Boost (Preamp / booster / harmonic enhancer)
The Mad Professor Simble Predriver is an analog preamp / booster / harmonic enhancer pedal, with HOT/COOL switch controls, made in Taiwan.
| Category | Boost (Preamp / booster / harmonic enhancer) |
| Signal | Analog |
| Controls | HOT/COOL switch |
| Switches | HOT/COOL boost switch |
| Footswitches | 1 |
| I/O | mono in/out |
| Power | 9V DC |
| Power draw | 2 mA |
| Battery power | Yes |
| Country of manufacture | Taiwan |