Boss • MXR • EarthQuaker Devices • Eventide • Walrus Audio • DryBell • Ground Control • & More!
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Joe Bonamassa • AC/DC • Tom Petty • Green Day • Eagles of Death Metal
Build your own rotary speaker, replace your output transformer, must-know shopping advice on bass-amp power sections from Ashdown’s Mark Gooday, and more.
From bridge swaps and cheapo upgrades to at-home refinishing and complete parts-guitar builds—how to give new life to your axe.