Enclosure not stated · 4 knobs
D*A*M Meathead Deluxe M-25
Based on the D*A*M Meathead Deluxe· 7 other boards clone it
- Category
- Fuzz
- Price
- see vendor
- Tags
- freestompboxes.org trace
From the vendor
The deluxe Meathead adds a bias trimmer and a 'Filter' control, an input blend that sets the low-end response, while 'Attack' is the usual Fuzz Face fuzz control. It uses a BC337-16 and a BC107B.
Set the 22K trimmer for 4.5V on Q2's collector. C4 can be 4n7 or 5n6.
Schematic
The schematic is in the post. Open it at Revolution Deux. No KiCad fragment has been drawn for this circuit yet.
Parts list 18 rows
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Check before you build · 1 value the reader of this schematic was not sure of
- The post's M-25 schematic image is a dead link; parts are read from beedotman's vero layout.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 4 | ||||
| R1 | 820 | 820 | read from the schematic by eye | |
| R2 | 18K | 18k | read from the schematic by eye | |
| R3 | 120K | 120k | read from the schematic by eye | |
| R4 | 1M | 1M | read from the schematic by eye | |
| Capacitors 7 | ||||
| C1 | 470p | 470p | read from the schematic by eye | |
| C2 | 47p | 47p | read from the schematic by eye | |
| C3 | 100n | 100n | read from the schematic by eye | |
| C4 | 4.7n | 4.7n | or 5n6; read from the schematic by eye | |
| C5 | 22u | 22u | electrolytic; read from the schematic by eye | |
| C6 | 100u | 100u | electrolytic; read from the schematic by eye | |
| C7 | 1u | 1u | electrolytic; read from the schematic by eye | |
| Diodes 1 | ||||
| D1 | 1N4001 | 1N4001 | read from the schematic by eye | |
| Transistors 2 | ||||
| Q1 | BC337-16 | BC337-16 | read from the schematic by eye | |
| Q2 | BC107B | BC107B | read from the schematic by eye | |
| Potentiometers 4 | ||||
| Bias trim | 22K | 22k | Potentiometer | VR1, set Q2 collector to 4.5V; read from the schematic by eye |
| Attack | B1K | B1k | Potentiometer | read from the schematic by eye |
| Filter | B100K | B100k | Potentiometer | read from the schematic by eye |
| Level | B470K | B470k | Potentiometer | read from the schematic by eye |
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