Sunn O))) Life Pedal V3 Video Manual | EarthQuaker Devices

Hello EarthQuakers, we are back with a deep dive into our latest pedal, the Sunn O))) Life Pedal V3. The Sunn O))) Life Pedal is a distortion with a blendable analog octave up and a booster combined in one compact package. This circuit has been meticulously tweaked from the original to squeeze every last drop of heavy crushing tone available. The octave section has been fine-tuned to make it more pronounced without losing the bottom end and we added a third footswitch, utilizing Flexi-Switch Technologyimage001.png, for the octave to allow an additional method of quick and radical tone shaping. We are excited to have this back in permanent production; it is a true labor of love.

The “Amplitude” side is faithfully modeled after the classic “White Face” distortion unit, using modern, reliable components to last a lifetime. The Sunn O))) Life Pedal introduces two additional clipping options to better adapt to different rigs. The first position is no diodes to allow for full, grinding OpAmp assault at maximum volume. The second position utilizes two silicon diodes and one LED in an asymmetrical clipping configuration. This delivers a slightly compressed and smooth crunch, similar to a valve amplifier. The last position is the stock double silicon diode configuration which provides that classic Rat influenced tone you know and love.
The Octave in the Sunn O))) Life Pedal is an all-discrete, analog full-wave rectifier based on a classic vintage design. Located at the input of the circuit, the Octave control slowly blends in the octave effects as you turn it clockwise. This feature can also be used via expression control allowing for wild, hands-free octave swells mid-riff. Because this is an analog octave effect, it is monophonic and works best playing single notes above the twelfth fret while using the neck pickup.

The “Magnitude” section of the Sunn O))) Life Pedal is a simple all-discrete MOSFET booster designed to blast your preamp tubes and drive them wild. It is a 100% clean, no-nonsense, high-impedance booster that adds very little color to your tone. It does not add distortion on its own but has plenty of output to push your amp into saturation.

The signal path goes Octave-Distortion-Boost. The booster can be used independently of the octave and distortion circuit with its own respective footswitch. The Petrine Cross is the octave distortion and the Christian Cross is the booster.

Chasms are cleared, mountains sheared, glaciers calved, novæ birthed. Vintage valve amplifiers recommended. We hope you transcend.

Designed and manufactured by EarthQuaker Devices in the dark corridors of Akron, Ohio.

Shot by Chris Tran & Jeff France
Recording and Mixing by Jeff France
Edited By Chris Tran
Riff Model: Jamie Stillman

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