How tube amps work, tonal characters of the most common power tubes, and how to replace speakers properly.
Exclusive downloadable ebook.
Master the guitar with this time-tested method of visualizing and expanding basic chords, scales, and modes across the fretboard.
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.
Boutique guru Jeff Bober on effects-loop and speaker issues, and diagnosing readers’ Peavey and Hiwatt amps.