Enclosure not stated · 3 knobs
Tesla AYZ 025 (Fuzz section)
Based on the Tesla AYZ-025 Fuzz Wah· 2 other boards clone it
From the post
Fuzz section lifted from of a fuzz wah from former Czechoslovakia which was produced in late 70's and 80's. By looking at the schematic it shares some similarites with Foxx Tone Machine.
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 28 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 16 | ||||
| ×3 | 10K | 10k | read from the layout by eye | |
| ×3 | 47K | 47k | read from the layout by eye | |
| ×5 | 100K | 100k | read from the layout by eye | |
| ×2 | 1K | 1k | read from the layout by eye | |
| ×2 | 4.7K | 4.7k | read from the layout by eye | |
| ×1 | 39K | 39k | read from the layout by eye | |
| ×1 | 330K | 330k | read from the layout by eye | |
| ×1 | 180K | 180k | read from the layout by eye | |
| ×1 | 27K | 27k | read from the layout by eye | |
| ×1 | 680K | 680k | read from the layout by eye | |
| ×1 | 6.8K | 6.8k | read from the layout by eye | |
| ×1 | 56K | 56k | read from the layout by eye | |
| ×1 | 220Ω | 220 | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×1 | 120K | 120k | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| Capacitors 5 | ||||
| ×8 | 4.7uF | 4.7u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| ×1 | 47pF | 47p | read from the layout by eye | |
| ×1 | 3.3nF | 3.3n | read from the layout by eye | |
| ×2 | 47nF | 47n | read from the layout by eye | |
| Diodes 2 | ||||
| ×4 | KA501 | KA501 | D1-D4; Try 1N4148/1N914; read from the layout by eye | |
| D5 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 1 | ||||
| ×5 | KC508 | KC508 | Q1-Q5; Try BC108B, 2N3904 etc.; read from the layout by eye | |
| Potentiometers 3 | ||||
| Gain | B50K | B50k | Potentiometer | legend: Fuzz; read from the layout by eye |
| Tone | B50K | B50k | Potentiometer | read from the layout by eye |
| Volume | B50K | B50k | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| Switch | SPDT on/on | SPDT ON/ON | read from the layout by eye | |
Other boards based on the Tesla AYZ-025 Fuzz Wah
- Tesla AYZ-025 Fuzz Wah Dirtbox Layouts
- Tesla Fuzz PCB Guitar Mania · 125B · €9.90