Enclosure not stated · 3 knobs
WEM / Rush Pep Box (silicon version)
Based on the WEM Pep Box Silicon· 1 other board clones it
From the vendor
The later WEM Pep Box with NPN BC107 silicon transistors on +9V. The circuit follows the germanium version, with a 1M base resistor and a 10n cap from the first base to ground, and a trimmer of unknown value where the germanium version has its 820K resistor.
Schematic
The schematic is in the post. Open it at Revolution Deux. No KiCad fragment has been drawn for this circuit yet.
Parts list 14 rows
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Check before you build · 2 values the reader of this schematic was not sure of
- The trimmer feeding the Effect pot is marked '?' (value unknown).
- The Level pot is marked '500k?'.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 5 | ||||
| R1 | 1M | 1M | read from the schematic by eye | |
| R2 | 1.5K | 1.5k | read from the schematic by eye | |
| R3 | 100 | 100 | read from the schematic by eye | |
| R4 | 10K | 10k | read from the schematic by eye | |
| R5 | 56K | 56k | read from the schematic by eye | |
| Capacitors 4 | ||||
| C1 | 25u | 25u | electrolytic; read from the schematic by eye | |
| C2 | 10n | 10n | read from the schematic by eye | |
| C3 | 25u | 25u | electrolytic; read from the schematic by eye | |
| C4 | 3.3n | 3.3n | read from the schematic by eye | |
| Transistors 2 | ||||
| Q1 | BC107 | BC107 | read from the schematic by eye | |
| Q2 | BC107 | BC107 | read from the schematic by eye | |
| Potentiometers 3 | ||||
| Trim | ? | ? | Potentiometer | trimmer, value unknown; read from the schematic by eye |
| Effect | A10K | A10k | Potentiometer | read from the schematic by eye |
| Level | 500K | 500k | Potentiometer | marked 500k?; read from the schematic by eye |
Other boards based on the WEM Pep Box Silicon
- WEM Pep Box Silicon Dirtbox Layouts