Enclosure not stated · 2 knobs
Gretsch Controfuzz
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 15 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 5 | ||||
| ×3 | 100K | 100k | bias divider pair and series resistor after Distort pot; read from the schematic by eye | |
| ×2 | 220K | 220k | first op amp feedback and series after diodes; read from the schematic by eye | |
| ×1 | 10K | 10k | read from the schematic by eye | |
| ×1 | 100 | 100 | to ground via 10uF; read from the schematic by eye | |
| ×1 | 330K | 330k | second op amp feedback; read from the schematic by eye | |
| Capacitors 5 | ||||
| ×2 | 0.1uF | 100n | input coupling (drawn 0.1 uF) and after the 10K; read from the schematic by eye | |
| ×2 | 25pF | 25p | op amp compensation; read from the schematic by eye | |
| ×1 | 220pF | 220p | bias filter; read from the schematic by eye | |
| ×1 | 10uF | 10u | electrolytic; read from the schematic by eye | |
| ×2 | 0.47uF | 470n | read from the schematic by eye | |
| Diodes 1 | ||||
| ×2 | 1N4001 | 1N4001 | clippers to ground; read from the schematic by eye | |
| ICs 1 | ||||
| ×2 | 748 | 748 | one per stage, pinout 3/4/5/6/10/11/12 as drawn (likely uA748 in a 14-pin package); read from the schematic by eye | |
| Potentiometers 2 | ||||
| Distort | 10K | 10k | Potentiometer | read from the schematic by eye |
| Boost | 10K | 10k | Potentiometer | read from the schematic by eye |
| Switches 1 | ||||
| ×1 | DPDT | DPDT | bypass switch; read from the schematic by eye | |