EarthQuaker Sunn O))) Life Pedal Octave Distortion + Booster
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Life Pedal is a distortion with a blendable analog octave up and a booster combined in one compact package.
Sunn O))) and EarthQuaker Devices are pleased to bring you the compact, pedalboard-friendly version of the Life Pedal distortion. This is the same exact circuit as the WILDLY popular limited run version that was released in early 2019 but with the addition of expression pedal control over the octave blend and Flexi-Switch® Technology on the relay-based true bypass footswitches. Limited to 2,500 units worldwide.
Birth of a Life Pedal
In the writing sessions for Life MetalStephen & Greg worked extensively shearing their tones toward a broader energy spectrum over high powered saturation and across planes of sonic character, with the ambition to take full advantage of Steve Albini’s (the recording engineer for the album) exacting capture skills.
The results are astounding: there is breadth and luminosity of colour, vast sonic cosmoses, flashes of abstract colour (synthetic and objective) through resulting themes which emerged from the mastered depths of saturation and circuits between the two players and their mountains of gear.
The Life Pedal is designed to represent the core front end chain used in those sessions, to drive the tubes of the band’s multiple vintage Sunn O))) Model T amplifiers (or take your fancy) into overload ecstasy. This is a 100w tube amp full stack’s holy dream, or its apostate nightmare.
An octave fuzz inspired by the Shin-Ei FY2 & FY6 units leads the circuit into a LM308 chipped and brutal rodent big box distortion, recreated with the best components, and including a three-way clipping switch (op Amp, Asymmetric & Symmetric). Second stage is a purely clean boost to further overdrive the preamp tubes of your vintage system into -scaped harmonics, and feedback overtone bliss.
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.
What Is It?
Life Pedal is a distortion with a blendable analog octave up and a booster combined in one compact package. The “Amplitude” side is faithfully modeled after the classic “White Face” distortion unit, right down to the LM308 IC and tantalum caps. The only modifications made to the original circuit are in the clipping section. The traditional circuit uses a single pair of silicon diodes for a tight, compressed crunch. The Life Pedal introduces two additional clipping options to better adapt to different rigs. The first position is no diodes to allow for full, grinding Op Amp 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 tone you know and love.
The Octave in Life Pedal is an all-discrete, analog full-wave rectifier circuit built around a pair of Russian Germanium diodes. 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. Playing chords with the analog octave will sound clanging and chaotic. Using the bridge pickup and playing below the twelfth fret will produce a very subtle octave effect. Going full Octave