I didn’t go to my first NAMM expecting to play a Dumble Overdrive Special but, somehow, that’s exactly what happened. It all started when we came across a small unassuming booth, which never opened ...

Alexander Dumble didn’t build many amplifiers in his lifetime, so if and when one comes up for sale it’s going to be for silly money. Fortunately, there are some pedal manufacturers out there that ...

California pedal brand Vertex Effects got the chance to get up close and investigate a rare Dumble Overdrive Special guitar amp – an unlabelled example that has since been bought (and used onstage) by ...

Today, I’d like to talk about an unsung hero of rock and roll, the great Lowell George of Little Feat. This past summer, I was very lucky to have purchased his Dumble Overdrive Reverb amplifier. Its ...

Jason Momoa can officially stop looking for a new guitar amp because he is never going to top the pedigree unicorn that Trevor Boone has just unearthed for him – a Dumble Overdrive Special that was ...