John Mayer’s Fender Tonemaster
This is the amp that was often seen next to the Super Reverb on stage during the Room for Squares tour circa 2002. It is unknown whether John actually used this amp since it could’ve been used by the guitarist standing to his right, Michael Chaves (thanks Hunter).
Feedback
We value your input at GroundGuitar! If you spot any inaccuracies or have additional info, leave a comment below.
For direct communication, use the Contact Form. (Dan)
The guitarist to his right at this show was Michael Chaves