125B · 6 knobs
PedalPCB· PCB461
Plaid Preamp
Based on the Funny Little Boxes 1991· 2 other boards clone it
- Category
- Fuzz· OD / Distortion / Fuzz
- Price
- $12.00in stock
From the vendor
Controls
• Master
• Gain 1
• Gain 2
• Bass
• Mid
• Treble
Details
• Designed for a 125B enclosure with top-mounted jacks
The company, product and service names used in this web site are for identification purposes only. All trademarks and registered trademarks are the property of their respective owners.
This product is not manufactured or distributed by Funny Little Boxes, maker of the Funny Little Boxes 1991 pedal.
PedalPCB is in no way affiliated with Funny Little Boxes
Schematic
The schematic is in the vendor's build document, page 3. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 45 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 18 | ||||
| R1 | 1M | 1M | Resistor, 1/4W | |
| R2 | 470K | 470k | Resistor, 1/4W | |
| R3 | 4K7 | 4.7k | Resistor, 1/4W | |
| R4 | 470K | 470k | Resistor, 1/4W | |
| R5 | 47K | 47k | Resistor, 1/4W | |
| R6 | 33K | 33k | Resistor, 1/4W | |
| R7 | 47K | 47k | Resistor, 1/4W | |
| R8 | 5K6 | 5.6k | Resistor, 1/4W | |
| R9 | 33K | 33k | Resistor, 1/4W | |
| R10 | 470K | 470k | Resistor, 1/4W | |
| R11 | 4K7 | 4.7k | Resistor, 1/4W | |
| R12 | 10K | 10k | Resistor, 1/4W | |
| R13 | 1K | 1k | Resistor, 1/4W | |
| R14 | 1K | 1k | Resistor, 1/4W | |
| R100 | 100R | 100 | Resistor, 1/4W | |
| R101 | 10K | 10k | Resistor, 1/4W | |
| R102 | 10K | 10k | Resistor, 1/4W | |
| R103 | 4K7 | 4.7k | Resistor, 1/4W | LED current limiting resistor |
| Capacitors 16 | ||||
| C1 | 22n | 22n | Film capacitor, 7.2 x 2.5mm | |
| C2 | 1u | 1u | Electrolytic capacitor, 5mm | |
| C3 | 47n | 47n | Film capacitor, 7.2 x 2.5mm | |
| C4 | 51p | 51p | Ceramic disc capacitor | |
| C5 | 1u | 1u | Electrolytic capacitor, 5mm | |
| C6 | 51p | 51p | Ceramic disc capacitor | |
| C7 | 15n | 15n | Film capacitor, 7.2 x 2.5mm | |
| C8 | 15n | 15n | Film capacitor, 7.2 x 2.5mm | |
| C9 | 15n | 15n | Film capacitor, 7.2 x 2.5mm | |
| C10 | 680p | 680p | Ceramic disc capacitor | |
| C11 | 15n | 15n | Film capacitor, 7.2 x 2.5mm | |
| C12 | 1u | 1u | Electrolytic capacitor, 5mm | |
| C13 | 1u | 1u | Electrolytic capacitor, 5mm | |
| C100 | 100u | 100u | Electrolytic capacitor, 5mm | |
| C101 | 100n | 100n | Film capacitor, 7.2 x 2.5mm | |
| C102 | 47u | 47u | Electrolytic capacitor, 5mm | |
| Diodes 3 | ||||
| D1 | 1N4148 | 1N4148 | Signal diode, DO-35 | |
| D2 | 1N4148 | 1N4148 | Signal diode, DO-35 | |
| D100 | 1N5817 | 1N5817 | Schottky diode, DO-41 | |
| ICs 2 | ||||
| IC1 | JRC4558D | JRC4558D | Dual op-amp, DIP8 | |
| IC2 | JRC4558D | JRC4558D | Dual op-amp, DIP8 | |
| Potentiometers 6 | ||||
| VOLUME | A100K | A100k | 16mm right-angle PCB mount pot | |
| GAIN1 | B100K | B100k | 16mm right-angle PCB mount pot | |
| GAIN2 | A500K | A500k | 16mm right-angle PCB mount pot | |
| BASS | A1M | A1M | 16mm right-angle PCB mount pot | |
| MID | B25K | B25k | 16mm right-angle PCB mount pot | |
| TREBLE | A100K | A100k | 16mm right-angle PCB mount pot | |
Other boards based on the Funny Little Boxes 1991
- Funny Little Boxes 1991 Dirtbox Layouts
- 1991 PCBWay: Glory to Ukraine