I didn’t know what to expect when I unpacked my new Variax 700 digital modeling guitar from Line 6. I was afraid that it would end up being a technological freak: a half-assed attempt at a guitar with ...

Aerosmith guitarist Joe Perry is lucky. If he’s working on a track at his home studio and he needs a particular sound, he can just go grab another guitar, plug in, and another classic track is born.