125B · 4 knobs
Effects Layouts· CPA112221
Corsair
Based on the EHX Freedom Amp preamp
- Category
- Preamp / Amp-in-a-box
- Controls
- Bite · Gain · Tone · Volume
- Price
- $5.00in stock
From the vendor
The CORSAIR is a preamp/overdrive, based on the preamp section of the somewhat rare EHX Freedom Amp (and I suspect is very similar to even more rare EXH Freedom Preamp pedal). It really shines when it’s cranked up and creates a unique overdrive tone.
Build doc
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Based on the EHX Freedom Preamp
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 41 rows
Report a wrong parse| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 19 | ||||
| R1 | 1M | 1M | ||
| R2 | 270k | 270k | ||
| R3 | 47k | 47k | ||
| R4 | 270k | 270k | ||
| R5 | 2.7k | 2.7k | ||
| R6 | 47k | 47k | ||
| R7 | 10k | 10k | ||
| R8 | 10k | 10k | ||
| R9 | 4.7k | 4.7k | ||
| R10 | 270k | 270k | ||
| R11 | 150k | 150k | ||
| R12 | 10k | 10k | ||
| R13 | 4.7k | 4.7k | ||
| R14 | 4.7k | 4.7k | ||
| R15 | 1k | 1k | ||
| R16 | 2.2k | 2.2k | ||
| R17 | 12k | 12k | ||
| R18 | 47k | 47k | ||
| R19 | 47k | 47k | ||
| Capacitors 16 | ||||
| C3 | 47p | 47p | ||
| C4 | 1µ | 1u | ||
| C5 | 1µ | 1u | ||
| C6 | 27n | 27n | ||
| C7 | 27n | 27n | ||
| C8 | 27n | 27n | ||
| C9 | 10n | 10n | ||
| C10 | 10n | 10n | ||
| C11 | 10µ | 10u | ||
| C12 | 22n | 22n | ||
| C13 | 1µ | 1u | ||
| C14 | 100µ | 100u | ||
| C15 | 100n | 100n | ||
| C16 | 10µ | 10u | ||
| C1 | 27n | 27n | ||
| C2 | 47p | 47p | ||
| Diodes 1 | ||||
| D1 | 1N5817 | 1N5817 | ||
| ICs 1 | ||||
| IC1 | JRC4558 | JRC4558 | ||
| Potentiometers 4 | ||||
| BITE | B100K | B100k | Potentiometer | |
| GAIN | B100K | B100k | Potentiometer | |
| TONE | B100K | B100k | Potentiometer | |
| VOLUME | A100K | A100k | Potentiometer | |