Modulation (Optical tremolo (FTB stompbox)) · $87
The George Dennis GD220 Tremolo FTB is an analog optical tremolo (FTB stompbox) pedal based on the Optical tremolo, with Speed, Symmetry, Depth, Level controls, made in Czech Republic. From $87.
| Category | Modulation (Optical tremolo (FTB stompbox)) |
| Circuit / based on | Optical tremolo |
| Signal | Analog |
| Controls | Speed, Symmetry, Depth, Level |
| Footswitches | 1 |
| Bypass | True bypass |
| True bypass | Yes |
| I/O | Mono in/out |
| Power | 9V DC |
| Battery power | Yes |
| Country of manufacture | Czech Republic |