125B · 3 knobs
From the vendor
NPN Fuzz / Tone Control
Loosely based on an NPN Tonebender mixed with a Rangemaster. All profits from sales of this PCB will be donated to m4bl.org and bostondsa.org.
Sale is for PCB only. You must source the components and build the pedal yourself. Photo of completed pedal is for reference only.
Build documents can be found here. Please read before purchasing.
BLM V1.1 Build Guide
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NOT FOR COMMERCIAL USE
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 26 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 10 | ||||
| R1 | 68k | 68k | 1/4 watt resistor | |
| R2 | 330k | 330k | 1/4 watt resistor | |
| R3 | 10M | 10M | 1/4 watt resistor | |
| R4 | 10k | 10k | 1/4 watt resistor | |
| R5 | 10k | 10k | 1/4 watt resistor | |
| R6 | 10k | 10k | 1/4 watt resistor | |
| R7 | 33k | 33k | 1/4 watt resistor | |
| R8 | 470k | 470k | 1/4 watt resistor | |
| R9 | 27k | 27k | 1/4 watt resistor | |
| R10 | 3.3k | 3.3k | 1/4 watt resistor | |
| Capacitors 8 | ||||
| C1 | 100p | 100p | MLCC none-‐220p Smoothes | |
| C2 | 1n | 1n | Film cap | |
| C3 | 22n | 22n | Film cap | |
| C4 | 2.2n | 2.2n | Film cap | |
| C5 | 0.22u | 220n | Film cap | |
| C6 | 1u | 1u | Film cap | |
| C7 | 10u | 10u | Electrolytic Cap | |
| C8 | 47u | 47u | Electrolytic Cap | |
| Diodes 2 | ||||
| D1 | 1n34a | 1N34A | Germanium diode germanium | |
| D2 | 5817 | 5817 | Schottky diode 1n5818, | |
| Transistors 3 | ||||
| Q1 | 2n2222a | 2N2222A | TO-‐18 transistor 2n708, | |
| Q2 | 2n2222a | 2N2222A | TO-‐18 transistor 2n708, | |
| Q3 | 2n5088 | 2N5088 | TO-‐92 transistor 2n3904, | |
| Potentiometers 3 | ||||
| Fuzz | A100k | A100k | POT16MM | |
| Range | C500k | C500k | POT16MM | |
| Level | A100k | A100k | POT16MM | |