Enclosure not stated · 4 knobs
From the vendor
The Tone Bender is one of the most iconic fuzz effects from the 60s. With this PCB you can build the original or many other variants using either PNP or NPN transistors. The PCB includes dedicated pads for trimmers, allowing precise adjustment of the circuit’s behavior.
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 18 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 5 | ||||
| R1 | 100k | 100k | 100K Ohm 1/4W 1% Metal Film Resistor | |
| R2 | 10k | 10k | 10K Ohm 1/4W 1% Metal Film Resistor | |
| R3 | 100k | 100k | 100K Ohm 1/4W 1% Metal Film Resistor | |
| R4 | 470 | 470 | 470 Ohm 1/4W 1% Metal Film Resistor | |
| R5 | 1M | 1M | 1M Ohm 1/4W 1% Metal Film Resistor | Optional |
| Capacitors 6 | ||||
| C1 | 10n | 10n | 10Nf 100V 5% Polyester Film Box Type Capacitor | |
| C2 | 4.7u | 4.7u | 4.7Uf 50V Electrolytic Capacitor 5X11Mm | |
| C3 | 100n | 100n | 100Nf 100V 5% Polyester Film Box Type Capacitor | |
| C4 | 10n | 10n | 10Nf 100V 5% Polyester Film Box Type Capacitor | |
| C5 | 4.7u | 4.7u | 4.7Uf 50V Electrolytic Capacitor 5X11Mm | |
| C6 | 47u | 47u | 47Uf 50V Electrolytic Capacitor 6X11Mm | |
| Transistors 3 | ||||
| Q1 | 2N3904 | 2N3904 | 2N3904 Npn General Purpose Transistor | |
| Q2 | 2N3904 | 2N3904 | 2N3904 Npn General Purpose Transistor | |
| Q3 | 2N3904 | 2N3904 | 2N3904 Npn General Purpose Transistor | |
| Potentiometers 4 | ||||
| Biasq2 | 100k | 100k | 100K Ohm Trimmer Potentiometer | |
| Biasq3 | 10k | 10k | 10K Ohm Trimmer Potentiometer | |
| Vol | 100k-A | A100k | 100K Ohm Logarithmic Taper Potentiometer | |
| Fuzz | 1k-B | B1k | 1K Ohm Linear Taper Potentiometer | |
Other boards based on the Sola Sound Tone Bender
- Tone Bender (with DC inverter) Tayda Electronics (DHEA) · $8.00