What does a Dumble ODS-100 Overdrive Special built to Alexander “Howard” Dumble's personal specs sound like? Pretty, pretty good...
Alexander “Howard” Dumble, legendary amp builder of Dumble Amps, has passed away
Dumble amp - Overdrive Special history by D-TONE AMPS
Overdrive Special Guitar Amplifier – Nembrini Audio
Buy Blues 20 Dumble Overdrive Special Clone 20 Watt Combo
A 1995 Dumble Overdrive Special, valued at $175,000, has risen to the top of Reverb.com's most-watched list | Guitar World
Dumble Overdrive Special Clone. 50w Hand Built Clone of ODS #40. — 20th Century Toys
Custom Grand Amps Dumble D Style Pedals Overdrive Tone Special Ods20 Guitar AMP Replica In Brown Color JJ Tubes Vox Grill Cloth From Grandtechnology, $726.14 | DHgate.Com
How to get classic Dumble Overdrive Special tones using guitar modelling | MusicRadar
What's the Deal with Dumble Amps? | Stringjoy
Clarity & Controversy: The History of Howard Dumble and his Legendary Amplifiers