The Warm Audio Mutation Phasor II Electro-Optical Phase-Shifting Effect Pedal is an exact replica of a legendary 1970s phaser circuit, bringing back the deep, swirling phase-shifting effects favored by iconic musicians. This all-analog pedal is built with high-quality components to deliver the true vintage vibe, perfect for guitar, bass, keys, and more.

Classic Sounds, Modern Performance
Capture the rich, psychedelic tones used by Billy Corgan, Robin Trower, and other music legends.
All-analog design delivers the warmth and character of the original phaser.
Unlike vintage pedals, the Mutation Phasor II is affordable and readily available.

Unleash Your Inner Soundscape Architect
Shape your sound with precise control over Depth, Speed, and Feedback.
The Depth knob controls the width of the phase sweep, creating subtle warbles or dramatic swirls.
Adjust the Speed for a slow, hypnotic wobble or a rapid, pulsating effect.
Increase the Feedback for a more intense, swirling phase with emphasis on the sweeps.

Built to Inspire
Housed in a rugged steel case for years of reliable use.
High-quality components like classic RC4558P op-amps and film capacitors ensure pure analog tone.

Technical Specifications

Electro-Optical Phase-Shifting Pedal With Feedback Circuit
Premium Components, Including RC4558P Op-Amps, Various Vintage-Style Diodes, And Hand-Selected Film Capacitors & Carbon Resistors
Buffered Bypass
9-Volt Battery Or External 9V Regulated DC Adapter (Center-Negative)
Phasing Rate
.1Hz - 18Hz
Controls
Rate, Depth, And Feedback
Frequency Response
20Hz - 20KHz
Min Feedback
4V RMS, 11.2V Peak-To-Peak | Max Feedback: 2V RMS, 5.6V Peak-To-Peak
Current Draw
150 MA