Enclosure not stated · 3 knobs
From the vendor
The EP Booster is designed to be more than just a clean boost; it adds warmth, sparkle, and definition to your guitar sound. The PCB includes dedicated pads for toggle switches, allowing you to easily control the amount of bass and treble.
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 27 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 12 | ||||
| R1 | 1M | 1M | 1M Ohm 1/4W 1% Metal Film Resistor | |
| R2 | 33k | 33k | 33K Ohm 1/4W 1% Metal Film Resistor | |
| R3 | 1M | 1M | 1M Ohm 1/4W 1% Metal Film Resistor | |
| R5 | 4.7k | 4.7k | 4.7K Ohm 1/4W 1% Metal Film Resistor | |
| R6 | 1k | 1k | 1K Ohm 1/4W 1% Metal Film Resistor | |
| R7 | 15k | 15k | 15K Ohm 1/4W 1% Metal Film Resistor | Original; 33k to remove more treble |
| R8 | 10k | 10k | 10K Ohm 1/4W 1% Metal Film Resistor | |
| R9 | 1M | 1M | 1M Ohm 1/4W 1% Metal Film Resistor | |
| R10 | 10k | 10k | 10K Ohm 1/4W 1% Metal Film Resistor | |
| R11 | 10k | 10k | 10K Ohm 1/4W 1% Metal Film Resistor | |
| R12 | 47k | 47k | 47K Ohm 1/4W 1% Metal Film Resistor | |
| R13 | 100 | 100 | 100 Ohm 1/4W 1% Metal Film Resistor | |
| Capacitors 8 | ||||
| C1 | 47n | 47n | 47Nf 100V 5% Polyester Film Box Type Capacitor | |
| C2 | 10u | 10u | 10Uf 50V Electrolytic Capacitor 5X11Mm | |
| C3 | 10u | 10u | 10Uf 50V Electrolytic Capacitor 5X11Mm | Original; 0.1u to remove more bass |
| C4 | 100u | 100u | 100Uf 35V Electrolytic Capacitor 6X11Mm | |
| C5 | 3.3n | 3.3n | 3.3Nf 100V 5% Polyester Film Box Type Capacitor | |
| C6 | 10u | 10u | 10Uf 50V Electrolytic Capacitor 5X11Mm | |
| C7 | 10u | 10u | 10Uf 50V Electrolytic Capacitor 5X11Mm | |
| C8 | 47u | 47u | 47Uf 25V Electrolytic Capacitor 5X11Mm | |
| Diodes 1 | ||||
| D1 | 1N4148 | 1N4148 | 1N4148 Switching Signal Diode | |
| Transistors 2 | ||||
| Q1 | J201 | J201 | Smd Sot-23 J201 Jfet N-Channel Transistor | |
| Q2 | 2N5088 | 2N5088 | 2N5088 Gerenal Purpose Transistor | |
| Potentiometers 1 | ||||
| Gain | 10k-C | C10k | 10K Ohm Anti-Log Potentiometer | |
| Trimmers 1 | ||||
| R4 | 50k | 50k | 50K Trimmer Potentiometer | trimmer |
| Switches 2 | ||||
| Bass | SPDT | SPDT | Mini Toggle Switch Spdt On-On | |
| Treble | SPDT | SPDT | Mini Toggle Switch Spdt On-On | |
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