John Mayer Amp Settings
EQ dial positions, gain structure, and how to replicate the sound on any amp
Reference Amp (£1,000 Tier)
Fender Blues Junior IV
£449
Gain structure: clean amp pushed by a boost or OD pedal
Amp voice: edge of breakup
Suggested Starting Settings
Dial positions are derived from Mayer's tonal fingerprint. These are starting points — fine-tune by ear on your specific amp.
4
Gain5
Bass5
Mid6
Treble6
Presence3
ReverbAll values on a 0–10 scale. Start here and adjust to room acoustics and your specific amp model.
Choosing the Right Amp
clean fenderFender Twin, Deluxe, Blues Junior — sparkle and headroom. Keep clean and let pedals do the work.
boutique cleanTwo-Rock, Dumble-style — pristine warm headroom. Expensive but tonally unmatched.
Amp at Every Budget
Getting the Most From Your Amp
- Keep the amp clean and use pedals for drive — the amp's headroom lets the pedals breathe.
- Master volume matters — many classic tones only work at significant volume when tubes are working hard.