
Anthony Easton
The Humdinger by JDM Pedals is a versatile dual pedal featuring a JFET-driven octave/boost and Germanium fuzz. The fuzz side is based on the TB MkII, modified with a version of Jack Orman’s AMZ tone control. It is equipped with vintage Germanium transistors and a discrete JFET boost circuit. The pedal is hand-wired and features Lumberg jacks, Alpha pots, and a road-worthy powder- coated and enamel silkscreened finish.
The octave side of the pedal utilizes JFET preamp and output stages, providing a smooth octave-up effect that responds well to volume pot changes on the guitar. The octave can be switched out, allowing the octave side to function as a JFET boost to enhance the fuzz side.
The fuzz side of the Humdinger is a flexible Silicon Tonebender-style fuzz that cleans up exceptionally well with the guitar’s volume pot, offering a range from crispy, ripping-velcro fuzz tones to British rock-style overdrive. The input filter switch allows users to "tighten up" the fuzz with a filter similar to what is achieved by using a Rangemaster in front of the fuzz.
The pedal is designed with top-quality components and vintage transistors, and it is hand-finished with a road-worthy finish. The Humdinger is a versatile pedal suitable for a wide range of musical styles and applications.
For further information, including videos demonstrating the tones available from the Humdinger, users are directed to visit the official JDM Pedals website or relevant online platforms.
Watch the latest video demos and reviews for the Humdinger from YouTube. Stompbx updates this every six months to reflect the most popular reviewers and guitar pedal demos for each pedal.

Below are live Reverb listings for the JDM Pedals Humdinger from Reverb. Stompbx automatically aggregates current offers to give you a quick look at available models, conditions, and prices. Perfect for comparing options and making an informed purchase.

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Check out the latest news and articles from around the pedal world.

Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton