The EarthQuaker Devices Aurelius revolutionises chorus effects by offering three distinct modulation modes—Vibrato, Chorus, and Rotary—in a compact, pedalboard-ready design. Inspired by the iconic 1970s CE-1 Chorus Ensemble, this pedal blends vintage warmth with modern digital precision, giving musicians a versatile and expressive tool for crafting lush, dynamic sounds.

Designed for both studio professionals and live performers, the Aurelius features six programmable presets and comprehensive control options, including assignable expression control. Whether you seek shimmering chorus, subtle vibrato, or rich rotary-speaker tones, this pedal delivers unparalleled tonal flexibility and immediate recall of your favourite sounds.

Main Features

• Three versatile modes: Vibrato, Chorus, and Rotary, each delivering unique modulation textures
• Six programmable presets for instant access to customised sounds
• Assignable expression control for Width, Rate, or Balance via TRS pedal or CV input (0–3.3V)
• Inspired by the classic CE-1 Chorus Ensemble, combining vintage character with modern clarity
• Intuitive controls for fine-tuning Width, Rate, and Balance parameters
• Live and Preset modes for seamless switching between real-time adjustment and saved settings
• True bypass switching to preserve your tone when disengaged
• Compact, rugged construction hand-built in Akron, Ohio, USA

Versatile, Rich Soundscapes

The Aurelius offers a three-voice modulation engine allowing effortless transition between vibrato’s warm pitch modulation, classic chorus shimmer, and swirling rotary-speaker emulation. Each mode dynamically responds to your playing style and can be precisely shaped with the Width, Rate, and Balance controls, enabling a spectrum of sounds ranging from subtle textures to dramatic sonic movement.

Six programmable presets give you the freedom to store and recall settings instantly, making it ideal for studio use and live performance. Easily save your preferred mode, control parameters, and expression pedal assignments for quick switching without interruption.

Expression and Control Options

Take full control over your modulation with the flexible EXP input, supporting any standard TRS expression pedal or control voltage (CV) between 0–3.3V. Assign expression control to Width, Rate, or Balance independently for each preset, allowing dynamic, real-time changes. This feature expands creative possibilities by integrating seamless modulation adjustments into your playing.

Specifications

• Pedal Type: Multi-Mode Chorus, Vibrato, Rotary
• Modes: Vibrato, Chorus, Rotary
• Controls: Width, Rate, Balance
• Presets: 6 programmable slots
• Expression Control: Assignable to Width, Rate, or Balance via TRS pedal or CV input (0–3.3V)
• Operating Modes: Live Mode and Preset Mode
• Bypass: True Bypass
• Power Supply: 9V DC centre-negative (power supply not included)
• Construction: Hand-built in Akron, Ohio, USA

Frequently Asked Questions ➤ What modulation modes does the Aurelius offer? The pedal features three modes: Vibrato, Chorus, and Rotary, each with distinct tonal characteristics inspired by the classic CE-1 Chorus Ensemble. ➤ How many presets can I save on the Aurelius? You can store up to six programmable presets, allowing easy recall of your favourite settings during performances or studio sessions. ➤ Can I use an expression pedal with the Aurelius? Yes, the EXP input supports any standard TRS expression pedal and control voltage signals from 0 to 3.3V, controllable per preset. ➤ Is the Aurelius true bypass? Yes, the pedal features true bypass switching to maintain your original signal tone when the effect is disengaged. ➤ What power supply does the Aurelius require? It operates on a 9V DC centre-negative power supply, which is not included with the pedal.

Outside the UK?

Please note that shipping costs outside the UK are very approximate and can vary radically. Please contact us with your Country and Post/Zip Code for an accurate quote. Many thanks. Please also note if you are outside the UK we will not charge you tax on your purchase but you may be liable for import duty in your country.

Please also note that all our stock is sold for the UK market. If you are buying from outside the UK, please check that it is suitable for use in your country before purchase.