Modulation (Optical Tremolo) · $99.99
The Walrus Audio Fundamental Tremolo is an analog optical Tremolo pedal based on the Optical tremolo (Sine / Square/other waveforms via 3-way switch), with Rate, Depth, Volume controls, made in USA. From $99.99.
| Category | Modulation (Optical Tremolo) |
| Circuit / based on | Optical tremolo (Sine / Square/other waveforms via 3-way switch) |
| Signal | Analog |
| Controls | Rate, Depth, Volume |
| Switches | 3-way mode slide switch (3 LFO waveforms incl. Sine) |
| Footswitches | 1 |
| Bypass | True bypass |
| True bypass | Yes |
| I/O | Mono in / mono out (1/4 in) |
| Power | 9V DC (center-negative) |
| Power draw | 100 mA |
| Enclosure | Compact |
| Dimensions | 4.33 x 2.16 x 1.61 in (110 x 54.9 x 40.9 mm) |
| Country of manufacture | USA |