125B · 4 knobs
From the vendor
Controls
• Volume
• Sustain
• Treble
• Bass
Specifications
• Designed for a 125B enclosure with top-mounted jacks
Downloads
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 48 rows
Report a wrong parse| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 24 | ||||
| R1 | 1M | 1M | ||
| R2 | 4K7 | 4.7k | ||
| R3 | 100K | 100k | ||
| R4 | 470K | 470k | ||
| R5 | 12K | 12k | ||
| R6 | 390R | 390 | ||
| R7 | 220R | 220 | ||
| R8 | 100K | 100k | ||
| R9 | 470K | 470k | ||
| R10 | 12K | 12k | ||
| R11 | 390R | 390 | ||
| R12 | 100K | 100k | ||
| R13 | 470K | 470k | ||
| R14 | 12K | 12k | ||
| R15 | 390R | 390 | ||
| R16 | 10K | 10k | ||
| R17 | 10K | 10k | ||
| R18 | 33K | 33k | ||
| R19 | 10K | 10k | ||
| R20 | 2M2 | 2.2M | ||
| R21 | 4K7 | 4.7k | ||
| R22 | 150R | 150 | ||
| R23 | 330R | 330 | ||
| R24 | 150R | 150 | ||
| Capacitors 15 | ||||
| C1 | 47u | 47u | ||
| C2 | 100n | 100n | ||
| C3 | 470p | 470p | ||
| C4 | 100n | 100n | ||
| C5 | 100n | 100n | ||
| C6 | 470p | 470p | ||
| C7 | 10n | 10n | ||
| C8 | 470p | 470p | ||
| C9 | 4u7 | 4.7u | ||
| C10 | 2n2 | 2.2n | ||
| C11 | 22n | 22n | ||
| C12 | 2n2 | 2.2n | ||
| C13 | 4u7 | 4.7u | ||
| C14 | 47u | 47u | ||
| C15 | 1u | 1u | ||
| Diodes 1 | ||||
| D1 | 1N5817 | 1N5817 | ||
| Transistors 4 | ||||
| Q1 | BC549C | BC549C | ||
| Q2 | BC549C | BC549C | ||
| Q3 | BC549C | BC549C | ||
| Q4 | BC549C | BC549C | ||
| Potentiometers 4 | ||||
| VOLUME | A100K | A100k | Potentiometer | |
| SUSTAIN | A100K | A100k | Potentiometer | |
| BASS | B100K | B100k | Potentiometer | |
| TREBLE | B100K | B100k | Potentiometer | |