Review: Hartman Pedals Silicon Crystal Valve

June 20th, 2013

This hand-built-in-the-U.S.A., four-transistor fuzz pedal is based on the Seventies Supa Tonebender popularized by Steve Hackett of Genesis as well as other legendary guitarists.

The Crystal Valve offers an eminently tunable and useable fuzz that can deliver everything from gritty crunch to violin-like singing leads—not to mention the most credible early Black Sabbath grind we’ve ever been able to conjure in the GA test lab. A++


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