125B · 4 knobs
PedalPCB· PCB244
Zapper
Based on the Systech Harmonic Energizer· 6 other boards clone it
- Category
- EQ / Filter
- Price
- $8.00in stock
- Tags
- 125B, 125B 4-Knob (Type 1)
From the vendor
Controls
• Volume
• Gain
• Frequency
• Bandwidth
Details
• Designed for a 125B enclosure with top-mounted jacks
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 35 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 16 | ||||
| R1 | 1K | 1k | ||
| R2 | 1M | 1M | ||
| R3 | 1M | 1M | ||
| R4 | 22K | 22k | ||
| R5 | 27K | 27k | ||
| R6 | 5K1 | 5.1k | ||
| R7 | 1K | 1k | ||
| R8 | 1K | 1k | ||
| R10 | 10K | 10k | ||
| R11 | 20K | 20k | ||
| R12 | 2K2 | 2.2k | ||
| R13 | 510R | 510 | ||
| R14 | 100K | 100k | ||
| R100 | 4K7 | 4.7k | ||
| R101 | 10K | 10k | ||
| R102 | 10K | 10k | ||
| Capacitors 12 | ||||
| C1 | 2n2 | 2.2n | ||
| C2 | 10u | 10u | ||
| C3 | 47n | 47n | ||
| C4 | 10u | 10u | ||
| C5 | 10u | 10u | ||
| C6 | 100n | 100n | ||
| C7 | 47n | 47n | ||
| C8 | 10u | 10u | ||
| C9 | 10u | 10u | ||
| C100 | 100u | 100u | ||
| C101 | 100n | 100n | ||
| C102 | 10u | 10u | ||
| Diodes 1 | ||||
| D100 | 1N5817 | 1N5817 | ||
| ICs 2 | ||||
| IC1 | TL072 | TL072 | ||
| IC2 | TL074 | TL074 | ||
| Potentiometers 4 | ||||
| VOL | A100K | A100k | Potentiometer | |
| GAIN | A50K | A50k | Potentiometer | |
| FREQ | A50K | A50k | Potentiometer | |
| BW | B5K | B5k | Potentiometer | |
Other boards based on the Systech Harmonic Energizer
- Parsec Aion FX · 125B · $12.50
- Systech Harmonic Energizer Dirtbox Layouts
- Harmonic Energiser Fuzz Dog · 1590B · £27.60
- Harmonic Stimulant PCB Guitar Mania · €9.90
- YCDTOPA Sheepylove · €10.00
- Systech Harmonic Energizer Tagboard Effects · 1590B