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John Mayer's updated Dead & Company Pedalboard (June 2016) : r/guitarpedals
Sold - RARE! Original Keeley KTW-1 Workstation...John Mayer | The Gear Page
John Mayer's Sob Rock Pedalboard Breakdown - YouTube
The John Mayer Sound - YouTube
Updated pedalboard - John Mayer inspired-ish : r/guitarpedals
Universal Audio Max Stereo Preamp and Dual Compressor Effect Pedal
It's not a replica or a clone. It's the actual thing”: JHS Pedals revives influential gear brand Ross Electronics – and recruits John Mayer, Brian Wampler and Robert Keeley for new documentary