Breed amp settings — Fender Mustang LT25

The Nirvana guitar tone for “Breed”, dialed in for a Fender Mustang LT25 with a Univox Highflyer. Studio recording, Nevermind (1991) - Main Riff / Rhythm

Original rig

Fender Mustang / Strat (bridge humbucker) -> Boss DS-1 / ProCo Rat -> Mesa/Boogie Studio Preamp + Crown Power Base 2 into Marshall 4x12 cab

Raw, raspy, mid-heavy punk distortion with aggressive pick attack

Amp settings — Fender Mustang LT25

CHANNEL'65 Twin Clean (Clean amp model)BRIGHToffBOOSToff

Knob	Setting (0–10)
Gain	2
Bass	5
Treble	5
Reverb	0
Master	6

Don’t have a Fender Mustang LT25? See this song on other amps → Match your own rig →

Guitar

PICKUPbridge TONE10 VOLUME10

Signal chain

01Boss DS-1

Primary distortion source (run into front of amp)

Tone 5 · Level 7 · Dist 9

Why these settings

Because you own a real Boss DS-1, it serves as the sole distortion source in front of the Mustang LT25's clean '65 Twin model to avoid muddy double-gain stacking. The Mustang LT25 lacks a dedicated physical mid control on this preset layout, so the amp EQ is kept flat while the DS-1's Tone knob shapes the biting upper-mid cut. The P90/single-coil output of the Univox Hi-Flier naturally delivers the gritty, aggressive bite heard on the record.

PRO TIPDig in hard with a thick pick close to the bridge using strict downstrokes on the main riff to capture Cobain's explosive, percussive string attack.

Get this tone on your amp

These settings are for a Fender Mustang LT25. ToneAdapt matches any song to whatever amp, guitar and pedals you own — first match is free.

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Song, artist and gear names are used to identify the tone being matched; ToneAdapt is not affiliated with or endorsed by the artists or manufacturers mentioned. Settings are AI-generated starting points — trust your ears.