125B · 6 knobs
PedalPCB· PCB001
Thermionic Distortion
- Category
- Distortion
- Controls
- Bass · Treble · Presence · Volume · Gain · Tight
- Price
- $10.00in stock
- Tags
- 125B, 125B 6-Knob (Type 1)
From the vendor
PedalPCB Thermionic Distortion
The Thermionic Distortion provides searing British-flavored high gain tones through any amp.
Pedalboard friendly design, 125B footprint with top-mounted jacks.
Controls
• Bass – Controls the bass frequencies
• Treble – Controls the treble frequencies
• Presence – Controls the upper mid-range frequencies
• Volume – Controls the output volume
• Gain – Controls the amount of gain
• Tight – Controls the pre-gain low end frequencies
Specifications
• Updated layout using 1/4W resistors
• 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 62 rows
Report a wrong parse| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 23 | ||||
| R1 | 1M | 1M | ||
| R2 | 470K | 470k | ||
| R3 | 10K | 10k | ||
| R4 | 22K | 22k | ||
| R5 | 39K | 39k | ||
| R7 | 4.7K | 4.7k | ||
| R8 | 10K | 10k | ||
| R9 | 22K | 22k | ||
| R10 | 22K | 22k | ||
| R11 | 22K | 22k | ||
| R12 | 22K | 22k | ||
| R13 | 220K | 220k | ||
| R14 | 10K | 10k | ||
| R15 | 10K | 10k | ||
| R18 | 2.2K | 2.2k | ||
| R19 | 33K | 33k | ||
| R20 | 33K | 33k | ||
| R21 | 10K | 10k | ||
| R30 | 10Ω | 10 | ||
| R31 | 4.7K | 4.7k | ||
| R32 | 10K | 10k | ||
| R33 | 10K | 10k | ||
| R34 | 2K2 | 2.2k | ||
| Capacitors 20 | ||||
| C1 | 22n | 22n | ||
| C2 | 47p | 47p | ||
| C3 | 10n | 10n | ||
| C4 | 1n | 1n | ||
| C5 | 100n | 100n | ||
| C6 | 100n | 100n | ||
| C7 | 100n | 100n | ||
| C8 | 100n | 100n | ||
| C9 | 47p | 47p | ||
| C10 | 100n | 100n | ||
| C11 | 47n | 47n | ||
| C12 | 120p | 120p | ||
| C13 | 100p | 100p | ||
| C14 | 10n | 10n | ||
| C15 | 4.7n | 4.7n | ||
| C16 | 22n | 22n | ||
| C17 | 220n | 220n | ||
| C18 | 220n | 220n | ||
| C20 | 100u | 100u | ||
| C25 | 22u | 22u | ||
| Diodes 5 | ||||
| D1 | 1N5817 | 1N5817 | ||
| D2 | 1N4148 | 1N4148 | ||
| D3 | 1N4148 | 1N4148 | ||
| D4 | 1N4148 | 1N4148 | ||
| D5 | 1N4148 | 1N4148 | ||
| ICs 3 | ||||
| IC1 | TL072 | TL072 | ||
| IC2 | TL072 | TL072 | ||
| IC3 | TL072 | TL072 | ||
| Potentiometers 5 | ||||
| GAIN | B1M | B1M | Potentiometer | |
| BASS | C100K | C100k | Potentiometer | |
| TIGHT | C100K | C100k | Potentiometer | |
| TREBLE | B100K | B100k | Potentiometer | |
| VOLUME | A50K | A50k | Potentiometer | |
| Trimmers 1 | ||||
| TRIM | 100K | 100k | Trimmer | |
| LEDs 5 | ||||
| LED1 | 3mm | 3MM | ||
| LED2 | 3mm | 3MM | ||
| LED3 | 3mm | 3MM | ||
| LED4 | 3mm | 3MM | ||
| LED5 | 3mm | 3MM | ||