125B · 5 knobs
From the vendor
Controls
• Volume – Controls the overall output volume
• Tone – Adjusts the tone from warm to bright
• Drive – Controls the input gain
• Sustain – Controls signal level into 3rd fuzz stage
• Bias (internal trim) – Internal bias adjustment
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 Pete Cornish, maker of the Cornish NG-2.
PedalPCB is not affiliated with Pete Cornish.
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 51 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 23 | ||||
| R1 | 1M | 1M | ||
| R2 | 1M | 1M | ||
| R3 | 100K | 100k | ||
| R4 | 10K | 10k | ||
| R5 | 390R | 390 | ||
| R6 | 1K | 1k | ||
| R7 | 1K | 1k | ||
| R8 | 100K | 100k | ||
| R9 | 470K | 470k | ||
| R10 | 15K | 15k | ||
| R11 | 680R | 680 | ||
| R12 | 1K | 1k | ||
| R13 | 100K | 100k | ||
| R14 | 470K | 470k | ||
| R15 | 10K | 10k | ||
| R16 | 2K7 | 2.7k | ||
| R17 | 100K | 100k | ||
| R18 | 360R | 360 | ||
| R19 | 1K | 1k | ||
| R20 | 5K6 | 5.6k | ||
| R21 | 360R | 360 | ||
| R22 | 1K | 1k | ||
| R23 | 4K7 | 4.7k | ||
| Capacitors 14 | ||||
| C1 | 100n | 100n | ||
| C2 | 100n | 100n | ||
| C3 | 22u | 22u | ||
| C4 | 1n | 1n | ||
| C5 | 220n | 220n | ||
| C6 | 100n | 100n | ||
| C7 | 10n | 10n | ||
| C8 | 4u7 | 4.7u | ||
| C9 | 100n | 100n | ||
| C10 | 22n | 22n | ||
| C11 | 100n | 100n | ||
| C12 | 10u | 10u | ||
| C13 | 22n | 22n | ||
| C14 | 100u | 100u | ||
| Diodes 4 | ||||
| D1 | 1N34A | 1N34A | ||
| D2 | 1N34A | 1N34A | ||
| D3 | 1N914 | 1N914 | ||
| D4 | 1N5817 | 1N5817 | ||
| Transistors 5 | ||||
| Q1 | BC549C | BC549C | ||
| Q2 | BC549C | BC549C | ||
| Q3 | BC549C | BC549C | ||
| Q4 | BC549C | BC549C | ||
| Q5 | BC549C | BC549C | ||
| Potentiometers 5 | ||||
| VOLUME | B100K | B100k | Potentiometer | |
| DRIVE | A100K | A100k | Potentiometer | |
| SUSTAIN | A50K | A50k | Potentiometer | |
| TONE | B100K | B100k | Potentiometer | |
| BIAS | 50K | 50k | Potentiometer | |
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