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American manufacturer of boutique pedal effects for bass and guitar
3 Leaf Audio
TypePrivate
IndustryMusical instruments
Founded2008;18years ago(2008)
HeadquartersSeattle, Washington
Key people
Spencer Doren
ProductsEffects units
Website3leafaudio.com

3 Leaf Audio is an American manufacturer of boutique analog effect units for electric bass & guitar. The company, founded by Spencer Doren and operating from Seattle, Washington,[1] started with the Groove Regulator pedal, an envelope controlled filter effect inspired by the Lovetone Meatball.[2] All of the materials fabricated for the pedal units are sourced from American manufacturers. Each batch of pedals released is a limited edition run, utilizing unique colors, graphics and enclosure finishes. 3 Leaf Audio is primarily a one-man operation.[3]

History

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3 Leaf Audio began as a hobby project for Doren during his high school years in the mid 2000's. The project originally started from a desire to get bass tones he could not achieve from already existing gear. As interest in his products grew he began to outsource printed-circuit-board (PCB) fabrication and enclosure machining, while still maintaining his role as the final assembler.[4]

Preamp harness

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Effect pedals

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An assortment of various 3 Leaf Audio pedals.
Top row left to right: Proton V3, Wonderlove V2, Chromatron, and Proton V4.
Bottom row left to right: DOOM 2, Octabvre MKIII, Octabvre Mini, Octabvre MKIII, and DOOM 2 (Re-voiced)
Pedal Year Notes Total Units Released
Groove Regulator 2008 Modeled after Lovetone Meatball 465[5]
Groove Regulator 2 (GR2) 2010 Replaced "feedback" knob with "dry/wet" knob (feedback control became internal trimpot) 315[5]
Proton 2011 Optically controlled, simplified filter 455[5]
Wonderlove 2012 710[5]
Proton V2 2012 Added "decay" knob (originally internal switch), and removed "band-pass" toggle 1025[5]
Wonderlove V2 2015 600[5]
Proton V3 2015 Added "tone" knob, and removed "range" toggle 1000[5]
Chromatron 2018 300[5]
Proton V4 2020 Circuit redesigned, detector circuit based off Chromatron, and "range" toggle brought back Still in production[5]
Pedal Year Notes Total Units Released
Octabvre 2014 Octave down, tone goes from "OC-2" to "Mutron" with sub-solo footswitch 500[5]
Octabvre Mini 2016 Smaller footprint, with "Tim-tuning" mod and no sub-solo footswitch or volume control 710[5]
Octabvre MKII 2017 Same layout as original Octabvre but with an added "Tim-tuning" toggle 800[5]
Octabvre MKIII 2020 Controls and footswitches of Octabvre MKII on a smaller enclosure, changed to a vol/vol circuit 900[5]
Octabvre MK3.33 2025 Redesign of tone control, "Tim-tuning" toggle changed to "Overload" toggle Still in production[5]
Pedal Year Notes Total Units Released
(You're) DOOM 2013 "Dynamic harmonic device", sensitive to playing dynamics with octave fuzz
characteristics in the upper register
600[5]
DOOM 2 2019 Expanded EQ section, clean low-pass filter toggle and octave fuzz toggle 600[5]
DOOM 2 (Re-voiced) 2023 More gain, the new circuit has a bit more upper midrange presence,
a modified treble control, and a higher crossover frequency
Still in production[5]

Add some note regarding HGM DOOM 2

Pedal Year Notes Total Units Released
PWNZOR 2012 Optical compressor 120[5]
The Enabler 2013 Bass preamp with EQ and DI 300[5]
Little Black Box 2014 Simplified bass premp 99[5]

Notable musicians using 3 Leaf pedals

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Rob Derhak's moe. pedalboard as of February 2024

References

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  1. "3Leaf Audio Groove Regulator". Reverb. Retrieved 2024年10月30日.
  2. "3 Leaf Audio GR2 Envelope Filter Review". Guitar Interactive Magazine. Retrieved 2024年10月30日.
  3. "About". 3Leaf Audio. Retrieved 2024年10月30日.
  4. "Spencer Doren of 3 Leaf Audio & Pike Amplification". YouTube. New York Bass Works TV. 2023年12月03日. Retrieved 2024年11月04日.
  5. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 "Releases". 3Leaf Audio. Retrieved 2024年10月30日.
  6. "Tim Lefebvre". Equipboard. Retrieved 2024年10月30日.
  7. Scotts' Bass Lessons. The most INSANE Pedalboard? w/ HENRIK LINDER (Dirty Loops). YouTube. Retrieved 2024年10月30日.
  8. "Rob Derhak moe. pedalboard (Feb 2024)". Wikimedia Commons. 18 February 2024. Retrieved 2024年11月03日.
  9. 3 LEAF AUDIO. Ryan Stasik (Umphrey's McGee) Pedalboard Walkthrough - April 2015. YouTube. Retrieved 2024年11月03日.{{cite AV media}}: CS1 maint: numeric names: authors list (link)
  10. "Ian Martin Allison". Ian Martin Allison Official Site. Retrieved 2024年10月30日.
  11. Scott's Bass Lessons. The 10 Greatest Synth Bass Lines Through History (and how to get the sounds). YouTube. Retrieved 2024年11月03日.
  12. Janek Gwizdala (2015年07月02日). Bass Octave pedal Shootout What's Your Favorite Octaver?. YouTube. Retrieved 2024年11月06日.
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