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Shepherd is a long-standing user of Alexander ‘Howard’ Dumble’s amps and was a friend of the late amp guru. Here he discusses amps’ mythical status and salutes the man who made them When you purchase ...

For decades, the most-cherished piece of gear owned by Grammy-winner Ben Harper has held a secret. Watch as Ben tells the story...and sheds light on its maker, famed tube amp builder Howard Dumble.