“We promised him that we would keep his legacy alive”: What’s going on with Dumble Amps – and why was the company at NAMM 2025? We discovered the story behind the re-emergence – and future – of the guitar world’s most mythical amp brand

Overdrive Special by Dumble sign at NAMM 2025.

Of all the exhibitors appearing at NAMM 2025, Dumble was by far the most surprising.

Howard ‘Alexander’ Dumble’s legendary eponymous amp brand has been the subject of much online discussion in recent months, after an official Dumble website promising new builds using “trade secrets” was stealth-launched late last year.