The late Alexander Dumble built only a handful of meticulously crafted, much-sought-after amplifiers every year – and they ended up in the backlines of many of the greatest guitarists of all time. So ...

Let’s not forget, the Cornerstone Colosseum, with its similarly configured Blues Breaker and Klon-style drive circuits, is one heck of a pedal. The Imperium V2 is available now – see ...