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Coloursound Chuckawah page 2
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Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 17 rows
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Check before you build · 2 values the reader of this schematic was not sure of
- 16k: handwritten '16 k', could be 15k
- pot and trimmer values not given
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 7 | ||||
| ×5 | 1M | 1M | read from the schematic by eye | |
| ×3 | 470k | 470k | op-amp feedback; read from the schematic by eye | |
| ×4 | 100k | 100k | read from the schematic by eye | |
| ×2 | 47k | 47k | read from the schematic by eye | |
| ×1 | 16k | 16k | read from the schematic by eye | |
| ×2 | 220k | 220k | read from the schematic by eye | |
| ×2 | 10M | 10M | switched in by the slide switch; read from the schematic by eye | |
| Capacitors 4 | ||||
| ×4 | 47n | 47n | read from the schematic by eye | |
| ×3 | 100n | 100n | read from the schematic by eye | |
| ×2 | 10n | 10n | read from the schematic by eye | |
| ×2 | 4n7 | 4.7n | read from the schematic by eye | |
| Diodes 1 | ||||
| ×1 | Diode | DIODE | no part number given; supply polarity protection; read from the schematic by eye | |
| Transistors 1 | ||||
| ×1 | BF244A | BF244A | N-channel JFET; read from the schematic by eye | |
| ICs 1 | ||||
| ×1 | MC3401 | MC3401 | quad Norton op amp, four sections used; read from the schematic by eye | |
| Potentiometers 1 | ||||
| ×1 | ? | ? | Potentiometer | no value drawn; pot with wiper to a 100n cap, likely the wah/sweep control; read from the schematic by eye |
| Trimmers 1 | ||||
| ×1 | ? | ? | value drawn as '?'; between 220k and ground, wiper to 47k; read from the schematic by eye | |
| Switches 1 | ||||
| ×1 | SPDT | SPDT | slide switch selecting the 10M resistors; read from the schematic by eye | |