Enclosure not stated · 3 knobs
Maestro MFZT-1 FuzztainVerified
Based on the Maestro MFZT-1 Fuzztain· 2 other boards clone it
- Category
- Compressor
- Build
- Vero· 28×28· 59 cuts, 37 links
- Layout
- Verified · Dirtbox Layouts marks it as built and working
- Tags
- Chris Stelloh, Compressor, Electronic Audio Experiments, Fuzz, Maestro
From the post
Verified and drawn by Chris Stelloh! 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 41 rows
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Check before you build · 1 value the reader of this layout was not sure of
- R21, R28 and the Mode control: stock values entered (22k, 47k, SPDT toggle); the EAE Blend mod uses 1k, 1k and a B50k pot instead
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 16 | ||||
| ×1 | 47Ω | 47 | read from the layout by eye | |
| ×2 | 470Ω | 470 | read from the layout by eye | |
| ×1 | 1k | 1k | read from the layout by eye | |
| ×1 | 1k5 | 1.5k | read from the layout by eye | |
| ×7 | 10k | 10k | read from the layout by eye | |
| ×1 | 15k | 15k | read from the layout by eye | |
| ×1 | 47k | 47k | read from the layout by eye | |
| ×1 | 51k | 51k | read from the layout by eye | |
| ×6 | 100k | 100k | read from the layout by eye | |
| ×5 | 200k | 200k | read from the layout by eye | |
| ×1 | 470k | 470k | read from the layout by eye | |
| ×2 | 510k | 510k | read from the layout by eye | |
| ×1 | 2M | 2M | printed 2m; read from the layout by eye | |
| R21 | 22k | 22k | stock mode switch; 1k for the EAE Blend mod; read from the layout by eye | |
| R28 | 47k | 47k | stock mode switch; 1k for the EAE Blend mod; read from the layout by eye | |
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 11 | ||||
| ×1 | 100pF | 100p | read from the layout by eye | |
| ×1 | 220pF | 220p | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 3n3 | 3.3n | read from the layout by eye | |
| C9 | 10nF | 10n | EAE recommends lower, try 4n7-6n8; read from the layout by eye | |
| ×4 | 100nF | 100n | read from the layout by eye | |
| ×1 | 220nF | 220n | read from the layout by eye | |
| ×1 | 330nF | 330n | read from the layout by eye | |
| C22 | 1uF | 1u | film box; EAE says a different value affects compressor release time; read from the layout by eye | |
| ×5 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×2 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| D1 | 1N5817 | 1N5817 | read from the layout by eye | |
| ×2 | 1N4148 | 1N4148 | D2, D3; EAE says try 3mm red LEDs for LOUD; read from the layout by eye | |
| Transistors 3 | ||||
| Q1 | BC337 | BC337 | EAE used 2n3904, mind the pinout; read from the layout by eye | |
| Q2 | BC337 | BC337 | EAE used 2n3904, mind the pinout; read from the layout by eye | |
| Q3 | BC337 | BC337 | EAE used 2n3904, mind the pinout; read from the layout by eye | |
| ICs 5 | ||||
| IC1 | TL072 | TL072 | EAE says try NE5532; read from the layout by eye | |
| IC2 | TL072 | TL072 | read from the layout by eye | |
| IC3 | TL072 | TL072 | EAE says try NE5532; read from the layout by eye | |
| IC4 | TL072 | TL072 | read from the layout by eye | |
| IC5 | CD4007 | CD4007 | both UBE & AE work; read from the layout by eye | |
| Potentiometers 3 | ||||
| Sustain | A100K | A100k | Potentiometer | read from the layout by eye |
| Fuzz | C1M | C1M | Potentiometer | read from the layout by eye |
| Volume | A25K | A25k | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| Mode | SPDT on/on | SPDT ON/ON | toggle, stock; EAE Blend mod replaces it with a B50k pot; read from the layout by eye | |
Other boards based on the Maestro MFZT-1 Fuzztain
- Maestro MFZT-1 Fuzztain Dirtbox Layouts
- Fuzztain Electronic Audio Experiments · 1590BBM · $12.00