125B · 5 knobs
PedalPCB· PCB696
Capsize Preamp
Based on the Broughton Audio Fliptop· 1 other board clones it
- Category
- Preamp / Amp-in-a-box· Preamps
- Price
- $12.00in stock
- Tags
- 125B, Bass
From the vendor
Controls
• Bass
• Treble
• Gain
• Cab
• Master
Details
• Designed for a 125B enclosure with top-mounted jacks
The company, product and service names used in this web site are for comparative purposes only. All trademarks and registered trademarks are the property of their respective owners. This product is not manufactured or distributed by Broughton Audio, maker of the Broughton Audio Fliptop.
PedalPCB is in no way affiliated with Broughton Audio.
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 60 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 26 | ||||
| R1 | 2M | 2M | Resistor, 1/4W | |
| R2 | 2M | 2M | Resistor, 1/4W | |
| R3 | 1K | 1k | Resistor, 1/4W | |
| R4 | 100K | 100k | Resistor, 1/4W | |
| R5 | 10K | 10k | Resistor, 1/4W | |
| R6 | 2K2 | 2.2k | Resistor, 1/4W | |
| R7 | 2K2 | 2.2k | Resistor, 1/4W | |
| R8 | 100R | 100 | Resistor, 1/4W | |
| R9 | 2K2 | 2.2k | Resistor, 1/4W | |
| R10 | 2K2 | 2.2k | Resistor, 1/4W | |
| R11 | 12K | 12k | Resistor, 1/4W | |
| R12 | 1M | 1M | Resistor, 1/4W | |
| R13 | 2K2 | 2.2k | Resistor, 1/4W | |
| R14 | 22K | 22k | Resistor, 1/4W | |
| R15 | 4K7 | 4.7k | Resistor, 1/4W | |
| R16 | 39K | 39k | Resistor, 1/4W | |
| R17 | 10K | 10k | Resistor, 1/4W | |
| R18 | 75K | 75k | Resistor, 1/4W | |
| R19 | 75K | 75k | Resistor, 1/4W | |
| R20 | 100K | 100k | Resistor, 1/4W | |
| R21 | 100R | 100 | Resistor, 1/4W | |
| R26 | 10K | 10k | Resistor, 1/4W | |
| R100 | 47R | 47 | Resistor, 1/4W | |
| R101 | 100R | 100 | Resistor, 1/4W | |
| R102 | 10K | 10k | Resistor, 1/4W | |
| CLR | 4K7 | 4.7k | Resistor, 1/4W | * LED current limiting resistor |
| Capacitors 23 | ||||
| C1 | 100n | 100n | Film capacitor, 7.2 x 2.5mm | |
| C2 | 100n | 100n | Film capacitor, 7.2 x 2.5mm | |
| C3 | 3n3 | 3.3n | Film capacitor, 7.2 x 2.5mm | |
| C4 | 100n | 100n | Film capacitor, 7.2 x 2.5mm | |
| C5 | 3n3 | 3.3n | Film capacitor, 7.2 x 2.5mm | |
| C6 | 220n | 220n | Film capacitor, 7.2 x 5.0mm | |
| C7 | 100u | 100u | Electrolytic capacitor, 5mm | |
| C8 | 10n | 10n | Film capacitor, 7.2 x 2.5mm | |
| C9 | 100n | 100n | Film capacitor, 7.2 x 2.5mm | |
| C10 | 4n7 | 4.7n | Film capacitor, 7.2 x 2.5mm | |
| C11 | 47n | 47n | Film capacitor, 7.2 x 2.5mm | |
| C12 | 220n | 220n | Film capacitor, 7.2 x 5.0mm | |
| C13 | 10u | 10u | Electrolytic capacitor, 5mm | |
| C14 | 1n | 1n | Film capacitor, 7.2 x 2.5mm | |
| C15 | 100n | 100n | Film capacitor, 7.2 x 2.5mm | |
| C16 | 100n | 100n | Film capacitor, 7.2 x 2.5mm | |
| C17 | 22n | 22n | Film capacitor, 7.2 x 2.5mm | |
| C18 | 2n2 | 2.2n | Film capacitor, 7.2 x 2.5mm | |
| C19 | 470p | 470p | Ceramic capacitor | |
| C20 | 1u | 1u | Electrolytic capacitor, 5mm | |
| C100 | 100u | 100u | Electrolytic capacitor, 5mm | |
| C101 | 100u | 100u | Electrolytic capacitor, 5mm | |
| C102 | 100u | 100u | Electrolytic capacitor, 5mm | |
| Diodes 1 | ||||
| D100 | 1N5817 | 1N5817 | Schottky diode, DO-41 | |
| Transistors 2 | ||||
| Q1 | 2N5457 | 2N5457 | JFET transistor, N-channel | |
| Q2 | 2N5457 | 2N5457 | JFET transistor, N-channel | |
| ICs 1 | ||||
| IC1 | TL074 | TL074 | Quad op-amp, DIP14 | |
| Potentiometers 5 | ||||
| BASS | A100K | A100k | 16mm right-angle PCB mount pot | |
| CAB | B10K | B10k | 16mm right-angle PCB mount pot | |
| GAIN | A100K | A100k | 16mm right-angle PCB mount pot | |
| MASTER | A100K | A100k | 16mm right-angle PCB mount pot | |
| TREBLE | A100K | A100k | 16mm right-angle PCB mount pot | |
| Trimmers 2 | ||||
| BIAS1 | 50K | 50k | Trimmer potentiometer, 3362P type | |
| BIAS2 | 50K | 50k | Trimmer potentiometer, 3362P type | |
Other boards based on the Broughton Audio Fliptop
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