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AURRAS Dual LFO 2-stage Assymetric Phase Shifter

February 23, 2024

The AURRAS Optical Vibraphase by SolidGoldFX is a powerful effects pedal named after the goddess of sound that meets the legacy of its predecessor the Athena Vibraphase in a harmonious blend of legendary, vintage Uni-Vibe textures and innovative, modern prowess.

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.

The dual LFO setup, powered by a microprocessor, provides limitless sonic flexibility. Drawing inspiration from albums such as Band of Gypsys or the Dark Side of the Moon, the AURRAS delivers the lush modulation and heavy pulse that have shaped Rock & Roll history.

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, providing limitless sonic flexibility
2 modes for increased versatility – Frequency Offset – adds rhythmic patterns by slowing down the second LFO, Phase Offset – 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
Powered by a regular 9V DC PSU (centre -, 2,1 mm, 25 mA current draw at 9V).

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.

You can also ramp down your LFO speed by simply holding down the Bypass Footswitch. This will automatically decrease your speed to half. Repeat this process as many times as you’d like to achieve the desired speed.

AURRAS runs on a pair of opto-isolators each operating on an independent LFO. While most Phaser or Modulation pedals use a single LFO to create their effect, independent LFOs can open a new array of effects by offsetting their symmetry.

The OFFSET ADJ knob and OFFSET MODE FREQ|PHASE knobs work in tandem. For a more conventional effect, turn the OFFSET ADJ mode fully counterclockwise, allowing both LFOs to be in sync with no offset. The FREQUENCY OFFSET adds rhythmic patterns by slowing down the second LFO, while the PHASE OFFSET fine-tunes the throb by introducing asymmetry between the LFOs.

GBP ERP: £189.00 – Available: Now