Dumble guitar amps – and tube amps that were modded by the late amp technician – are some of the most elusive, most expensive pieces of guitar gear that you could ever hope to get your hands on. To ...

Esteemed producer Andrew Watt has revealed that the iconic amp designer and builder Alexander Dumble made four custom amps specifically for him – and Pearl Jam went on to use these amps on their newly ...

"I have Marshalls, Fenders, Voxes, Oranges, Supros – all different kinds of amps. But since the day we got this amp I've not plugged into anything else," he said of his favourite Dumble modded amp ...