Boss Katana settings
Gravity settings for Boss Katana
John Mayer · adapted 5 times on ToneAdapt
To get the John Mayer "Gravity" solo tone on a Boss Katana, set Gain 1.5, Bass 5, Mid 6, Treble 6, Reverb 5, Phase switch 0. Use the neck pickup with your guitar's tone on 7-8 and volume on 8-9.
Solo settings
Adapted for a Squier Stratocaster · updated 2026-10-01
- Pickup
- Neck pickup
- Guitar knobs
- Tone 7-8 · Volume 8-9
Boss Katana knobs
- Gain
- 1.5
- Bass
- 5
- Mid
- 6
- Treble
- 6
- Reverb
- 5
- Phase switch
- 0
Built-in effects
- Reverb on (spring) · 5.5
Playing tips
- Use your amp's built-in reverb set to a moderate level to recreate the spacious feel of the original tone.
- Play with a light touch to maintain dynamics and clarity in your notes.
- Focus on fingerstyle technique to achieve a smooth, expressive sound.
Riff settings
Adapted for a Ibanez Artcore AS73G Semi-Hollow Body · updated 2026-03-27
- Pickup
- Neck + Middle
- Guitar knobs
- Tone 6-7 · Volume 8-9
Boss Katana knobs
- Gain
- 4
- Bass
- 6
- Mid
- 5
- Treble
- 6
- Presence
- 5
- Reverb
- 1.5
- Solo
- 0
- Contour
- 0
- Power control
- 3
- Cabinet resonance
- 1
Built-in effects
- Reverb off
Playing tips
- Use your amp's built-in delay set to a moderate level to recreate the spacious feel of the original tone.
- Keep your guitar volume at 8-9 for a balanced output that matches the original tone.
- Experiment with the bridge pickup for a brighter, more cutting tone that suits the riff.
The original rig
What John Mayer used on the recording, for reference. ToneAdapt translates this to the controls your Boss Katana actually has.
- Guitar
- Fender Stratocaster (likely John Mayer Signature or 1964 Stratocaster, as used on Continuum studio recording)
- Amp
- Two Rock Custom Reverb Signature and Dumble Overdrive Special (both blended in studio)
- Gain
- 4
- Bass
- 6.5
- Mid
- 6
- Treble
- 6
- Presence
- 5.5
- Reverb
- 5
Different guitar or pedals? Get Gravity adapted to your exact rig
These settings were generated for the gear named above. ToneAdapt adapts John Mayer's tone to your own guitar, pickups, amp and pedals in seconds.
Frequently asked questions
What are the best Boss Katana settings for Gravity?
Set Gain 1.5, Bass 5, Mid 6, Treble 6, Reverb 5, Phase switch 0.
Which pickup should I use for Gravity?
Neck pickup, with the guitar's tone at 7-8 and volume at 8-9.
What gear did John Mayer use on Gravity?
Guitar: Fender Stratocaster (likely John Mayer Signature or 1964 Stratocaster, as used on Continuum studio recording). Amp: Two Rock Custom Reverb Signature and Dumble Overdrive Special (both blended in studio).
Will these settings work with my guitar?
These settings were adapted for a Squier Stratocaster. Different pickups change how much gain and treble you need. ToneAdapt adapts the tone to your exact guitar, pickups, amp and pedals.
Gravity on other amps
Popular songs on the Boss Katana
- Master of Puppets · Metallica
- Sweet Child O' Mine · Guns N' Roses
- Walk · Pantera
- Hotel California · Eagles
- Enter Sandman · Metallica
- Holy Wars · Megadeth
- Back in Black · AC/DC
- Whole Lotta Love · Led Zeppelin
- Raining Blood · Slayer
- Crazy Train · Ozzy Osbourne
- Welcome to the Jungle · Guns N' Roses
- Smells Like Teen Spirit · Nirvana
Settings are generated by ToneAdapt's tone adaptation for the gear named on this page and are a starting point — every amp, guitar and room is a little different.