125B · 2 knobs
From the vendor
Controls
• Compress – Controls the amount of compression
• Volume – Controls the overall output volume
• Gain (internal trim pot) – Adjusts the internal preamp gain
Details
• Designed for a 125B enclosure with top-mounted jacks
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PedalPCB is not affiliated with Demeter Amplification.
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 31 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 17 | ||||
| R1 | 1M | 1M | ||
| R2 | 10K | 10k | ||
| R3 | 10K | 10k | ||
| R4 | 1K | 1k | ||
| R5 | 10K | 10k | ||
| R6 | 470 | 470 | ||
| R7 | 1K | 1k | ||
| R8 | 1K | 1k | ||
| R9 | 619 | 619 | ||
| R10 | 619 | 619 | ||
| R11 | 10K | 10k | ||
| R12 | 1K5 | 1.5k | ||
| R13 | 10K | 10k | ||
| R14 | 4K7 | 4.7k | ||
| R100 | 4K7 | 4.7k | ||
| R101 | 47K | 47k | ||
| R102 | 47K | 47k | ||
| Capacitors 5 | ||||
| C1 | 4u7 | 4.7u | ||
| C2 | 10n | 10n | ||
| C3 | 1u | 1u | ||
| C100 | 47u | 47u | ||
| C101 | 4u7 | 4.7u | ||
| Diodes 3 | ||||
| D2 | 1N4148 | 1N4148 | ||
| D3 | 1N4148 | 1N4148 | ||
| D100 | 1N5817 | 1N5817 | ||
| ICs 3 | ||||
| IC1 | LF353N | LF353N | ||
| IC2 | LF353N | LF353N | ||
| U1 | VTL5C10 | VTL5C10 | ||
| Potentiometers 2 | ||||
| LEVEL | A20K | A20k | Potentiometer | |
| COMPRESS | A20K | A20k | Potentiometer | |
| Trimmers 1 | ||||
| TRIM | 10K | 10k | Trimmer | |
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