Modulation (6-stage OTA phaser) · $225
The Gremlin Machine Shop Crystal Ball is an analog 6-stage OTA phaser pedal based on the OTA phase shifter, with Power (intensity), Time (rate), Rezon (resonance) controls, made in USA. From $225.
| Category | Modulation (6-stage OTA phaser) |
| Circuit / based on | OTA phase shifter |
| Signal | Analog |
| Controls | Power (intensity), Time (rate), Rezon (resonance) |
| Switches | Mode toggle (even / odd stages), Filter toggle (bandpass / lowpass) |
| Footswitches | 1 |
| Country of manufacture | USA |