The EHX pioneer is one of the guitar world's most colorful characters. He tells us what happened when Hendrix bought one of the first Big Muffs, how the Rolling Stones got him started in the pedal biz ...

Just before he died, guitar amp guru Mark Sampson sat down us to discuss his reunion with Bad Cat, and with the storied US ...

Tremolo circuits began appearing in guitar amps around the late ’40s ... Some amp builders prefer to modulate preamp valve ...

The best tech products announced this week include Bowers & Wilkins' next-gen headphones and some serious audiophile-grade ...

Start Dead Batteries - Safely jump start a dead battery in seconds with this compact, yet powerful, 2000-amp lithium battery jump starter - up to 40 jump starts on a single charge - and rated for ...

This Pre-Amplifier circuit is a minimalistic design, a.o. inspired by valve design, which should help sound clarity. The circuit counts 5 transistors, has 0.1% distortion (expected from 60dB loop gain ...