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Dumble Overdrive Special Combo

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Page last updated Mar 13, 2026

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Description

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The Dumble Overdrive Special Combo is not just an amplifier; it's a legendary piece of musical history cherished by iconic guitarists like Carlos Santana, John Mayer, and Larry Carlton. Crafted meticulously in California by the renowned Howard Alexander Dumble, this amp stands as a testament to unparalleled sound quality and exclusivity. Its elusive production run ensures that each unit is a collector's item, offering a unique tonal palette that is both versatile and richly dynamic.

Designed for the discerning guitarist, the Overdrive Special Combo delivers a warm, expressive voice that transforms your guitar's sound into an expansive and articulate sonic experience. Whether you're playing blues, jazz, or rock, this combo amp offers the perfect balance of clarity and sustain, making it the ideal choice for professional musicians and tone aficionados alike. The amp's coveted overdrive circuit is known for its ability to produce harmonically rich and smooth overdrive, a feature that has come to define the Dumble sound.

Key Features:

Hand-crafted in California by Howard Alexander Dumble
Renowned for its warm, expressive tonal quality
Highly sought after due to limited production
Features a legendary overdrive circuit for smooth, rich sound
Favored by famous artists like Carlos Santana and John Mayer

Product specs

Brand	Dumble
Model	Overdrive Special
Finish	Brown
Year	1977
Categories	Guitar Combo Amps
Direct Output	No Direct Output
Electronics	Tube
Number of Channels	1 Channel
Number of Inputs	2 Inputs
Reverb	None

FAQs

What kind of tubes does the Dumble Overdrive Special Combo use?: The Dumble Overdrive Special Combo typically uses 6L6 tubes, which contribute to its rich and dynamic tonal characteristics.
How many channels does the Dumble Overdrive Special Combo have?: The Dumble Overdrive Special Combo features a single channel, designed to deliver its renowned overdrive and clean tones seamlessly.
Does the Dumble Overdrive Special Combo include built-in reverb?: No, the Dumble Overdrive Special Combo does not include built-in reverb, focusing instead on its pure overdrive sound.
How many inputs are available on the Dumble Overdrive Special Combo?: The Dumble Overdrive Special Combo is equipped with two inputs, allowing for versatile connectivity options for different instruments or setups.
Is the Dumble Overdrive Special Combo suitable for live performances?: Yes, the Dumble Overdrive Special Combo is highly regarded for live performances due to its powerful tube-driven sound and legendary overdrive capabilities.

Videos

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Guitarist

Mick Taylor Plays Through A Rare Dumble OD Special Amplifier

Guitarist

Dumble Overdrive Special Combo Amp Demo by Derek Ferwereda

The Guitar Room

Reviews

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Dumble Overdrive Special Combo.

Build quality

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Dumble amps have circuit boards encased in epoxy, complicating repairs like capacitor replacement. Owners often find it challenging to service these components.
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Comparisons

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Dumble Overdrive Specials are noted for a mid-focused tone ideal for blues-rock, resembling the feel of non-master volume amps with unique voicing.
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Use cases and applications

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Owners report these amps respond distinctively to pick dynamics and touch, behaving uniquely for each player even using the same guitar and pick.
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Mods and upgrades

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Owners have successfully modified Fender amps with Dumble features, like Bluesmaster and Skyliner tone stacks, achieving similar sonic qualities without major circuit changes.
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Value and pricing

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The high resale prices are driven by rarity and historical use by famous musicians, not by the original price set by Alexander Dumble, who reportedly died broke.
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Critic Reviews

Examining a ’77 Dumble Overdrive Special 1x12 | GuitarPlayer

guitarplayer.com

The 1977 Dumble Overdrive Special Combo embodies the pinnacle of custom amp craftsmanship, delivering a rich, dynamic sound that has captivated legendary guitarists. Its unique design offers a remarkable tonal versatility, transitioning smoothly from clean to a creamy overdrive that many claim is unmatched. However, the exclusivity and price tag—often in the tens of thousands—may deter average players. While the amp shines with its rich harmonics and responsive feel, its rarity makes it a coveted piece rather than a practical choice for most. Overall, it’s a dream amp for serious musicians, but accessibility remains a significant hurdle.

positive

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Under the microscope: Dumble Overdrive Special | MusicRadar

musicradar.com

The Dumble Overdrive Special Combo stands as a titan in the boutique amp world, revered for its unparalleled tonal clarity and dynamic responsiveness. Players like Robben Ford attest to its transformative effect on their sound, making it a must-try for tone aficionados. However, its astronomical price tag—often exceeding £100,000—places it firmly out of reach for many musicians. While it excels at delivering rich, nuanced tones, the amp's exclusivity and the difficulty in finding one can leave potential buyers feeling frustrated. For those who can afford it, the Dumble represents the pinnacle of amp craftsmanship; for others, it remains an elusive dream.

positive

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Artist usage

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Eric Clapton

Guitarist

Mark Knopfler’s Guitar Heroes

Verified via YouTube

Clapton used a Dumble Overdrive Special on his 2013 US tour.

Joe Bonamassa

Singer, Guitarist

Mark Knopfler’s Guitar Heroes

Verified via YouTube

En el minuto 36:09 puede visualizarse el conjunto de amplificadores combos que usa en vivo

Ariel Posen

Singer, Guitarist

Verified via YouTube

Ariel is plugged into a Dumble Overdrive Special at Carter Vintage Guitars in Nashville for this Stringjoy interview. The amp is not his.

Ben Harper

Singer, Guitarist

Yellowcard

Verified via YouTube

This Dumble Overdrive Special was actually modified specifically for Ben Harper at Dumble. It is used regularly by Ben Harper on tour as explained in rig rundown by Premier Guitar.

Jess Carson

Singer, Guitarist

Midland

Verified via Photo

On Jess's official Instagram, he is seen playing a 1957 Gibson Les Paul into a Dumble Overdrive Special amplifier. He is quoted saying: "1957 Les Paul into a Dumble".