Enclosure not stated · 3 knobs
Paul Trombetta RotoboneVerified
Based on the Paul Trombetta Rotobone· 2 other boards clone it
From the post
Schematic is avaiable HERE.
Schematic
This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Dirtbox Layouts. No KiCad fragment has been drawn for this circuit yet.
Parts list 29 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 7 | ||||
| ×2 | 2K | 2k | read from the layout by eye | |
| ×2 | 560K | 560k | read from the layout by eye | |
| ×1 | 18K | 18k | read from the layout by eye | |
| ×1 | 150K | 150k | read from the layout by eye | |
| ×1 | 1.2K | 1.2k | read from the layout by eye | |
| ×1 | 3.3K | 3.3k | read from the layout by eye | |
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 9 | ||||
| ×1 | 47pF | 47p | read from the layout by eye | |
| ×2 | 8.2nF | 8.2n | read from the layout by eye | |
| ×1 | 12nF | 12n | read from the layout by eye | |
| ×3 | 22nF | 22n | read from the layout by eye | |
| ×2 | 47nF | 47n | read from the layout by eye | |
| ×2 | 68nF | 68n | read from the layout by eye | |
| ×2 | 82nF | 82n | read from the layout by eye | |
| ×1 | 220nF | 220n | read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| ×2 | 1N4148 | 1N4148 | D1, D2; read from the layout by eye | |
| D3 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 4 | ||||
| Q1 | 2N5088 | 2N5088 | read from the layout by eye | |
| Q2 | AC130 | AC130 | germanium; read from the layout by eye | |
| Q3 | PN2907 | PN2907 | read from the layout by eye | |
| Q4 | 2N404 | 2N404 | germanium; read from the layout by eye | |
| Potentiometers 3 | ||||
| Gain | B100K | B100k | Potentiometer | read from the layout by eye |
| Octave | B100K | B100k | Potentiometer | read from the layout by eye |
| Volume | A100K | A100k | Potentiometer | read from the layout by eye |
| Switches 4 | ||||
| Low/High Power | SPDT on/on | SPDT ON/ON | toggle; read from the layout by eye | |
| Q1 Ge/Si | DPDT on/on | DPDT ON/ON | toggle; read from the layout by eye | |
| Q2 Ge/Si | DPDT on/on | DPDT ON/ON | toggle; read from the layout by eye | |
| Y & X | 2P6T rotary | 2P6T ROTARY | rotary; read from the layout by eye | |
Other boards based on the Paul Trombetta Rotobone
- Event Horizon Naegele Audio · 1590BBS
- Trumpet Fuzz Naegele Audio · 1590BB2