Enclosure not stated · 3 knobs
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 33 rows
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Check before you build · 2 values the reader of this schematic was not sure of
- J111: FET label drawn 'JM', likely J111
- 100K count (26) by hand tally
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 10 | ||||
| ×26 | 100K | 100k | 18 in the six all-pass stages, plus bias, regen, output, LFO and CD4007 circuits; read from the schematic by eye | |
| ×2 | 10K | 10k | read from the schematic by eye | |
| ×2 | 470K | 470k | input bias and LFO to LED driver; read from the schematic by eye | |
| ×1 | 330K | 330k | read from the schematic by eye | |
| ×4 | 220K | 220k | LFO; read from the schematic by eye | |
| ×7 | 4.7K | 4.7k | read from the schematic by eye | |
| ×3 | 22K | 22k | read from the schematic by eye | |
| ×1 | 1K | 1k | read from the schematic by eye | |
| ×3 | 1M | 1M | read from the schematic by eye | |
| ×1 | 75K | 75k | read from the schematic by eye | |
| Capacitors 10 | ||||
| ×8 | .01uF | 10n | six all-pass, input and LFO; read from the schematic by eye | |
| ×1 | 120pF | 120p | read from the schematic by eye | |
| ×1 | .0022uF | 2.2n | read from the schematic by eye | |
| ×1 | 25pF | 25p | read from the schematic by eye | |
| ×1 | 15uF | 15u | read from the schematic by eye | |
| ×3 | 10uF | 10u | read from the schematic by eye | |
| ×1 | 1uF | 1u | output; read from the schematic by eye | |
| ×1 | .033uF | 33n | read from the schematic by eye | |
| ×3 | .047uF | 47n | read from the schematic by eye | |
| ×1 | .1uF | 100n | read from the schematic by eye | |
| Diodes 2 | ||||
| ×1 | 1N4001 | 1N4001 | read from the schematic by eye | |
| ×1 | 1N4148 | 1N4148 | read from the schematic by eye | |
| Transistors 3 | ||||
| ×1 | J113 | J113 | JFET; read from the schematic by eye | |
| ×1 | J111 | J111 | JFET current source, label reads 'JM'; read from the schematic by eye | |
| ×2 | 2N4124 | 2N4124 | NPN; read from the schematic by eye | |
| ICs 2 | ||||
| ×5 | TL022 | TL022 | ten 1/2 TL022 sections; read from the schematic by eye | |
| ×1 | CD4007 | CD4007 | read from the schematic by eye | |
| Opto 1 | ||||
| ×3 | VTL5C4/2 | VTL5C4/2 | 3 ea., one LED and two LDRs each for the six all-pass stages; read from the schematic by eye | |
| Potentiometers 3 | ||||
| Tone | 500K | 500k | Potentiometer | drawn D500KRL; read from the schematic by eye |
| Speed | 500K | 500k | Potentiometer | drawn D500KRL; read from the schematic by eye |
| Regen | 100K | 100k | Potentiometer | drawn D100K; read from the schematic by eye |
| Switches 1 | ||||
| ×1 | SPST | SPST | with 100K in CD4007 timing (mode); read from the schematic by eye | |
| LEDs 1 | ||||
| ×1 | LED | LED | indicator, driven by 2N4124; read from the schematic by eye | |