Fender Tone Master Pro settings
Heart-Shaped Box settings for Fender Tone Master Pro
Nirvana · adapted 12 times on ToneAdapt
To get the Nirvana "Heart-Shaped Box" riff tone on a Fender Tone Master Pro, use the Fender '65 Twin Reverb amp model on the crunch channel, then set Drive 6, Master 7, Bass 6, Mid 7, Treble 6, Presence 5. Use the bridge pickup with your guitar's tone on 7-8 and volume on 8-9.
Riff settings
updated 2026-11-06
- Amp model
- Fender '65 Twin Reverb
- Channel
- Crunch
- Cab
- 4x12 Closed Back
- Pickup
- Bridge pickup
- Guitar knobs
- Tone 7-8 · Volume 8-9
Amp block
- Drive
- 6
- Master
- 7
- Bass
- 6
- Mid
- 7
- Treble
- 6
- Presence
- 5
Effects chain
- 1distortionRodent (Pro Co RAT)Volume 7 · Filter 5 · Distortion 6
- 2reverb'65 Spring Reverb (Fender black-panel amp reverb)Mix 4 · Decay 3
Built-in effects
- Reverb off
Playing tips
- Focus on tight palm muting for chugging riffs.
- Use a percussive attack to enhance the punchiness of the notes.
- Experiment with dynamic picking to maintain clarity in the riff.
The original rig
What Nirvana used on the recording, for reference. ToneAdapt translates this to the controls your Fender Tone Master Pro actually has.
- Guitar
- Fender Jaguar (early 1960s, modified with DiMarzio Super Distortion bridge pickup and black Seymour Duncan Hot Rails neck pickup)
- Amp
- Fender Twin Reverb (Silverface, late 1970s)
- Gain
- 6.5
- Bass
- 6
- Mid
- 7
- Treble
- 6
- Presence
- 5
- Reverb
- 2
Different guitar or pedals? Get Heart-Shaped Box adapted to your exact rig
These settings were generated for the gear named above. ToneAdapt adapts Nirvana's tone to your own guitar, pickups, amp and pedals in seconds.
Frequently asked questions
What amp model should I use on the Fender Tone Master Pro for Heart-Shaped Box?
Use the Fender '65 Twin Reverb (crunch channel) with Drive 6, Master 7, Bass 6, Mid 7, Treble 6, Presence 5, followed by Rodent (Pro Co RAT), '65 Spring Reverb (Fender black-panel amp reverb).
Which pickup should I use for Heart-Shaped Box?
Bridge pickup, with the guitar's tone at 7-8 and volume at 8-9.
What gear did Nirvana use on Heart-Shaped Box?
Guitar: Fender Jaguar (early 1960s, modified with DiMarzio Super Distortion bridge pickup and black Seymour Duncan Hot Rails neck pickup). Amp: Fender Twin Reverb (Silverface, late 1970s).
Will these settings work with my guitar?
Different pickups change how much gain and treble you need. ToneAdapt adapts the tone to your exact guitar, pickups, amp and pedals.
Heart-Shaped Box on other amps
- Heart-Shaped Box on Fender Mustang LT25 · 165
- Heart-Shaped Box on Fender Frontman 10G · 67
- Heart-Shaped Box on Boss Katana · 62
- Heart-Shaped Box on Fender Champion 20 · 30
- Heart-Shaped Box on Line 6 Helix Floor / LT / Rack · 20
- Heart-Shaped Box on Fender Frontman 20G · 19
- Heart-Shaped Box on Fender Frontman 15G · 18
- Heart-Shaped Box on Orange Crush 12 · 17
Popular songs on the Fender Tone Master Pro
- Sweet Child O' Mine · Guns N' Roses
- Master of Puppets · Metallica
- Hotel California · Eagles
- Enter Sandman · Metallica
- Back in Black · AC/DC
- Walk · Pantera
- Welcome to the Jungle · Guns N' Roses
- Highway to Hell · AC/DC
- Creep · Radiohead
- Holy Wars · Megadeth
- Stairway to Heaven · Led Zeppelin
- Pride and Joy · Stevie Ray Vaughan
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.