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Base pedal: Engineer's Thumb Compressor
Based on the Valve Wizard Engineer's Thumb, an OTA-based compressor using feed-forward design with LM13700 for reduced noise and improved headroom, offering full 5-knob control.
Component Name | Type | Default Part | Qty |
|---|---|---|---|
| 33R | RESISTOR | MFR-25-33R | 1 |
| 100R | RESISTOR | MFR-25-100R | 1 |
| 220R | RESISTOR | MFR-25-220R | 3 |
| 1K | RESISTOR | 4 | |
| 4K7 | RESISTOR | 2 | |
| 10K | RESISTOR | 4 | |
| 100K | RESISTOR | 4 | |
| 220K | RESISTOR | 1 | |
| 1M | RESISTOR | 1 | |
| 2M2 | RESISTOR | 1 | |
| 100p MLCC | CAPACITOR | 1 | |
| 4n7 Film | CAPACITOR | 1 | |
| 10n Film | CAPACITOR | 1 | |
| 100n MLCC | CAPACITOR | 1 | |
| 1u Electrolytic | CAPACITOR | ELECTRO-16V-1U | 2 |
| 1u Film | CAPACITOR | 1 | |
| 10u Electrolytic | CAPACITOR | ELECTRO-16V-10U | 1 |
| 100u Electrolytic | CAPACITOR | ELECTRO-16V-100U | 1 |
| LM13700 | IC | LM13700 | 1 |
| TL072 | IC | TL072 | 2 |
| 2N3906 | TRANSISTOR | 2N3906 | 1 |
| 1N5817 | DIODE | 1N5817 | 1 |
| 1N914 | DIODE | 1N914 | 2 |
| 3mm Red | LED | LED-3MM-DIFFUSED-RED | 2 |
| 5mm Red | LED | 1 | |
| A10K 16mm | POTENTIOMETER | A10K-16MM | 2 |
| B500K 16mm | POTENTIOMETER | 1 | |
| A1M 16mm | POTENTIOMETER | A1M-16MM | 1 |
| B1M 16mm | POTENTIOMETER | B1M-16MM | 1 |
| 3PDT Stomp | SWITCH | 1 | |
| SPDT ON/ON | SWITCH | 1 | |
| DIP-16 Socket | SOCKET | SOCKET-DIP-16 | 1 |
| DIP-8 Socket | SOCKET | SOCKET-DIP-8 | 2 |
| 125B | ENCLOSURE | 1 | |
| 9V Battery Snap | CONNECTOR | BATTERY-SNAP-9V | 1 |
| Jack 1/4" TR | JACK | 1 | |
| Jack 1/4" TRS | JACK | 1 | |
| Jack 2.1mm DC | JACK | 1 |