Costa Mesa, CA, United States
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Half the Size. Just as Heavy.The Sunn O))) HalfLife™ by EarthQuaker Devices is the most pedalboard-friendly version of the legendary Life Pedal distortion circuit to date. Designed to replicate the core front-end chain used during Sunn O)))’s Life Metal sessions, the HalfLife combines a brutal octave distortion with a devastatingly clean MOSFET booster into one compact, earth-shattering enclosure.Whether you are pushing a vintage tube amp into overloaded ecstasy or shaping modern doom metal tones, the HalfLife is engineered to clear chasms and shear mountains.The Amplitude: Crushing DistortionModeled after the classic "White Face" distortion unit, the HalfLife's Amplitude section delivers iconic, grinding tone. It features a versatile 3-way clipping switch to perfectly match your rig:OpAmp: No diodes. Delivers a full, uncompressed, grinding OpAmp assault at maximum volume.Asymmetrical: Two silicon diodes and one LED. Provides a smooth, slightly compressed crunch akin to a driven valve amplifier.Symmetrical: Stock double silicon diodes for the classic, tight, and compressed distortion you know and love.The Octave: Blendable Analog ChaosLocated at the input of the circuit, the HalfLife features an all-discrete, full-wave rectifier analog octave-up. Slowly blend it in via the Octave control, or hook up an expression pedal for wild, hands-free octave swells mid-riff. Push the blend to the max to transform the pedal from a standard distortion into a swelling, raging fuzz. (Note: As an analog effect, the octave is monophonic and tracks best above the 12th fret on your neck pickup).The Magnitude: Pure MOSFET BoostThe Magnitude section is a 100% clean, high-impedance, all-discrete MOSFET booster designed to blast your preamp tubes. Delivering up to +60dB of gain, it adds virtually zero color to your tone—it simply provides the raw output needed to push your amp into harmonic saturation and feedback overtone bliss.Independent Switching & Flexi-Switch® TechnologyThe Octave Distortion and Booster circuits operate independently with their own footswitches. Both utilize EarthQuaker’s proprietary Flexi-Switch® Technology, allowing you to use both traditional latching and momentary switching for precise, stuttering bursts of noise.Key Features:Circuit: Octave Distortion + Clean MOSFET BoosterCollaboration: Officially licensed by Sunn O)))Clipping Modes: 3-way toggle (OpAmp, Asymmetric, Symmetric)Octave Control: Blendable analog octave with EXP pedal inputSwitching: Independent footswitches with relay-based true bypass Flexi-Switch® TechnologyPower: Standard 9V DC (15mA current draw)Origin: Hand-built in Akron, Ohio, USAControls:Octave: This blends in the analog octave as you turn it clockwise.Distortion: Turn clockwise for more distortion, counterclockwise for less. This provides about +60dB of gain.Filter: This is a low pass filter with a frequency response from around 500 Hz to 30 kHz. Turn counterclockwise for more high end, clockwise for less.Amplitude: Output volume for the octave distortion side. Clockwise for more hearing loss, counterclockwise for a healthy life in old age.Clipping Switch:OpAmp: No diodes to allow for full, grinding Op Amp assault at maximum volume.Asymm: 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.Symm: This is the stock double silicon diode configuration which provides that classic tone you know and love.Magnitude: This is the output volume for the booster. Clockwise to blow up your amp, counterclockwise if you’re a baby. Unity is somewhere right around noon on the dial.Right Footswitch: Octave Distortion ActivatorLeft Footswitch: Boost ActivatorOctave EXP: Connect any expression pedal to this input to control the analog octave blend. Before inserting the expression pedal, make sure the pedal is powered off.
Price$259
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