125B · 5 knobs
PedalPCB· PCB427
FreakZEQ
Based on the Spontaneous Audio Devices Son of Kong
- Category
- EQ / Filter
- Controls
- Volume · Gain · Freq · Q · Bass/Treble
- Price
- $12.00in stock
From the vendor
Controls
• Volume
• Gain
• Freq
• Q
• Bass/Treble (Toggle switch)
Specifications
• Designed for a 125B enclosure with top-mounted jacks
Documentation
Schematic
The schematic is in the vendor's build document, page 4. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 50 rows
Report a wrong parse| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 26 | ||||
| R1 | 47R | 47 | Resistor, 1/4W | |
| R2 | 1M5 | 1.5M | Resistor, 1/4W | |
| R3 | 10K | 10k | Resistor, 1/4W | |
| R4 | 100K | 100k | Resistor, 1/4W | |
| R5 | 10K | 10k | Resistor, 1/4W | |
| R6 | 10K | 10k | Resistor, 1/4W | |
| R7 | 1K3 | 1.3k | Resistor, 1/4W | |
| R8 | 10K | 10k | Resistor, 1/4W | |
| R9 | 10K | 10k | Resistor, 1/4W | |
| R10 | 10K | 10k | Resistor, 1/4W | |
| R11 | 4K7 | 4.7k | Resistor, 1/4W | |
| R12 | 10K | 10k | Resistor, 1/4W | |
| R13 | 18K | 18k | Resistor, 1/4W | |
| R14 | 8K2 | 8.2k | Resistor, 1/4W | |
| R15 | 2K2 | 2.2k | Resistor, 1/4W | |
| R16 | 215R | 215 | Resistor, 1/4W | |
| R17 | 287R | 287 | Resistor, 1/4W | |
| R18 | 24K3 | 24.3k | Resistor, 1/4W | |
| R19 | 2K2 | 2.2k | Resistor, 1/4W | |
| R20 | 8K2 | 8.2k | Resistor, 1/4W | |
| R21 | 47R | 47 | Resistor, 1/4W | |
| R22 | 18K | 18k | Resistor, 1/4W | |
| R100 | 4K7 | 4.7k | Resistor, 1/4W | |
| R101 | 47R | 47 | Resistor, 1/4W | |
| R102 | 100K | 100k | Resistor, 1/4W | |
| R103 | 100K | 100k | Resistor, 1/4W | |
| Capacitors 15 | ||||
| C1 | 4u7 | 4.7u | Electrolytic capacitor, 5mm | |
| C2 | 56p | 56p | Ceramic capacitor | |
| C3 | 3u3 | 3.3u | Electrolytic capacitor, 5mm | |
| C4 | 220p | 220p | Ceramic capacitor | |
| C5 | 100u | 100u | Electrolytic capacitor, 5mm | |
| C6 | 10u | 10u | Electrolytic capacitor, 5mm | |
| C7 | 60p | 60p | Ceramic capacitor | |
| C8 | 3n9 | 3.9n | Film capacitor, 7.2 x 2.5mm | |
| C9 | 15n | 15n | Film capacitor, 7.2 x 2.5mm | |
| C10 | 3n9 | 3.9n | Film capacitor, 7.2 x 2.5mm | |
| C11 | 15n | 15n | Film capacitor, 7.2 x 2.5mm | |
| C100 | 100u | 100u | Electrolytic capacitor, 5mm | |
| C101 | 100n | 100n | Film capacitor, 7.2 x 2.5mm | |
| C102 | 10u | 10u | Electrolytic capacitor, 5mm | |
| C103 | 100n | 100n | Film capacitor, 7.2 x 2.5mm | |
| Diodes 1 | ||||
| D100 | 1N5817 | 1N5817 | Schottky diode, DO-41 | |
| ICs 3 | ||||
| IC1 | TL072 | TL072 | Dual op-amp, DIP8 | |
| IC2 | TL072 | TL072 | Dual op-amp, DIP8 | |
| IC3 | TL072 | TL072 | Dual op-amp, DIP8 | |
| Potentiometers 4 | ||||
| VOLUME | A20K | A20k | 16mm right-angle PCB mount pot | |
| GAIN | B10K | B10k | 16mm right-angle PCB mount pot | |
| FREQ | B10K DUAL | B10K DUAL | 16mm right-angle PCB mount pot | Dual Ganged Potentiometer |
| Q | B10K | B10k | 16mm right-angle PCB mount pot | |
| Switches 1 | ||||
| BASSTREB | DPDT | DPDT | Toggle switch, DPDT | 2-position (ON/ON) |