Sunn O))) Life Pedal V2
Compact pedalboard version of a limited-run distortion pedal that combines an analog octave-up, an LM308-based distortion and a separate clean MOSFET booster. Aimed at guitarists driving tube amplifiers into heavy saturation. Listed as no longer in production.
- Analog octave-up into LM308 distortion, plus a separate clean booster
- Three-way clipping switch: OpAmp, Asymmetric, Symmetric
- Expression pedal input controls octave blend
- Relay true bypass with Flexi-Switch latching/momentary
- 9 V DC, 2.1 mm negative center, 15 mA
- Limited to 2,500 units; no longer in production
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Life Pedal V2 is a two-stage guitar effect: an octave distortion and a booster, each with its own footswitch. The signal path runs Octave, then Distortion, then Boost. The distortion side is based on a classic LM308 rodent-style circuit with tantalum capacitors, and the octave is an all-discrete analog full-wave rectifier using a pair of germanium diodes. The octave is monophonic and works best on single notes played high on the neck with the neck pickup.
A three-position clipping switch selects no diodes (op amp), asymmetrical clipping (two silicon diodes and one LED) or the standard symmetrical silicon-diode setup. The Filter control is a low-pass filter, and the Distortion knob provides about +60 dB of gain. The booster is a clean, high-impedance MOSFET stage with its own Magnitude volume control, meant to push an amplifier's preamp into saturation.
The octave blend can be controlled with an expression pedal through a dedicated input. Both footswitches use relay-based true bypass with Flexi-Switch, allowing latching or momentary operation, so the unit needs power to pass signal. It runs on a 9 V DC supply with a 2.1 mm negative-center barrel and draws 15 mA. The V2 was limited to 2,500 units worldwide.
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Tekniset tiedot
- Merkki
- EarthQuaker Devices
- Malli
- Sunn O))) Life Pedal V2
- Luokka
- Efektit ja pedaalit
Controls
- Amplitude
- Output volume for the octave distortion
- Filter
- Low pass filter, approx. 500 Hz to 30 kHz
- Distortion
- Approx. +60 dB of gain
- Magnitude
- Booster output volume (unity around noon)
- Octave
- Blends in the analog octave
- Clipping switch
- OpAmp / Asymm / Symm
- Footswitches
- Left: Boost; Right: Octave Distortion
Inputs
- Octave Distortion input impedance
- 1 MΩ
- Booster input impedance
- 500 kΩ
- Octave EXP input
- Expression pedal input for octave blend
Outputs
- Octave Distortion output impedance
- <1 kΩ
- Booster output impedance
- <1 kΩ
Audio
- Signal path
- Octave > Distortion > Boost
- Distortion circuit
- LM308 op amp based, tantalum caps
- Octave circuit
- All-discrete analog full-wave rectifier, germanium diodes
- Booster circuit
- All-discrete MOSFET
- Bypass
- Relay-based true bypass, Flexi-Switch Technology
Power
- Power supply
- 9 V DC, 2.1 mm negative center barrel
- Current draw
- 15 mA
Physical
- Dimensions
- 4.65 x 3.65 x 2.25 in. (118 x 93 x 57 mm) with knobs
- Production run
- Limited to 2,500 units worldwide
- Made in
- Akron, Ohio