125B · 7 knobs
From the vendor
Controls
• Level 1
• Level 2
• Level 3
• Master
• Phase 1 (Toggle switch)
• Phase 2 (Toggle switch)
• Phase 3 (Toggle switch)
Details
• Designed for a 125B enclosure
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 42 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 18 | ||||
| R1 | 470K | 470k | Resistor, 1/4W | |
| R2 | 10K | 10k | Resistor, 1/4W | |
| R3 | 10K | 10k | Resistor, 1/4W | |
| R4 | 1M | 1M | Resistor, 1/4W | |
| R5 | 10K | 10k | Resistor, 1/4W | |
| R6 | 10K | 10k | Resistor, 1/4W | |
| R7 | 10K | 10k | Resistor, 1/4W | |
| R8 | 10K | 10k | Resistor, 1/4W | |
| R9 | 10K | 10k | Resistor, 1/4W | |
| R10 | 10K | 10k | Resistor, 1/4W | |
| R11 | 10K | 10k | Resistor, 1/4W | |
| R12 | 10K | 10k | Resistor, 1/4W | |
| R13 | 10K | 10k | Resistor, 1/4W | |
| R14 | 10K | 10k | Resistor, 1/4W | |
| R100 | 10R | 10 | Resistor, 1/4W | |
| R101 | 100K | 100k | Resistor, 1/4W | |
| R102 | 100K | 100k | Resistor, 1/4W | |
| CLR | 4K7 | 4.7k | Resistor, 1/4W | * LED current limiting resistor |
| Capacitors 12 | ||||
| C1 | 1u | 1u | Film capacitor, 7.2 x 5.0mm | |
| C2 | 1u | 1u | Film capacitor, 7.2 x 5.0mm | |
| C3 | 1u | 1u | Film capacitor, 7.2 x 5.0mm | |
| C4 | 1u | 1u | Film capacitor, 7.2 x 5.0mm | |
| C5 | 100p | 100p | Ceramic capacitor | |
| C6 | 100p | 100p | Ceramic capacitor | |
| C7 | 100p | 100p | Ceramic capacitor | |
| C8 | 100p | 100p | Ceramic capacitor | |
| C9 | 100p | 100p | Ceramic capacitor | |
| C10 | 100p | 100p | Ceramic capacitor | |
| C100 | 100u | 100u | Electrolytic capacitor, 5mm | |
| C101 | 10u | 10u | Electrolytic capacitor, 5mm | |
| Diodes 1 | ||||
| D100 | 1N5817 | 1N5817 | Schottky diode, DO-41 | |
| ICs 4 | ||||
| IC1 | TL072 | TL072 | Dual op-amp, DIP8 | |
| IC2 | TL072 | TL072 | Dual op-amp, DIP8 | |
| IC3 | TL072 | TL072 | Dual op-amp, DIP8 | |
| IC4 | TL072 | TL072 | Dual op-amp, DIP8 | |
| Potentiometers 4 | ||||
| LEVEL1 | A100K | A100k | 16mm right-angle PCB mount pot | |
| LEVEL2 | A100K | A100k | 16mm right-angle PCB mount pot | |
| LEVEL3 | A100K | A100k | 16mm right-angle PCB mount pot | |
| MASTER | A500K | A500k | 16mm right-angle PCB mount pot | |
| Switches 3 | ||||
| PHASE1 | ON/ON | ON/ON | Toggle switch, SPDT | 2-position (ON/ON) |
| PHASE2 | ON/ON | ON/ON | Toggle switch, SPDT | 2-position (ON/ON) |
| PHASE3 | ON/ON | ON/ON | Toggle switch, SPDT | 2-position (ON/ON) |