Enclosure not stated · 3 knobs
DOD FX35 Octoplus
Based on the DOD FX35 Octoplus
- Category
- Vibrato / Chorus· Vibrato and Pitch Shift
- Controls
- Direct Level · Octave Level · Tone
- Price
- see vendor
- Tags
- Vibrato and Pitch Shift
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 44 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 14 | ||||
| R1 | 10K | 10k | read from the schematic by eye | |
| R2 | 470K | 470k | read from the schematic by eye | |
| R3 | 10K | 10k | read from the schematic by eye | |
| R5 | 33K | 33k | read from the schematic by eye | |
| R6 | 1M | 1M | read from the schematic by eye | |
| R7 | 1M | 1M | read from the schematic by eye | |
| ×7 | 10K | 10k | undesignated (R?): bias divider, tone network x2, U3A/U3B feedback, LED driver x2; read from the schematic by eye | |
| ×1 | 12K | 12k | undesignated: bias divider; read from the schematic by eye | |
| ×9 | 100K | 100k | undesignated: lowpass x2, filter input, output pulldown, direct/octave mix x2, Q1 J113 gate, LED transistor base pulldown, 4007 network; read from the schematic by eye | |
| ×3 | 33K | 33k | undesignated: lowpass, U3 input, U6A feedback; read from the schematic by eye | |
| ×5 | 1M | 1M | undesignated: Q3 gate drive, Q1 J113 drain x2, 4007 network, footswitch pull-up; read from the schematic by eye | |
| ×2 | 47K | 47k | undesignated: U6A inputs; read from the schematic by eye | |
| ×3 | 1K | 1k | undesignated: output series, U3A/U3B outputs; read from the schematic by eye | |
| ×3 | 220K | 220k | undesignated: U6B lowpass filter; read from the schematic by eye | |
| Capacitors 15 | ||||
| C1 | 0.01uF | 10n | read from the schematic by eye | |
| C2 | 47uF | 47u | electrolytic; read from the schematic by eye | |
| C4 | 1uF | 1u | electrolytic; read from the schematic by eye | |
| C17 | 0.1uF | 100n | read from the schematic by eye | |
| C19 | 1uF | 1u | drawn 1u; electrolytic; read from the schematic by eye | |
| C22 | 0.01uF | 10n | read from the schematic by eye | |
| ×4 | 1uF | 1u | undesignated (C?) electrolytics: R3 to ground, U3A/U3B rectifier filters, output coupling; read from the schematic by eye | |
| ×2 | .05uF | 50n | undesignated: Q3 gate filter, 4007 timing; read from the schematic by eye | |
| ×2 | .005uF | 5n | undesignated: lowpass filters; read from the schematic by eye | |
| ×2 | .033uF | 33n | undesignated: lowpass filters; read from the schematic by eye | |
| ×2 | 120pF | 120p | undesignated: lowpass filters; read from the schematic by eye | |
| ×1 | 470pF | 470p | undesignated, drawn 470p; read from the schematic by eye | |
| ×1 | .01uF | 10n | undesignated: U3 input; read from the schematic by eye | |
| ×1 | 0.1uF | 100n | undesignated: tone network; read from the schematic by eye | |
| ×1 | 47uF | 47u | undesignated: Vbias filter, electrolytic; read from the schematic by eye | |
| Diodes 2 | ||||
| D6 | Ge diode | GE DIODE | drawn Ge_DIODE; no part number given; read from the schematic by eye | |
| ×5 | 1N914 | 1N914 | undesignated (D?): Q3 gate and the two U3 full-wave rectifiers; read from the schematic by eye | |
| Transistors 3 | ||||
| Q1 | J113 | J113 | JFET switch at U6A; designator Q1 also used for the 2N5088; read from the schematic by eye | |
| Q1-LED | 2N5088 | 2N5088 | printed Q1 a second time: LED driver; read from the schematic by eye | |
| Q3 | J113 | J113 | JFET switch; read from the schematic by eye | |
| ICs 6 | ||||
| U1 | 1458 | 1458 | dual op amp; read from the schematic by eye | |
| U2 | 1458 | 1458 | dual op amp; read from the schematic by eye | |
| U3 | LM324 | LM324 | quad op amp; read from the schematic by eye | |
| U4 | 4013 | 4013 | dual flip-flop, octave divider; read from the schematic by eye | |
| U5 | 4007 | 4007 | CMOS pair/inverter, bypass switching; read from the schematic by eye | |
| U6 | 1458 | 1458 | dual op amp; read from the schematic by eye | |
| Potentiometers 3 | ||||
| Direct Level | 100K | 100k | Potentiometer | VR1; read from the schematic by eye |
| Octave Level | 100K | 100k | Potentiometer | read from the schematic by eye |
| Tone | 100K | 100k | Potentiometer | read from the schematic by eye |
| LEDs 1 | ||||
| ×1 | LED | LED | undesignated (D?) indicator; read from the schematic by eye | |