Rebecca Dirks is On Location at Tinley Park, IL, where she goes onstage
and checks out John Mayer's current live setup with the help of
legendary guitar tech Rene Martinez (Stevie Ray Vaughan, Prince, Mick
Jones).
In this segment, Rene walks us through John's amps
(Dumble Steel Stringer, Two-Rock John Mayer Signature, and Fender
Bassman), his cabinets (Alessandro 2x12s with Celestions), his effects
(including Eventide TimeFactor, a Boss GE-7 Equalizer, an Ibanez TS-10
Tube Screamer Classic, a Roger Linn AdrenaLinn III Beat-Synced Filter
Effects Processor, a Korg Toneworks G4 Rotary Speaker Simulator, a Klon
Centaur Professional Overdrive, a small Analog Man Comprossor, an
original Marshall Bluesbreaker, a Keeley Electronics Katana Clean
Boost, a MXR M-108 10-band EQ, a Roger Linn AdrenaLinn Groove Filter
FX-Amp Modeling-Drum Box Processor, a Roger Linn AdrenaLinn II
Beat-Synched Filter Effects Processor, a Way Huge Aqua Puss Analog
Delay, and an additional Eventide TimeFactor), which is anchored by a
custom Bob Bradshaw switching system and controller. Rene even shows
off some of Mayer's 40 guitars he currently has on tour.