Aurras Optical Vibraphase is a 2-stage asymmetric phase shifter built around a pair of selected and individually controlled opto-isolators offering a clearer signal with minimal distortion while simultaneously isolating the audio path from any possible LFO interference. With its dual LFOs, expression pedal input, adjustable dry mix control, and offset combined with Speed, Depth and Level knobs, Aurras transcends eras with a rich tapestry of intriguing, lush liquid soundscapes. While the Aurras features a 100% analog audio path from input to output, it takes advantage of precise digital controls, offering soft-touch relay-based true bypass switching, on-board tap tempo and speed ramping. Main Features: • Optical Phase-Shifter effects pedal. • 100% analog audio path from input to output. • 2-stage asymmetric phase shifter built around a pair of selected and individually controlled opto-isolators. • Dry Mix for tones and textures ranging from soft Vibrato to lush Uni-Vibe like sounds. • Dual LFO setup powered by a microprocessor. • Frequency Offset mode: adds rhythmic patterns by slowing down the second LFO. • Phase Offset mode: fine-tunes the throb by introducing asymmetry between the LFOs. • On-board tap tempo, speed ramping and expression pedal input. • Soft-touch relay-based True bypass switching. • Hand-made in Montreal, Canada.