Gear article

Electro Harmonix OD Glove MOSFET Overdrive

The Electro Harmonix OD Glove is a MOSFET-based overdrive pedal designed to deliver rich, thick distortion without sacrificing clarity. It features a versatile internal voltage switch and a selectable mid-frequency boost, positioning it as a boutique-quality drive at an accessible price point.

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Overview and Design

The Electro Harmonix OD Glove is a compact overdrive pedal housed in a standard EHX nano-sized chassis. Unlike traditional soft-clipping overdrives, the OD Glove utilises MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) technology to simulate the clipping characteristics of a vacuum tube amplifier. The control layout is intentionally simple, consisting of Gain, Tone, and Volume knobs, which allows for intuitive sound shaping while maintaining the natural harmonic content of the guitar signal.

Key Features and Circuitry

The OD Glove distinguishes itself from standard overdrive pedals through two specific design choices:

  • Tone Shift Switch: Located on the face of the pedal, this toggle serves as a mid-frequency boost. When engaged, it adds extra 'growl' and presence, helping the guitar cut through a dense mix.
  • Internal Voltage Switch: A slide-switch located inside the pedal allows the user to change the internal operating voltage from 9V to 18V. Running at 18V increases the headroom and dynamic range, providing a less compressed and more open sound.

Sound Character

The sonic profile of the OD Glove is described as thick and rich, avoiding the muddiness often associated with high-gain overdrive pedals. It is designed to enhance natural harmonics and can be used as a subtle clean boost to drive an amplifier into breakup, or as a standalone distortion source. The MOSFET clipping ensures that the transition from clean to dirty remains touch-sensitive and organic.

Comparison to Alternatives

While often compared to boutique MOSFET drives, the OD Glove is priced significantly lower, typically around £70. It offers more flexibility than basic drives like the Boss SD-1 due to its voltage switching and mid-boost capabilities. Within the EHX range, it sits alongside classics like the Big Muff Pi, though it offers a more transparent, amp-like overdrive compared to the saturated fuzz of the Big Muff.

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Frequently asked questions

What is the primary function of the OD Glove?
The OD Glove is a MOSFET overdrive pedal designed to provide rich, tube-like distortion while maintaining clarity and enhancing natural harmonics.
How does the Tone Shift switch affect the sound?
The Tone Shift switch acts as a mid-boost, adding presence and growl to the signal to help it stand out in a band mix.
What does the internal voltage switch do?
The internal slide-switch allows users to choose between 9V and 18V operation. Switching to 18V increases the pedal's headroom and dynamic response.
Does the OD Glove sound muddy at high gain?
No, the pedal is specifically designed to offer thick overdriven tones without becoming overly muddy, even at higher gain settings.
What are the physical controls on the pedal?
The pedal features three main rotary controls: Volume, Tone, and Gain, along with the external Tone Shift toggle switch.
What kind of clipping does the OD Glove use?
It uses MOSFET-based clipping, which is favoured for its ability to mimic the natural compression and harmonic saturation of a tube amplifier.
Is the OD Glove suitable for professional use?
Yes, it is marketed as a 'no-frills' pedal whose tone and features compete with more expensive boutique overdrive pedals.
What is the typical price for an OD Glove?
The pedal generally retails in the range of £70, making it an affordable option for its feature set.
Can it be used as a clean boost?
Yes, by lowering the Gain and increasing the Volume, the OD Glove can effectively drive a tube amplifier into natural breakup.
How does it compare to a Big Muff?
While the Big Muff provides heavy, sustained fuzz, the OD Glove offers a more subtle and versatile overdrive character that focuses on amp-like transparency.
Does the internal switch require an 18V power supply?
No, the internal circuitry converts the standard 9V input to 18V internally when the slide-switch is engaged.
Who is the target audience for this pedal?
The OD Glove is suited for guitarists seeking a simple, high-quality overdrive that offers more headroom and frequency control than standard entry-level pedals.