Enclosure not stated · 4 knobs
DOD FX69b
Based on the DOD FX69B Grunge· 2 other boards clone it
- Category
- Fuzz· Fuzz and Fuzzy Noisemakers
- Price
- see vendor
- Tags
- Fuzz and Fuzzy Noisemakers
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 37 rows
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Check before you build · 1 value the reader of this schematic was not sure of
- Switching JFETs: drawn as circle FET symbols with a diode on the gate; read as JFET switches by symbol
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 13 | ||||
| R38 | 5.1k | 5.1k | drawing notes 'R38 put here by me' (redrawer's addition, JFET drain resistor); read from the schematic by eye | |
| ×12 | 10k | 10k | read from the schematic by eye | |
| ×10 | 100k | 100k | read from the schematic by eye | |
| ×4 | 47k | 47k | read from the schematic by eye | |
| ×3 | 2k | 2k | read from the schematic by eye | |
| ×2 | 22k | 22k | read from the schematic by eye | |
| ×2 | 1k | 1k | read from the schematic by eye | |
| ×1 | 220k | 220k | read from the schematic by eye | |
| ×1 | 1m | 1M | read from the schematic by eye | |
| ×1 | 3.3k | 3.3k | read from the schematic by eye | |
| ×1 | 470 | 470 | read from the schematic by eye | |
| ×1 | 330 | 330 | read from the schematic by eye | |
| ×1 | 100 | 100 | read from the schematic by eye | |
| Capacitors 13 | ||||
| ×6 | 47n | 47n | read from the schematic by eye | |
| ×4 | 220n | 220n | read from the schematic by eye | |
| ×3 | 120p | 120p | read from the schematic by eye | |
| ×3 | 10u | 10u | one drawn polarized (470 ohm to -4.5v); read from the schematic by eye | |
| ×2 | 1uF | 1u | read from the schematic by eye | |
| ×2 | 33n | 33n | read from the schematic by eye | |
| ×2 | 1n | 1n | read from the schematic by eye | |
| ×2 | 330n | 330n | read from the schematic by eye | |
| ×1 | 27n | 27n | read from the schematic by eye | |
| ×1 | 15n | 15n | read from the schematic by eye | |
| ×1 | 10n | 10n | read from the schematic by eye | |
| ×1 | 8.2n | 8.2n | read from the schematic by eye | |
| ×1 | 50p | 50p | read from the schematic by eye | |
| Diodes 2 | ||||
| ×2 | Diode | DIODE | clipping pair to -4.5v; no part number given; read from the schematic by eye | |
| ×3 | Diode | DIODE | gate diodes of the three switching JFETs; no part number given; read from the schematic by eye | |
| Transistors 4 | ||||
| ×1 | JFET | JFET | input source follower; no part number given; read from the schematic by eye | |
| ×3 | JFET | JFET | switching JFETs (circle symbol, gate fed via diode, 47n to -4.5v on two); no part number given; read from the schematic by eye | |
| ×1 | 2N5088 | 2N5088 | read from the schematic by eye | |
| ×4 | NPN | NPN | no part number given; read from the schematic by eye | |
| ICs 1 | ||||
| ×5 | Op-amp | OP-AMP | five op-amp sections drawn; no part number or chip grouping given; read from the schematic by eye | |
| Potentiometers 4 | ||||
| Grunge | 100k | 100k | Potentiometer | marked '50%'; read from the schematic by eye |
| Low | 100k | 100k | Potentiometer | marked '50%'; read from the schematic by eye |
| High | 100k | 100k | Potentiometer | marked '50%'; read from the schematic by eye |
| Loud | 100k | 100k | Potentiometer | marked '50%'; read from the schematic by eye |
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