125B · 4 knobs
Buffalo-Weaver Overdrive
Based on the Guitar Magazine Tube Bender
- Category
- Overdrive
- Price
- see vendor
- Tags
- Dan Coggins
From the vendor
A layout of Dan Coggins's Guitar Magazine Tube Bender. The Buffalo-Weaver Overdrive is a PCB based on the Guitar Magazine Tube Bender. This was a DIY circuit published by Guitar Magazine in the UK in 2003. Later, a commercial pedal was released under the Dinosaural name, with tweaked values. This PCB is printed with the original DIY values. It's a bold, crunchy-sounding overdrive.
Schematic
The schematic is in the vendor's build document. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 37 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 17 | ||||
| R8 | 22K | 22k | 1/4W Resistor | |
| R10 | 22K | 22k | 1/4W Resistor | |
| R12 | 22K | 22k | 1/4W Resistor | |
| R13 | 22K | 22k | 1/4W Resistor | |
| R1 | 1K2 | 1.2k | 1/4W Resistor | |
| R5 | 1K2 | 1.2k | 1/4W Resistor | |
| R7 | 1K2 | 1.2k | 1/4W Resistor | |
| R4 | 2K2 | 2.2k | 1/4W Resistor | |
| R9 | 2K2 | 2.2k | 1/4W Resistor | |
| R2 | 1M | 1M | 1/4W Resistor | |
| R3 | 100K | 100k | 1/4W Resistor | |
| R6 | 150R | 150 | 1/4W Resistor | |
| R11 | 10K | 10k | 1/4W Resistor | |
| R14 | 68K | 68k | 1/4W Resistor | |
| R100 | 4K7 | 4.7k | 1/4W Resistor | LEDR |
| R101 | 100R | 100 | 1/4W Resistor | |
| RPD1 | 2M2 | 2.2M | 1/4W Resistor | |
| Capacitors 10 | ||||
| C1 | 10N | 10n | Film Capacitor | |
| C5 | 10N | 10n | Film Capacitor | |
| C8 | 10N | 10n | Film Capacitor | |
| C4 | 100N | 100n | Film Capacitor | |
| C100 | 100N | 100n | Film Capacitor | |
| C2 | 47N | 47n | Film Capacitor | |
| C3 | 47U | 47u | Electrolytic capacitor | |
| C6 | 4N7 | 4.7n | Film Capacitor | |
| C7 | 33N | 33n | Film Capacitor | |
| C101 | 100U | 100u | Electrolytic capacitor | |
| Diodes 1 | ||||
| D101 | 1N5817 | 1N5817 | Diode\_DO41-3 | Polarity Protection |
| Transistors 4 | ||||
| Q1 | BC549C | BC549C | Transistor | |
| Q3 | BC549C | BC549C | Transistor | |
| Q4 | BC549C | BC549C | Transistor | |
| Q2 | BC307B | BC307B | Transistor | See below |
| Potentiometers 3 | ||||
| Drive | A50K | A50k | 16MM potentiometer | |
| Tone | A50K | A50k | 16MM potentiometer | |
| Volume | A50K | A50k | 16MM potentiometer | |
| Switches 1 | ||||
| Tone Shift | SPDT | SPDT | On/Off/On | |
| LEDs 1 | ||||
| D100 | LED | LED | 3MM | Bypass indicator |