Fulltone HI-MU
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- This item is covered for 3 years
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Fulltone
https://www.fulltoneusa.com
support@fulltoneusa.com
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A "Custom Shop" Approach to Gain: The Hi-Mu in the Fulltone Spirit
The Fulltone Custom Shop Hi-Mu embodies a very "old school" philosophy: a through-hole component circuit, artisanal construction, and a focus on playing feel above all. Here, no op amp, no clipping diodes, no digital processing: the goal is to achieve natural compression, a lively attack, and a "breathing" quality close to a pushed amplifier. At the heart of the concept are 4 Full-size New Old Stock JFETs configured in "Mu-Stacks," selected and matched to deliver organic, dense, and nuanced gain.
For Which Guitarists and Styles?
The Hi-Mu is aimed at guitarists who want a high-end distortion/overdrive pedal capable of following the right hand (or pick) with precision. It excels in lead playing for rock, blues rock, hard rock genres, and any situation where you want a note that "sings" without becoming muddy. In the studio, it highlights articulation and grain, helping a part stand out in a mix. Live, it remains clear and responsive, notably thanks to its behavior with the guitar volume: you can switch from crunch to a more driven sound without changing settings, simply by playing your instrument.
On a pedalboard, it works equally well as a main drive or as an additional gain stage to push an already saturated amp. Its broad midrange spectrum allows it to occupy the ideal space for solos while maintaining definition on chords and double stops.
Technical specifications
| Effects | Distortion, Overdrive | Type | Battery |
| Technology | Analog | Use | electric guitar |
| Format | Pedal | Color | Black |
| EQ | Tone | ||
Questions frequently asked
Does the Fulltone HI-MU operate with a standard 9 V power supply?
A regulated negative center power supply is required, ranging from 9 to 18 V, with a standard 2.1 x 5.5 mm plug. The use of a high-quality power supply is recommended.
What type of saturation does this pedal provide?
The 4 New Old Stock JFETs, configured as "Mu-Stacks," deliver an articulate drive with natural compression. The Sustain control increases distortion and sustain when turned clockwise.
How to adjust the bass and treble on the HI-MU?
The EQ potentiometer shifts the tone from a rich and smooth sound at 9 o'clock to a brighter response at 3 o'clock. A 3-position Bass selector boosts or cuts the low end in conjunction with this EQ. This combination allows adapting the response according to the guitar, tuning, and amplifier.
Does the pedal respond to the guitar's volume?
The analog circuit allows transitioning from crunch to a stronger drive by adjusting the instrument's volume, without changing the pedal settings.
Can a battery be used in this Fulltone pedal?
An internal compartment is provided for the battery. Access requires manually unscrewing the thumbscrews on each side, then separating the enclosure.
