S9Fx AURRAS Optical Vibraphase Owner’s Manual
- June 1, 2024
- S9Fx
Table of Contents
S9Fx AURRAS Optical Vibraphase
ABOUT AURRAS OPTICAL VIBRAPHASE
Named after the goddess of sound, the Aurras Optical Vibraphase meets the
legacy of its predecessor, the Athena, in a harmonious blend of legendary,
vintage Uni-Vibe textures and innovative, modern prowess.
Aurras is a 2-stage asymmetric phase shifter built around a pair of selected
and individually controlled opto-isolators, which offer 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 the “Band Of Gypsies” or
the “Dark Side Of The Moon,” the Aurras delivers the lush modulation and heavy
pulse that have shaped Rock & Roll history.
COMPREHENSIVE. TONE-SHAPING CONTROLS
With its dual LFOs, expression pedal input, adjustable DRY MIX control and OFFSET MODES, in addition to the more common SPEED, DEPTH, and L.EVEL knobs, Aurras transcends eras with a rich tapestry of intriguing lush, liquid soundscapes.
ANALOG HEART / DIGITAL BRAIN
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.
Set your effect speed with the SPEED knob, expression pedal, tap tempo, or by
using the RAMP function. You can ramp up your LFO speed by simply holding down
the TAP TEMPO footswitch, which will automatically ramp up to double your
speed. You can 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.
LET’S TALK ABOUT THE LFO OFFSET
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 I PHASE switch 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.
With the OFFSET MODE FREQ I PHASE switched to the right, the OFFSET ADJ knob changes the phase of the LFOs, increasing the space between the phase stages. This translates into a deeper, swirling tone with an almost zero effect at heavier settings.
With the OFFSET MODE FREQ I PHASE switched to the left, the OFFSET ADJ knob
decreases the frequency or the speed of the first phase stage versus the
second stage.
As the speed of the two LFOs differs, interesting rhythmic patterns can be
achieved within the phaser.
CONTROLS AND FEATURES
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SPEED: Sets the LFO’s speed between 0.1-1 0Hz. The speed can also be manipulated by using an expression pedal.
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DEPTH: This knob adjusts the size of the sweep. When set fully counter-clockwise, the Aurras enters into Manual Mode, where the phase can be swept with the SPEED knob. In Manual Mode, you can either set it and forget it, using the Aurras as a fixed filter or plug in an expression pedal for wah-like effects. Remember to adjust your DRY MIX to find the perfect resonance or intensity.
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LEVEL: Sets the overall output level of the effect.
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DRY Sets the amount of dry signal mixed in.
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MIX: Reducing the dry mix creates a vibrato effect.
Increasing the dry mix creates a deeper phasing/Uni-Vibe sound. -
OFFSET This knob is linked to the offset mode switch.
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ADJUST: See WHAT IS LFO OFFSET? for more details.
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OFFSET MODE: Selects Frequency or Phase Offset Mode for LFO2.
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TAP: Sets the LFO speed by averaging consecutive taps. (RAMP UP): Hold this switch to ramp up to double your speed.
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BYPASS: Turn the effect on or off by tapping. (RAMP DOWN): Hold this switch to ramp down to half your speed.
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EXP Optional expression pedal input to control speed.
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TRS cable required-10K-50K recommended.
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POWER: 9V0c·25 MA
IMPORTANT: IMPROPER USE OF POWER SUPPLY WILL VOID WARRANTY!
TRY OUR SETTING
CLASSIC VIBE
The CLASSIC VIBE setting aims to dial in a Uni-Vibe-style modulation, with a lush sweep and deep, throbbing pulse. Increase the DRY MIX for a deeper pulse. You can also set the OFFSET MODE to PHASE and increase the OFFSET ADJ knob for a more throbbing feel. Plug in your expression pedal for an extra layer of fun!
DEEP CUTS
The DEEP CUTS setting is similar to the CLASSIC VIBE set- ting but uses the
PHASE OFFSET MODE to offset the phase between LFO1 and LFO2-creating a wider
throbbing pulse with an almost through-zero effect in the center of the sweep.
DUAL MODULATOR
The DUAL MODULATOR setting takes advantage of the FREQ OFFSET MODE to change
the speed of LFO2. You get two different phase stages each modulating at a
different rate, creating an out of sync rhythmic pattern.
PHASE VIBRATO
The PHASE VIBRATO setting, dials back the DRY MIX, thus minimizing phase
cancellation for a vibrato-like effect. Bump up the LEVEL knob slightly to
compensate for the recduced DRY MIX. Adjust the SPEED and DEPTH to your
preference, and feel free to experiment with the OFFSET ADJ settings.
WARRANTY INFORMATION
Each SolidGoldFX product comes with a limited three-year warranty from its original date of purchase indicated on the receipt. All product(s) covered by the warranty will be repaired free of charge if an issue such as product failure resulting from defective parts and/or faulty workmanship. The warranty does not include free shipping to SolidGoldFX located in Montreal, Quebec, Canada.
Your product is NOT covered by the warranty if
- Your product(s) was not purchased from solidgoldfx.com or an authorized retailer.
- Your product(s) was purchased from unauthorized vendors and/or resellers.
- You do not have the original proof of purchase and/or you are not the original purchaser of the product(s).
- Cosmetic flaws, and issues related to wear and tear are not covered.
- The product(s) have been modified, misused, damaged or repaired by an unauthorized third party or the owner.
- Use of an improper power supply will void warranty.
For additional assistance contact: info@solidgoldfx.com