat 2 Tagboard Effects