Updated Sep. 14, 2022

The Electro-Harmonix J Mascis Signature Ram’s Head Big Muff is a limited edition Big Muff Pi based on the 1973 Electro-Harmonix V2 Violet Ram’s Head Big Muff Pi, the version used by the legendary (and uber-influential) guitarist of 90’s alt-rock band Dinosaur Jr.

As you can see in the video below, Mascis has a collection of vintage Big Muff fuzzes, but that specific model is his favorite, found in many of the band’s singles.

This pedal is a Reverb exclusive and can be purchased here (buying it using our affiliate links will generate a small commission for our blog).

You can find other coverage related to J Mascis here.

Electro-Harmonix J Mascis Signature Ram’s Head Big Muff, Builder’s Notes

Electro-Harmonix introduces the J Mascis artist signature fuzz / sustainer pedal based on the celebrated 1973 Electro-Harmonix V2 Violet Ram’s Head Big Muff Pi. The J Mascis Ram’s Head Big Muff Pi produces the indulgent fuzz tone of equal parts thickness and clarity that J has utilized as his sonic center for decades.

“That’s my sound. The Muff is always on” J says. “All distorted sounds begin with the Muff. That’s what I grew up playing so it’s kind of amazing to have my own signature one.”

The special edition pedal is housed in a die-cast chassis with a white and violet finish and includes true bypass switching, a 9V battery and the option of being powered by a 9V AC adapter.

The J Mascis Ram’s Head Big Muff is available exclusively at Reverb.com.