dumble amp pedal DSM & Humboldt | Dumblifier Overdrive Special | Dual Channel Stereo Amp |  w/ Reverbs | Based on ODS Dumble Amp
SKU: 50789879135
dumble amp pedal

dumble amp pedal DSM & Humboldt | Dumblifier Overdrive Special | Dual Channel Stereo Amp | w/ Reverbs | Based on ODS Dumble Amp

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Description

dumble amp pedal DSM & Humboldt | Dumblifier Overdrive Special | Dual Channel Stereo Amp | w/ Reverbs | Based on ODS Dumble AmpDSM Humboldt DUMBLIFIER Overdrive Special is the inaugural release in the new ESSENTIALS series, a product line dedicated to faithfully recreating the sound of mythical and historically significant guitar amplifiers. These are designs that defined entire generations of guitar tones, and the ESSENTIALS series aims to preserve both their sonic identity and the playing experience that made them legendary. The Dumblifier is built around a deep and

DSM Humboldt DUMBLIFIER Overdrive Special is the inaugural release in the new ESSENTIALS series, a product line dedicated to faithfully recreating the sound of mythical and historically significant guitar amplifiers. These are designs that defined entire generations of guitar tones, and the ESSENTIALS series aims to preserve both their sonic identity and the playing experience that made them legendary.

The Dumblifier is built around a deep and meticulous study of the 1970s Dumble Overdrive Special. DSM Humboldt analysed original schematics, archived recordings, video references, and spent extensive time testing real Dumble amplifiers. Every gain stage, tone-shaping element, and dynamic interaction was examined and recreated with the goal of capturing the true behaviour of the original circuits.

Although each original Dumble amp was custom-built for its owner, they shared a common design philosophy. This philosophy produced a uniquely compressed yet punchy response, exceptional touch sensitivity, and a dynamic feel that reacts instantly to the player. The Dumblifier preserves this core character, translating it into a compact, fully analog format without sacrificing authenticity.

In terms of tone, the Overdrive Special is exceptionally versatile. The Clean channel delivers pristine, articulate, and punchy tones with plenty of headroom, while pushing the levels introduces smooth, fat clipping. The Overdrive channel is rich and silky, with every note blooming naturally and responding directly to picking dynamics and playing style.

What truly sets the Dumblifier apart is the feel. Fast note recovery, a strong initial attack, and long, singing sustain invite you to hold notes and shape harmonics with ease. This inspiring response encourages expressive playing and makes it easy to achieve infinite sustain. The Dumblifier doesn’t just recreate the sound of a legendary amplifier - it recreates the experience of playing one.

  • Dual-channel design with Clean and Overdrive channels in series

  • Shared EQ and preamp tone switches for both channels

  • Overdrive channel with Gain and Ratio controls for level balancing

  • PAB (Preamp Boost) bypasses the tone stack for approximately +10dB gain

  • Bright switch enhances high frequencies at lower Clean levels

  • Mid Boost switch adds body and low-mid presence

  • Rock / Jazz switch changes tone stack behaviour

  • Authentic Dumble-style power amp modelling with adjustable compression

  • Presence control for fine-tuning brightness across different amplifiers and setups

  • Stereo FX loop with mono send and stereo return

  • Stereo reverb with Room, Ethereal, and Plate modes

  • Independent stereo cabinet simulation for left and right channels

  • Multiple speaker and cabinet combinations selectable

  • JFET input boost with low and high gain options

  • Footswitches for Bypass, Channel select, and Reverb / PAB control

  • Headphone output with dedicated level control

  • 3.5mm stereo Aux input with routing selection

  • Stereo DI outputs with cabinet simulation always active

  • TR outputs with selectable cabinet simulation on/off for amp, FRFR, or recording use

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SKU: 50789879135

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Andres Hoyos
Chelsea, US
★★★★★ 5
Excellent customer service
Format: Paperback
Totally recommendable.
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Reviewed in the United States on August 26, 2019
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Amazon Customer
Whiting, US
★★★★★ 5
Five Stars
Format: Paperback
This helped a lot for us to prepare for the SLATE exam.
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Reviewed in the United States on August 23, 2016
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Amazon Customer
Belleville, US
★★★★★ 5
Good
Format: Paperback
This is great! I like this one.
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Reviewed in the United States on June 22, 2016
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Ng Meowster
Whiting, US
★★★★★ 2
Good to have if you've never seen the iTEP exam, but don't rely on it to boost your scores
Format: Paperback
This book is good in that it comes with two practice tests: one in the beginning of the book, one in the end of the book. The grading rubric is helpful too. However, the actual guide part of the book, doesn't help too much with how to improve test scores. What I like least about this guide is that it won't tell you which questions you answered incorrectly on the practice exams. A good test prep guide will tell you what you answered incorrectly, and will tell you what logic to follow to get to the correct answer. In the reading passages, it would be nice to know where I can find evidence to justify the "correct" answer. In the grammar section, it would be nice to know which rule I'm violating. Any test guide should always come with some testing strategies. I.E. If this question is taking up too much time, skip it and go to the next one. This guide lacks simple strategies like that. Simple strategies like that could be useful when incorporated into this guide because there are certain sections on the exam that you can go back to previous questions, but some sections where the "back" button is disabled. Overall, if you've never seen an iTEP exam before, this book is certainly helpful in that it will give you an idea of what you will be testing for. However, this book alone won't help you achieve a score of 6. The table of contents itself will tell you there are only 86 pages of actual content covering test material. That's not enough to cover how to excel in the exam.
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Reviewed in the United States on January 27, 2015
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Cliente Amazon
Bozeman, US
★★★★★ 1
Don't buy it
Format: Paperback
It does not prepare for the real test. Using it is absolutely not enough to be approved with good grades. Too expensive for what it offers.
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Reviewed in the United States on October 21, 2016

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