Enclosure not stated · 3 knobs
Greer Royal Velvet Drive & PreVerified
Based on the Greer Amps Royal Velvet Drive & Pre· 1 other board clones 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 26 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 8 | ||||
| ×2 | 4.7K | 4.7k | read from the layout by eye | |
| ×1 | 100Ω | 100 | read from the layout by eye | |
| ×1 | 220K | 220k | read from the layout by eye | |
| ×1 | 390Ω | 390 | read from the layout by eye | |
| ×2 | 10K | 10k | read from the layout by eye | |
| ×2 | 1.5K | 1.5k | read from the layout by eye | |
| ×3 | 1M | 1M | read from the layout by eye | |
| ×2 | 22K | 22k | read from the layout by eye | |
| Capacitors 9 | ||||
| ×1 | 220pF | 220p | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×3 | 22nF | 22n | read from the layout by eye | |
| ×1 | 47nF | 47n | read from the layout by eye | |
| ×1 | 220nF | 220n | read from the layout by eye | |
| ×1 | 2.2nF | 2.2n | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| ×2 | 22uF | 22u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D1 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 3 | ||||
| Q1 | J201 | J201 | JFET; read from the layout by eye | |
| Q2 | J201 | J201 | JFET; read from the layout by eye | |
| Q3 | J201 | J201 | JFET; read from the layout by eye | |
| Transformers 1 | ||||
| TR1 | TY-141P | TY-141P | audio transformer; read from the layout by eye | |
| Potentiometers 3 | ||||
| Gain | B500K | B500k | Potentiometer | read from the layout by eye |
| Tone | A10K | A10k | Potentiometer | read from the layout by eye |
| Level | A100K | A100k | Potentiometer | read from the layout by eye |
| Trimmers 1 | ||||
| ×3 | 100K | 100k | bias trimmers, one per JFET; read from the layout by eye | |
Other boards based on the Greer Amps Royal Velvet Drive & Pre
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