Mad Professor Simble Overdrive Mk2: Holy Grail Dumble Tone
Mad Professor chases that "Holy Grail" tone
3,7 / 5,0 | 
Mad Professor officially launches its highly anticipated Simble MKII overdrive pedal. Aimed at guitarists seeking that elusive “Holy Grail” tone (you know, that Dumble sound). This revised iteration promises improved headroom, greater clarity, and the same transparent sound that made its predecessor.
Mad Professor Simble Overdrive Mk2
The Simble Mk2 joins a growing trend of drive pedals drawing inspiration from the legendary Dumble guitar amplifiers.
While Mad Professor wisely refrains from making audacious claims of transforming any setup into an Overdrive Special, the Simble Mk2 aims to deliver a taste of that coveted tonal character. Perfect for tone chasers and lovers of transparent, dynamic overdrive tones.
Interactive Controls
With its intuitive and interactive controls for Level, Contour, Attack, and Sensitivity, the Simble Mk2 offers players a wealth of options to sculpt their guitar tone.
It provides expanded dynamics and drive without sacrificing the core integrity of the guitar’s tone. This isn’t a pedal designed to overshadow your amplifier; rather, it’s engineered to help you get the absolute most out of it.
Versatile
The Simble MKII proves versatile enough to complement a wide range of guitars, whether equipped with single-coils, humbuckers, or P-90s. It can be effectively dialed in as a clean boost, leveraging its extra decibels to push the front end of an amplifier.
The Attack dial shapes the overall tonal response of the overdrive. The Contour knob, neutral at noon, allows players to brighten or darken their output to taste. This control has been notably cleaned up from the original, addressing feedback from some players who found it a bit muddy with certain guitars.
Finally, the Sensitivity knob is where players will find increased overdrive and compression. This control particularly highlights the impact of Lassi Ukkonen’s new circuit design, which has been tweaked to significantly improve string clarity, even when the drive is maxed out.
Verdict
This mk2 certainly builds on and improves the original, and the official price point is excellent at only €199, which for a high-quality drive pedal is very good and far less than a Dumble amplifier.
Mad Professor Simble Overdrive Mk2 at Thomann
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