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.
Exclusive downloadable ebook.
From bridge swaps and cheapo upgrades to at-home refinishing and complete parts-guitar builds—how to give new life to your axe.
Must-Know First-Aid • 101-Level Mods • Bonamassa’s Under-the-Radar Faves
How tube amps work, tonal characters of the most common power tubes, and how to replace speakers properly.