Earthquaker Devices Aurelius Tri-Voice Chorus

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The Aurelius is not your run of the mill chorus pedal. This compact, beautifully cased wonder is a three-voice chorus with six programmable presets and an expression control. Inspired by the 1970s CE-1 Chorus Ensemble pedal, this digital unit has been tirelessly tweaked and fine-tuned to give you an all-encompassing chorus and vibrato experience like nothing else.

Choose from Vibrato, Chorus and Rotary mode and manipulate their Width, Rate and Balance to achieve your ideal sound. Shift seamlessly from one mode to another to cop a blend that is all your own. Just one simple tap of the Preset (Save/Recall) and you can summon up to six settings of your choosing at will.

By popular demand, we’ve equipped the Aurelius with an expression control so you can use any TRS expression pedal to manipulate the Width, Rate or Balance.

Three-voice chorus with the ability to save and recall six presets:

• Chorus/Vibrato Mode: is a familiar traditional chorus type effect that leans towards vibrato with a triangle LFO modulating a short delay line
• Chorus/Flanger Mode: is a blend of chorus and flanger. It has more warmth and slower rates than Chorus/Vibrato Mode and uses a sine wave LFO to modulate the delay line.
• Rotary Mode: is a rotary chorus effect modeled after the sound of a Leslie speaker cabinet.
• User-assignable expression control
• Inspired by the 1970s CE-1 Chorus Ensemble pedal, this digital unit has been fine-tuned to give you an all-encompassing chorus and vibrato experience
• Rotary mode captures the sound of a Leslie speaker’s rotating baffle system
• Two global operating modes which are indicated by the color of the Save/Recall switch:
• Green = Live Mode
• Red = Preset Mode

• True bypass

• Silent relay-based switching with Flexi-Switch® Technology

Tech Specs Dimensions: 4.75 x 2.50 x 2.25 in. (121 x 64 x 57 mm) with knobs Current Draw: 75 mA Input Impedance: 500 kΩ Output Impedance: 100 Ω TRS expression pedal wiring:
Tip: Wiper
Ring: +3.3V
Sleeve: Ground
Flexi-Switch® Technology

This device features Flexi-Switch® Technology! This relay-based, true bypass switching style allows you to simultaneously use momentary and latching style switching.

• For standard latching operation, tap the footswitch once to activate the effect and then tap again to bypass.

• For momentary operation, hold the footswitch down for as long as you’d like to use the effect. Once you release the switch the effect will be bypassed.

Since the switching is relay based, it requires power to pass signal.

Power

This device takes a standard 9 volt DC power supply with a 2.1mm negative center barrel. We always recommend pedal-specific, transformer-isolated wall-wart power supplies or multiple isolated-output supplies. Pedals will make extra noise if there is ripple or unclean power. Switching-type power supplies, daisy chains and non-pedal specific power supplies do not filter dirty power as well and let through unwanted noise. DO NOT RUN AT HIGHER VOLTAGES!