Fender Blues Junior IV settings
Heart-Shaped Box settings for Fender Blues Junior IV
Nirvana · adapted 3 times on ToneAdapt
To get the Nirvana "Heart-Shaped Box" riff tone on a Fender Blues Junior IV, set Gain 6.5, Volume 6, Master 5, Bass 5, Mid 6, Treble 6. Use the bridge pickup with your guitar's tone on 7-8 and volume on 8-9.
Riff settings
Adapted for a HSS Stratocaster · updated 2026-09-27
- Pickup
- Bridge pickup
- Guitar knobs
- Tone 7-8 · Volume 8-9
Fender Blues Junior IV knobs
- Gain
- 6.5
- Volume
- 6
- Master
- 5
- Bass
- 5
- Mid
- 6
- Treble
- 6
- Reverb
- 0.5
- Fat switch
- 1
Built-in effects
- Reverb on (spring) · 3
Playing tips
- Use your amp's built-in reverb set to a low level for a subtle ambiance.
- Maintain a tight palm muting technique for punchy, percussive chugs.
- Keep your picking dynamic to capture the gritty edge of breakup tone.
The original rig
What Nirvana used on the recording, for reference. ToneAdapt translates this to the controls your Fender Blues Junior IV 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 are the best Fender Blues Junior IV settings for Heart-Shaped Box?
Set Gain 6.5, Volume 6, Master 5, Bass 5, Mid 6, Treble 6.
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?
These settings were adapted for a HSS Stratocaster. 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 Blues Junior IV
- Pride and Joy · Stevie Ray Vaughan
- Whole Lotta Love · Led Zeppelin
- Sultans of Swing · Dire Straits
- Layla · Derek and the Dominos
- Sweet Child O' Mine · Guns N' Roses
- Back in Black · AC/DC
- Crossroads · Cream
- Comfortably Numb · Pink Floyd
- The Thrill is Gone · B.B. King
- Master of Puppets · Metallica
- Black Hole Sun · Soundgarden
- Rooster · Alice in Chains
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.