Enclosure not stated · 4 knobs
From the vendor
The Box of Rock pedal is designed to emulate the classic JTM45 tone. It offers great headroom and allows you to control the distortion level directly from the guitar's volume knob. The pedal also includes a separate boost stage based on the Super Hard On circuit.
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 48 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 23 | ||||
| R1 | 1M | 1M | 1M Ohm 1/4W 1% Metal Film Resistor | |
| R2 | 1M | 1M | 1M Ohm 1/4W 1% Metal Film Resistor | |
| R3 | 1M | 1M | 1M Ohm 1/4W 1% Metal Film Resistor | |
| R4 | 5.1k | 5.1k | 5.1K Ohm 1/4W 1% Metal Film Resistor | |
| R5 | 470k | 470k | 470K Ohm 1/4W 1% Metal Film Resistor | |
| R6 | 1M | 1M | 1M Ohm 1/4W 1% Metal Film Resistor | |
| R7 | 1M | 1M | 1M Ohm 1/4W 1% Metal Film Resistor | |
| R8 | 5.1k | 5.1k | 5.1K Ohm 1/4W 1% Metal Film Resistor | |
| R9 | 100 | 100 | 100 Ohm 1/4W 1% Metal Film Resistor | |
| R10 | 1M | 1M | 1M Ohm 1/4W 1% Metal Film Resistor | |
| R11 | 1M | 1M | 1M Ohm 1/4W 1% Metal Film Resistor | |
| R12 | 5.1k | 5.1k | 5.1K Ohm 1/4W 1% Metal Film Resistor | |
| R13 | 330 | 330 | 330 Ohm 1/4W 1% Metal Film Resistor | |
| R14 | 47k | 47k | 47K Ohm 1/4W 1% Metal Film Resistor | |
| R15 | 82k | 82k | 82K Ohm 1/4W 1% Metal Film Resistor | |
| R16 | 10k | 10k | 10K Ohm 1/4W 1% Metal Film Resistor | |
| R17 | 10k | 10k | 10K Ohm 1/4W 1% Metal Film Resistor | |
| R18 | 1M | 1M | 1M Ohm 1/4W 1% Metal Film Resistor | |
| R19 | 1M | 1M | 1M Ohm 1/4W 1% Metal Film Resistor | |
| R20 | 1M | 1M | 1M Ohm 1/4W 1% Metal Film Resistor | |
| R21 | 5.1k | 5.1k | 5.1K Ohm 1/4W 1% Metal Film Resistor | |
| R22 | 47k | 47k | 47K Ohm 1/4W 1% Metal Film Resistor | |
| R23 | 82 | 82 | 82 Ohm 1/4W 1% Metal Film Resistor | |
| Capacitors 14 | ||||
| C1 | 100n | 100n | 100Nf 100V 5% Polyester Film Box Type Capacitor | |
| C2 | 22n | 22n | 22Nf 100V 5% Polyester Film Box Type Capacitor | |
| C3 | 470p | 470p | 470Pf 50V Ceramic Disc Capacitor | |
| C4 | 22n | 22n | 22Nf 100V 5% Polyester Film Box Type Capacitor | |
| C5 | 1u | 1u | 1Uf 50V Electrolytic Capacitor 5X11Mm | |
| C6 | 10n | 10n | 10Nf 100V 5% Polyester Film Box Type Capacitor | |
| C7 | 22n | 22n | 22Nf 100V 5% Polyester Film Box Type Capacitor | |
| C8 | 1n | 1n | 1Nf 100V 5% Polyester Film Box Type Capacitor | |
| C9 | 1n | 1n | 1Nf 100V 5% Polyester Film Box Type Capacitor | |
| C10 | 100n | 100n | 100Nf 100V 5% Polyester Film Box Type Capacitor | |
| C11 | 10u | 10u | 10Uf 50V Electrolytic Capacitor 5X11Mm | |
| C12 | 47u | 47u | 47Uf 25V Electrolytic Capacitor 5X11Mm | |
| C13 | 1n | 1n | 1Nf 100V 5% Polyester Film Box Type Capacitor | |
| C14 | 1n | 1n | 1Nf 100V 5% Polyester Film Box Type Capacitor | |
| Diodes 3 | ||||
| D1 | 1N4739A | 1N4739A / 9V1 | 1N4739A 1N4739 Zener Diode 9.1V 1W | |
| D2 | 1N4739A | 1N4739A / 9V1 | 1N4739A 1N4739 Zener Diode 9.1V 1W | |
| D3 | 1N4001 | 1N4001 | 1N4001 Diode 1A 50V | |
| Transistors 4 | ||||
| Q1 | BS170 | BS170 | Bs170 Bs170Rlrag Mosfet N-Channel | |
| Q2 | BS170 | BS170 | Bs170 Bs170Rlrag Mosfet N-Channel | |
| Q3 | BS170 | BS170 | Bs170 Bs170Rlrag Mosfet N-Channel | |
| Q4 | BS170 | BS170 | Bs170 Bs170Rlrag Mosfet N-Channel | |
| Potentiometers 4 | ||||
| Vol | 100k-A | A100k | 100K Ohm Log Potentiometer | |
| Tone | 100k-B | B100k | 100K Ohm Linear Potentiometer | |
| Gain | 5k-C | C5k | 5K Ohm Anti-Log Taper Potentiometer | |
| Boost | 5k-C | C5k | 5K Ohm Anti-Log Taper Potentiometer | |
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