Robust, sandblasted aluminum housing with wooden side panels
Power supply: 9 V DC, Center Negative, approx. 200 mA
Compact format: approx. 13.5 × 11.5 × 6.5 cm
Weight: approx. 420 g
Fully analog preamp & amp simulator in the style of the Dumble Overdrive Special with two channels and high-quality cab sims.
DSM Humboldt Dumblifier Overdrive Special - analog preamp/overdrive with two channels
The DSM Humboldt Dumblifier Overdrive Special is a fully analog amp and overdrive preamp that faithfully reproduces the legendary character of a Dumble Overdrive Special, both in tone and touch. Developed from a detailed analysis of a 1970s Dumble amp, the Dumblifier integrates two channels (clean and overdrive), an authentic preamp and power amp section, integrated cabinet simulations, and stereo reverb in a compact pedal format. With extensive switching options including PAB boost, Rock/Jazz tone stack, mid boost, and bright switch the Dumblifier functions either as a full-featured amp replacement via DI output or as a high-quality overdrive/preamp in front of a traditional guitar amplifier. It is designed for guitarists seeking a dynamic, expressive boutique amp experience without the use of digital modeling, offering organic response, touch sensitivity, and tonal richness in a portable format.