Pricing and availability
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Average Price: $340
High-end/Boutique
$70
$251+
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Budget
Standard
High-end
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Description
MU-TRON III+® translates the envelope or "volume profile" of every musical passage, ...automatically... into an easily-controlled, vowel-like sound, as you play. Use MU-TRON III+® to create a variety of synthesizer sounds with most electrified instruments: guitar, bass, keyboards, drums, flute, saxophone, brasses, .... even microphone. The sharper your attack and the more percussive your instrument, the wilder your sound will be. Besides providing that inverted "snap" (perfect for funky bass), MU-TRON III+® also functions as an automatic "wah" pedal. Full instructions are included, but you decide how far you want to go.
Product specs
| Brand | HAZ |
| Model | Mu-Tron III+ |
| Finish | Silver |
| Year | 2010s |
| Made In | United States |
| Categories | Filter and Wah Pedals |
FAQs
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What makes the HAZ Mu-Tron III+ Envelope Filter unique compared to other envelope filters?
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The HAZ Mu-Tron III+ is renowned for its dynamic response and ability to produce classic funk sounds. It offers a rich, analog warmth and a wide range of tonal possibilities, distinguishing it from other envelope filters on the market.
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Is the HAZ Mu-Tron III+ suitable for bass guitar as well as electric guitar?
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Yes, the HAZ Mu-Tron III+ works well with both bass and electric guitars, offering a responsive and dynamic filtering effect that enhances the sound of either instrument.
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What are the power requirements for the HAZ Mu-Tron III+ Envelope Filter?
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The HAZ Mu-Tron III+ requires a 9V DC power supply. It's important to use a compatible power adapter to ensure optimal performance and avoid damage to the pedal.
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How does the HAZ Mu-Tron III+ compare to a traditional wah pedal?
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Unlike a traditional wah pedal that requires foot movement, the HAZ Mu-Tron III+ automatically responds to the dynamics of your playing, creating a hands-free, expressive filtering effect based on the intensity of your performance.
Videos
Henry The Pedal Head
Mu Tron III+ Envelope Filter - Henry The Pedal Head
Mu Tron III+ Envelope Filter - Henry The Pedal Head
Henry The Pedal Head
HAZ Mutron III + PEDAL TO THE METAL!!
James Hood Guitar
Reviews
PROS
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Gooey, thick tone on low pass setting
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Customizable via lots of DIP switches
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Battery LED can show note strike intensity
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Extensive manual provided
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Preferred over other high-end envelope filters
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Offers unique touch control over dynamics
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Effective for Jerry Garcia/Grateful Dead music styles
CONS
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Not the original Mu-Tron III; considered a copy
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Uses discarded circuitry designs from the original inventor
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Marketed deceptively as the original Mu-Tron III
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No status LED for operation indication
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Price fluctuates significantly
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about HAZ Mu-Tron III+ Envelope Filter.
Features and functionality
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The Mu-Tron III+ has CV control for expression pedals and "MU Opto-Mod" technology with hot-swappable chips offering different ADSR characteristics.
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The Mu-Tron III+ can be powered with a versatile setup, such as an MXR brick, accommodating both 18V and 9V outputs for pedalboards.
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The Mu-Tron III+ has reversed input and output jack positions, which may require adjustment in pedalboard setups.
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Unique redundant power/bypass switches on the Mu-Tron III+ can create an interesting effect by powering down the filter while engaged.
Source
Mods and upgrades
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The "Gold" Opto-Mod replicates vintage Hamamatsu 0805a photo-couplers for a general-purpose curve, while "Red" and "Blue" Opto-Mods cater to specific musical styles.
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Use cases and applications
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The "Red" Opto-Mod suits swampy music with a slower attack, while the "Blue" Opto-Mod is ideal for fast bass playing, producing a quick quack.
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User experience
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It performs best when placed early in the signal chain and is highly responsive to pick attack, offering the same "grease" as the original.
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It's been noted that old printer power supplies can effectively power the Mu-Tron III+ if voltage, polarity, and plug type match.
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Some users find the Mu-Tron III+ housing and switches to be vintage and space-age, adding cool aesthetic appeal despite its large size.
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Comparisons
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Compared to the MXR Bass Envelope Filter, the Mu-Tron III+ is more responsive to pick attack and produces a horn-like, greasy sound versus an auto-wah tone.
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Setup and maintenance
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The Micro-Tron triggers consistently across the fretboard, unlike older models which may struggle with high strings, providing a larger sweet spot.
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Users suggest using an 18-24V center-negative power supply, ensuring sufficient current for optimal performance.
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Owners note the EHX 24V power supplies have slightly different plug sizes, requiring careful matching with the Mu-Tron III+.
Source
5.0 out of 5
Based on 0 Reviews and 1 Rating
Artist usage
Add artist
In a photo of Guy-Manuel de Homem-Christo's studio from circa 2002, a HAZ Mu-Tron III+ Envelope Filter is visibly highlighted with yellow arrow, confirming its use by Daft Punk.
Used live, as known from the following sources:
Bass Player, "Bootsy Collins Still Stretchin' Out" by E.E. Bradman (inexplicit reference to "that underwater bubble sound") (Archive 1, Archive 2)
Effects dbx 120XP Subharmonic Synthesizer, Boss Digital Delay DD-1, Boss BF-2 Flanger, Mesa Flux Drive, Eventide H-9, Electro-Harmonix Big Muff, Electro-Harmonix HOG 2, DigiTech Bass Whammy, Stone Deaf Fig Fumb, Electro-Harmonix Bass Micro Synth, Darkglass Micro- Tubes, DigiTech Whammy, Electro-Harmonix Metal Muff, DOD Thrash Master FX59, Pigtronix Mothership 2 Envelope Synth, Panda Audio Future Impact, Darkglass Duality Dual Fuzz Engine, Chunk Audio Octavius Squeezer, DOD Envelope Filter F25, Mu-FX Tru-Tron 3X, Xotic Robotalk, Mu- Tron (Haz Labs reissue), Amp Tweaker Fat Metal, Lovetone Ring Stinger Ring Modulator, Radial Firefly Tube Direct Box, Korg Toneworks G5, Digitech XP300 Space Station, Eventide Pitchfactor, DOD Bass Synth Wah, DOD Synth Wah
Bass Player, "In Session With Professor Bootsy Collins" by Jimmy Leslie (November 1, 2010)
STAGE GEAR
Effects, Alembic Super Filter, Roland Space Echo, MXR Digital Delay, Pro Co Rat II, Electro- Harmonix Big Muff distortion, DOD Thrash, DigiTech Grunge, DigiTech Whammy Pedal, Boss BF-3 Flanger, DOD Envelope, two Mu-Tron IIIs, Electro-Harmonix Bass Micro Synthesizer
Premier Guitar, "Bootsy Collins: Bass from Outer Space" by Tzvi Gluckin (November 23, 2017) (source of image)
Right Section: [...] Mu-Tron III
"And this is another one. So I have one (Mu-Tron III) set on going the low octave, and one (this one) on the high octave. They're different era pedals, but they're gonna work for what they're selected for."
In the YouTube video "Alan Braxe - Studio tour" by MusicRadar Tech, published by Future Music Magazine, a HAZ Mu-Tron III+ Envelope Filter can be clearly seen during the segment from 2:35 to 3:30, right above the ASR-10.
Cris Jacobs uses the HAZ Mu-Tron III+ Envelope Filter, which replaced his original Mu-Tron Envelope Filter after it was stolen.
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use HAZ Mu-Tron III+ Envelope Filter, it is most commonly used with the following gear.
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