125B · 3 knobs
PedalPCB· PCB177
Integral Preamp
Based on the TC Electronic Integrated Preamp· 4 other boards clone it
- Category
- Boost
- Price
- $8.00in stock
- Tags
- 125B, 125B 3-Knob (Type 1)
From the vendor
Controls
• Volume
• Bass
• 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 TC Electronics, maker of the TC Electronics Integrated Preamp.
PedalPCB is not affiliated with TC Electronics.
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 46 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 14 | ||||
| R1 | 4K7 | 4.7k | ||
| R2 | 22K | 22k | ||
| R3 | 1M | 1M | ||
| R4 | 6M8 | 6.8M | ||
| R5 | 100K | 100k | ||
| R6 | 220K | 220k | ||
| R7 | 470R | 470 | ||
| R8 | 4K7 | 4.7k | ||
| R9 | 8K2 | 8.2k | ||
| R10 | 220R | 220 | ||
| R100 | 4K7 | 4.7k | ||
| R101 | 10K | 10k | ||
| R102 | 100K | 100k | ||
| R103 | 1M | 1M | ||
| Capacitors 16 | ||||
| C1 | 47n | 47n | ||
| C2 | 100p | 100p | ||
| C3 | 4u7 | 4.7u | ||
| C4 | 4n7 | 4.7n | ||
| C5 | 47n | 47n | ||
| C6 | 1u | 1u | ||
| C7 | 22n | 22n | ||
| C8 | 220n | 220n | ||
| C9 | 4u7 | 4.7u | ||
| C100 | 100u | 100u | ||
| C102 | 10u | 10u | ||
| C103 | 10u | 10u | ||
| C104 | 10u | 10u | ||
| C105 | 10u | 10u | ||
| C106 | 10u | 10u | ||
| C107 | 10u | 10u | ||
| Diodes 9 | ||||
| D1 | 1S1588 | 1S1588 | ||
| D2 | 1S1588 | 1S1588 | ||
| D100 | 1N5817 | 1N5817 | ||
| D101 | 1N4001 | 1N4001 | ||
| D102 | 1N4001 | 1N4001 | ||
| D103 | 1N4001 | 1N4001 | ||
| D104 | 1N4001 | 1N4001 | ||
| D105 | 1N4001 | 1N4001 | ||
| D106 | 1N4001 | 1N4001 | ||
| Transistors 2 | ||||
| Q1 | BC548C | BC548C | ||
| Q2 | BC548C | BC548C | ||
| ICs 2 | ||||
| IC1 | TL071 | TL071 | ||
| IC100 | TC1044SCPA | TC1044SCPA | ||
| Potentiometers 3 | ||||
| TREBLE | C50K | C50k | Potentiometer | |
| BASS | C50K | C50k | Potentiometer | |
| LEVEL | A50K | A50k | Potentiometer | |
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