Korn has just unveiled and swiftly sold out one of the most highly anticipated pieces of gear for nu metal guitarists and collectors: the Indigo Sludge Preamp + Fuzz pedal. This super-limited run stompbox promises to deliver the exact, genre-shaping guitar tone of guitarists Munky and Head from the band’s iconic debut album, created during the legendary mid-’90s Indigo Ranch sessions with producer Ross Robinson.
Despite a $250 price tag, all 500 red-and-black units were snatched up within two days of the announcement on the band’s Instagram, proving the insatiable demand for a true piece of Korn history.
A Tonal Revolution in a Box
The Indigo Sludge Preamp + Fuzz isn’t just “inspired by” the classic sound of tracks like “Blind” and “Shoots and Ladders”; it’s an authentic recreation built on the same undisclosed tonal ingredients that forged them.

“It really takes me back to the days of the Indigo Ranch.” — Munky
This pedal is specifically modeled after the complex and heavily modified rigs used during those sessions.
- Preamp Section: Modeled on the high-gain preamp stages of the original Indigo rigs, it delivers the tight, saturated crunch that defined Munky and Head’s seven-string riffing.
- Fuzz Circuit: Inspired by the modded fuzz pedals used during the ’94–’96 era, it adds a layer of woolly, sustain-drenched chaos.
- Octave Switch: A key feature for adding gut-rattling depth—perfect for subterranean, downtuned chugs.

Get Weird: Full Control Over Nu Metal Crunch
The pedal offers extensive control to dial in your preferred flavor of ’90s heavy:
- Preamp Controls: Standard Volume and Gain are joined by a powerful three-band EQ and a Presence dial for total autonomy over the pedal’s high-gain character.
- Independent Fuzz: The fuzz circuit gets its own dedicated Gain, Volume, and Tone controls, allowing players to perfectly blend the desired amount of sludgy chaos with the tight preamp crunch.
Early Nu Metal Tones?
Ready for any pedalboard, the unit features true bypass switching and standard 9V power, all housed in a road-ready chassis. Though the original “ingredients”—rumored to have included Marshall tube amps, Peavey solid states, and modified Boss Metal Zones—have been a secret for decades, this pedal promises to put those tones on tap.
Shipping for the Indigo Sludge Preamp + Fuzz is slated to begin in November, and every unit includes a Certificate of Authenticity personally signed by Munky, cementing its status as a collector’s item and a genuine piece of metal history you can stomp on.
MSRP – $249.99Â SOLD OUT!
#Korn #Indigo Sludge Preamp + Fuzz
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