Quote:
"VOX is a famous musical equipment manufacturer known for their guitar amplifiers most notably used by the Beatles, Tom Petty and Thom Yorke of Radiohead. The VOX AC30 is their signature amplifier. Recently VOX released the amPhones AC30, a headphone that reproduces the sound of this famous guitar amp. "
Link: http://blog.testfreaks.com/review/review-of-amphones-ac30-headphones/