Enclosure not stated
Roger Mayer Octavia
- Category
- Fuzz· Fuzz and Fuzzy Noisemakers
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- see vendor
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- Fuzz and Fuzzy Noisemakers
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 24 rows
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Check before you build · 1 value the reader of this schematic was not sure of
- 2N3906 base resistor: label partly hidden by the wire, reads 820k (could be 320k)
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 14 | ||||
| ×4 | 2.2M | 2.2M | input pulldown, phase-splitter collector feedback, output-stage bias pair; read from the schematic by eye | |
| ×2 | 820k | 820k | 2N3906 base bias; phase-splitter emitter to diode; read from the schematic by eye | |
| ×1 | 680k | 680k | read from the schematic by eye | |
| ×1 | 470k | 470k | read from the schematic by eye | |
| ×1 | 330k | 330k | read from the schematic by eye | |
| ×1 | 180k | 180k | read from the schematic by eye | |
| ×1 | 150k | 150k | output pulldown; read from the schematic by eye | |
| ×2 | 100k | 100k | 2N3906 collector load; rectifier load; read from the schematic by eye | |
| ×1 | 47k | 47k | read from the schematic by eye | |
| ×2 | 39k | 39k | MPS-A13 stage collector and emitter; read from the schematic by eye | |
| ×2 | 20k | 20k | phase-splitter collector and emitter; read from the schematic by eye | |
| ×1 | 10k | 10k | output emitter resistor; read from the schematic by eye | |
| ×1 | 2.2k | 2.2k | read from the schematic by eye | |
| ×1 | 220 | 220 | read from the schematic by eye | |
| Capacitors 5 | ||||
| ×4 | 22uF | 22u | electrolytics; read from the schematic by eye | |
| ×5 | .01uF | 10n | read from the schematic by eye | |
| ×1 | .001uF | 1n | read from the schematic by eye | |
| ×1 | 470pF | 470p | read from the schematic by eye | |
| ×1 | 0.1uF | 100n | output coupling; read from the schematic by eye | |
| Diodes 1 | ||||
| ×2 | 1N4148 | 1N4148 | full-wave rectifier (octave), drawn D1N4148; read from the schematic by eye | |
| Transistors 2 | ||||
| ×1 | 2N3906 | 2N3906 | PNP input stage, drawn Q2N3906; read from the schematic by eye | |
| ×3 | MPS-A13 | MPSA13 | NPN Darlington; read from the schematic by eye | |
| Potentiometers 2 | ||||
| ×1 | C10k | C10k | Potentiometer | drawn '10k RLG' (reverse log), unnamed; fuzz/gain control in the first stage; read from the schematic by eye |
| ×1 | A1M | A1M | Potentiometer | drawn '1M LOG', unnamed; output level; read from the schematic by eye |