125B · 4 knobs
PedalPCB· PCB432
Topographer Distortion
Based on the Intersound IVP Tube Voice Distortion· 3 other boards clone it
- Category
- Fuzz· OD / Distortion / Fuzz
- Price
- $12.00in stock
From the vendor
Controls
• Level
• Gain
• Bass
• Treble
Details
• Designed for a 125B enclosure with top-mounted jacks
Schematic
The schematic is in the vendor's build document, page 3. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 47 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 22 | ||||
| R1 | 1M | 1M | Resistor, 1/4W | |
| R2 | 1K | 1k | Resistor, 1/4W | |
| R3 | 470K | 470k | Resistor, 1/4W | |
| R4 | 47K | 47k | Resistor, 1/4W | |
| R5 | 10K | 10k | Resistor, 1/4W | |
| R6 | 3K3 | 3.3k | Resistor, 1/4W | |
| R7 | 4K7 | 4.7k | Resistor, 1/4W | |
| R8 | 3K3 | 3.3k | Resistor, 1/4W | |
| R9 | 4K7 | 4.7k | Resistor, 1/4W | |
| R10 | 220K | 220k | Resistor, 1/4W | |
| R11 | 10K | 10k | Resistor, 1/4W | |
| R12 | 4K7 | 4.7k | Resistor, 1/4W | |
| R13 | 4K7 | 4.7k | Resistor, 1/4W | |
| R14 | 10K | 10k | Resistor, 1/4W | |
| R15 | 1K | 1k | Resistor, 1/4W | |
| R16 | 47R | 47 | Resistor, 1/4W | |
| R17 | 47K | 47k | Resistor, 1/4W | |
| R18 | 470K | 470k | Resistor, 1/4W | |
| R19 | 10K | 10k | Resistor, 1/4W | |
| R20 | 10K | 10k | Resistor, 1/4W | |
| R21 | 1K | 1k | Resistor, 1/4W | |
| R100 | 4K7 | 4.7k | Resistor, 1/4W | * LED current limiting resistor |
| Capacitors 13 | ||||
| C1 | 47n | 47n | Film capacitor, 7.2 x 2.5mm | |
| C2 | 47p | 47p | Ceramic capacitor | |
| C3 | 470p | 470p | Ceramic capacitor | |
| C4 | 47n | 47n | Film capacitor, 7.2 x 2.5mm | |
| C5 | 100p | 100p | Ceramic capacitor | |
| C6 | 10u | 10u | Electrolytic capacitor, 5mm | |
| C7 | 2n2 | 2.2n | Film capacitor, 7.2 x 2.5mm | |
| C8 | 10u | 10u | Electrolytic capacitor, 5mm | |
| C100 | 100u | 100u | Electrolytic capacitor, 5mm | |
| C101 | 100n | 100n | Film capacitor, 7.2 x 2.5mm | |
| C102 | 10u | 10u | Electrolytic capacitor, 5mm | |
| C103 | 100u | 100u | Electrolytic capacitor, 5mm | |
| C104 | 100n | 100n | Film capacitor, 7.2 x 2.5mm | |
| Diodes 1 | ||||
| D100 | 1N5817 | 1N5817 | Schottky diode, DO-41 | |
| Transistors 3 | ||||
| Q1 | 2N5210 | 2N5210 | BJT transistor, NPN TO-92 | |
| Q2 | 2N5210 | 2N5210 | BJT transistor, NPN TO-92 | |
| Q3 | 2N5210 | 2N5210 | BJT transistor, NPN TO-92 | |
| ICs 3 | ||||
| IC1 | TL072 | TL072 | Dual op-amp, DIP8 | |
| IC2 | TL072 | TL072 | Dual op-amp, DIP8 | |
| IC100 | TC1044SCPA | TC1044SCPA | Charge pump IC, DIP8 | |
| Transformers 1 | ||||
| XFM1 | 42TL218RC | 42TL218RC | Audio Transformer | 10KCT/10KCT |
| Potentiometers 4 | ||||
| LEVEL | A100K | A100k | 16mm right-angle PCB mount pot | |
| GAIN | A50K | A50k | 16mm right-angle PCB mount pot | |
| TREBLE | B50K | B50k | 16mm right-angle PCB mount pot | |
| BASS | B50K | B50k | 16mm right-angle PCB mount pot | |
Other boards based on the Intersound IVP Tube Voice Distortion
- IVP Preamp Aion FX · 1590DD · $24.00
- Isotope Aion FX · 125B · $12.50
- Intersound IVP Tube Voice / Aion Isotope Dirtbox Layouts