How tube amps work, tonal characters of the most common power tubes, and how to replace speakers properly.
Exclusive downloadable ebook.
Five DIY flattop-maintenance and modding pieces covering everything from must-have tools to filing frets, installing strap locks, and mounting a soundhole pickup.
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.