Enclosure not stated
DOD FX53
Based on the DOD FX53 Classic Tube· 2 other boards clone 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 45 rows
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Check before you build · 1 value the reader of this schematic was not sure of
- Output buffer U?A TL072: likely U1B (U1 has a spare half) rather than a third TL072
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 13 | ||||
| R1 | 10K | 10k | read from the schematic by eye | |
| R2 | 470K | 470k | read from the schematic by eye | |
| ×1 | 100 | 100 | undesignated (R?); supply series resistor; read from the schematic by eye | |
| ×1 | 680 | 680 | undesignated (R?); distortion gain leg; read from the schematic by eye | |
| ×1 | 1K | 1k | undesignated (R?); output; read from the schematic by eye | |
| ×1 | 3.3K | 3.3k | undesignated (R?); tone; read from the schematic by eye | |
| ×1 | 6.8K | 6.8k | undesignated (R?); tone; read from the schematic by eye | |
| ×4 | 10K | 10k | undesignated (R?); read from the schematic by eye | |
| ×1 | 18K | 18k | undesignated (R?); U2B feedback; read from the schematic by eye | |
| ×5 | 100K | 100k | undesignated (R?); bias divider (2), footswitch, Q3 base, output pulldown; read from the schematic by eye | |
| ×2 | 220K | 220k | undesignated (R?); read from the schematic by eye | |
| ×5 | 1M | 1M | undesignated (R?); Q1 bias (2) and footswitch section (3); read from the schematic by eye | |
| ×1 | 3.9M | 3.9M | undesignated (R?); U2A feedback; read from the schematic by eye | |
| Capacitors 18 | ||||
| C1 | 0.01uF | 10n | read from the schematic by eye | |
| C2 | 1uF | 1u | read from the schematic by eye | |
| C3 | 120pF | 120p | read from the schematic by eye | |
| C4 | 1uF | 1u | read from the schematic by eye | |
| C5 | .01uF | 10n | read from the schematic by eye | |
| C6 | .0015uF | 1.5n | read from the schematic by eye | |
| C7 | 0.1uF | 100n | read from the schematic by eye | |
| C8 | 0.1uF | 100n | read from the schematic by eye | |
| C9 | .0039uF | 3.9n | read from the schematic by eye | |
| C10 | 10uF | 10u | read from the schematic by eye | |
| C11 | 10uF | 10u | read from the schematic by eye | |
| C13 | 1uF | 1u | read from the schematic by eye | |
| C14 | 1uF | 1u | read from the schematic by eye | |
| C16 | 330uF | 330u | read from the schematic by eye | |
| C17 | 47uF | 47u | read from the schematic by eye | |
| C21 | 120pF | 120p | read from the schematic by eye | |
| ×1 | 10uF | 10u | undesignated (C?); electrolytic before Q1; read from the schematic by eye | |
| ×2 | .039uF | 39n | undesignated (C?); footswitch section; read from the schematic by eye | |
| Diodes 3 | ||||
| ×1 | 1N4001 | 1N4001 | undesignated (D?); polarity protection; read from the schematic by eye | |
| ×4 | 1N4148 | 1N4148 | undesignated (D?); two in U2A feedback, one at Q2 gate, one on the SWITCH line to Q1; read from the schematic by eye | |
| ×2 | Diode | DIODE | undesignated (D?); clipping to ground after C4, no part number given; read from the schematic by eye | |
| Transistors 3 | ||||
| Q1 | J201 | J201 | read from the schematic by eye | |
| Q2 | J201 | J201 | read from the schematic by eye | |
| Q3 | ? | ? | NPN transistor, no part number given; read from the schematic by eye | |
| ICs 4 | ||||
| U1 | TL072 | TL072 | read from the schematic by eye | |
| U2 | TL072 | TL072 | read from the schematic by eye | |
| ×1 | TL072 | TL072 | output buffer drawn as U?A TL072; may be the unused half of U1 rather than a third chip; read from the schematic by eye | |
| U3 | CD4007 | CD4007 | footswitch flip-flop; sections U3A/U?B (4007A) on the same chip; read from the schematic by eye | |
| Potentiometers 3 | ||||
| Distortion | 500K | 500k | Potentiometer | drawn R?; read from the schematic by eye |
| P2 | 100K | 100k | Potentiometer | level; read from the schematic by eye |
| Tone | 100K | 100k | Potentiometer | P3; read from the schematic by eye |
| LEDs 1 | ||||
| ×1 | LED | LED | undesignated (D?); indicator; read from the schematic by eye | |
Other boards based on the DOD FX53 Classic Tube
- DOD FX53 (JPG) Experimentalists Anonymous
- DOD FX53 - Classic Tube Tagboard Effects