Vintage MXR MX-103 script Blue Box 1975 sub octave fuzz guitar pedal
Cosmetically scratched and well used but in perfect working order.
The Blue Box Octave Fuzz takes your guitar signal and duplicates it two octaves down for a huge, subterranean tone. The Blend knob lets you control how much of the fuzz tone is mixed with the two octaves down signal. Notable Users: J Mascis, King Buzzo, Rowland S Howard, Jimmy Page. The MXR Blue Box is the crazy effect heard on Jimmy Page’s “Fool in the Rain” solo. It takes your guitar signal and duplicates it two octaves down