125B · 6 knobs
PedalPCB· PCB461
Plaid Preamp
Based on the Funny Little Boxes 1991· 1 other board clones it
- Category
- Fuzz· OD / Distortion / Fuzz
- Controls
- Master · Gain 1 · Gain 2 · Bass · Mid · Treble
- Price
- $12.00in stock
From the vendor
Controls
• Master
• Gain 1
• Gain 2
• Bass
• Mid
• Treble
Specifications
• Designed for a 125B enclosure with top-mounted jacks
Documentation
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
Report a wrong parse| 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
- 1991 PCBWay: Glory to Ukraine