125B · 6 knobs
PedalPCB· PCB021
Tommy III
Based on the Paul Cochrane Timmy· 17 other boards clone it
- Category
- Fuzz· OD / Distortion / Fuzz
- Price
- $12.00in stock
- Tags
- 125B
From the vendor
Overview
The Tommy is inspired by one of the original boutique pedals that kick started the pedal craze. From clean boost to light overdrive, this little beauty can be an always-on tone shaper or used to boost an amp into overdrive.
Controls
• Volume – Control the amount of output signal
• Gain – Control the amount of signal gain
• Bass – Adjusts the level of bass frequency cut
• Treble – Adjusts the level of treble frequency cut
• Gain Range (Toggle) – Shifts the range of gain available with the Gain control
• Mode (Internal switch) – Toggles between Symmetrical / Asymmetrical clipping
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 36 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 13 | ||||
| R1 | 1M | 1M | ||
| R2 | 1M | 1M | ||
| R3 | 3K3 | 3.3k | ||
| R4 | 3K3 | 3.3k | ||
| R5 | 18K | 18k | ||
| R6 | 3K3 | 3.3k | ||
| R7 | 3K3 | 3.3k | ||
| R8 | 8K2 | 8.2k | ||
| R9 | 10K | 10k | ||
| R10 | 4K7 | 4.7k | ||
| R11 | 2K2 | 2.2k | ||
| R12 | 360R | 360 | ||
| R13 | 2K2 | 2.2k | ||
| Capacitors 11 | ||||
| C1 | 39n | 39n | ||
| C2 | 100p | 100p | ||
| C3 | 39n | 39n | ||
| C4 | 820n | 820n | ||
| C5 | 6n8 | 6.8n | ||
| C6 | 820n | 820n | ||
| C7 | 47u | 47u | ||
| C8 | 47u | 47u | ||
| C9 | 220n | 220n | ||
| C10 | 100p | 100p | ||
| C11 | 6n8 | 6.8n | ||
| Diodes 5 | ||||
| D1 | 1N4148 | 1N4148 | ||
| D2 | 1N4148 | 1N4148 | ||
| D3 | 1N4148 | 1N4148 | ||
| D4 | 1N4148 | 1N4148 | ||
| D7 | 1N5817 | 1N5817 | ||
| ICs 1 | ||||
| IC1 | LM1458N | LM1458N | ||
| Potentiometers 4 | ||||
| VOL | A25K | A25k | Potentiometer | |
| GAIN | A500K | A500k | Potentiometer | |
| BASS | C50K | C50k | Potentiometer | |
| TREBLE | C50K | C50k | Potentiometer | |
| Switches 2 | ||||
| SW1 | SPDT | SPDT | ||
| SW2 | DPDT | DPDT | ||
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