Enclosure not stated · 3 knobs
Maestro BrassmasterVerified
Based on the Maestro Brassmaster· 6 other boards clone it
- Category
- Fuzz
- Controls
- Bass Volume · Brass Volume · Sensitivity
- Build
- Vero· 27×19· 38 cuts, 12 links
- Layout
- Verified · Dirtbox Layouts marks it as built and working
- Tags
- Fuzz, Maestro, Octave
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 44 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 19 | ||||
| ×2 | 1.5M | 1.5M | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| ×1 | 470K | 470k | read from the layout by eye | |
| ×2 | 220K | 220k | read from the layout by eye | |
| ×3 | 150K | 150k | read from the layout by eye | |
| ×1 | 82K | 82k | read from the layout by eye | |
| ×3 | 47K | 47k | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| ×2 | 12K | 12k | read from the layout by eye | |
| ×3 | 10K | 10k | read from the layout by eye | |
| ×2 | 6.8K | 6.8k | read from the layout by eye | |
| ×1 | 4.7K | 4.7k | read from the layout by eye | |
| ×1 | 3.3K | 3.3k | read from the layout by eye | |
| ×3 | 2.2K | 2.2k | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×1 | 820Ω | 820 | read from the layout by eye | |
| ×1 | 470Ω | 470 | read from the layout by eye | |
| ×1 | 390Ω | 390 | read from the layout by eye | |
| ×1 | 150Ω | 150 | read from the layout by eye | |
| Capacitors 7 | ||||
| ×2 | 4.7nF | 4.7n | read from the layout by eye | |
| ×2 | 10nF | 10n | read from the layout by eye | |
| ×2 | 47nF | 47n | read from the layout by eye | |
| ×4 | 100nF | 100n | read from the layout by eye | |
| ×5 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×1 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 22uF | 22u | electrolytic; read from the layout by eye | |
| Diodes 5 | ||||
| D1 | 1N4148 | 1N4148 | 1N457A in original; read from the layout by eye | |
| D2 | 1N4148 | 1N4148 | 1N457A in original; read from the layout by eye | |
| D3 | 1N4148 | 1N4148 | 1N457A in original; read from the layout by eye | |
| D4 | 1N4148 | 1N4148 | 1N457A in original; read from the layout by eye | |
| D5 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 7 | ||||
| Q1 | BC337 | BC337 | BC337, BC547B, 2N5088 etc.; 2N3392 in original; read from the layout by eye | |
| Q2 | BC337 | BC337 | BC337, BC547B, 2N5088 etc.; 2N3392 in original; read from the layout by eye | |
| Q3 | BC337 | BC337 | BC337, BC547B, 2N5088 etc.; 2N3392 in original; read from the layout by eye | |
| Q4 | BC337 | BC337 | BC337, BC547B, 2N5088 etc.; 2N3392 in original; read from the layout by eye | |
| Q5 | BC517 | BC517 | darlington; BC517, MPSA12, MPSA14 etc.; 2N5308 in original; read from the layout by eye | |
| Q6 | BC337 | BC337 | BC337, BC547B, 2N5088 etc.; 2N3392 in original; read from the layout by eye | |
| Q7 | BC337 | BC337 | BC337, BC547B, 2N5088 etc.; 2N3392 in original; read from the layout by eye | |
| Transformers 1 | ||||
| TR1 | 42TM018 | 42TM018 | 10K:10K; read from the layout by eye | |
| Potentiometers 3 | ||||
| Bass Volume | B10K | B10k | Potentiometer | read from the layout by eye |
| Brass Volume | B10K | B10k | Potentiometer | read from the layout by eye |
| Sensitivity | B10K | B10k | Potentiometer | Try 10kA; read from the layout by eye |
| Switches 2 | ||||
| Harmonic Switch | SPDT on/on | SPDT ON/ON | toggle; read from the layout by eye | |
| Brass Switch | 3PDT on/on | 3PDT ON/ON | nine lugs wired to the board; read from the layout by eye | |
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