. For those unfamiliar with gsp21 is very well thought out because it: 1) an analog effects section (comp, 4 distos, 7-band EQ, enhancer, EQ, etc.) 2) a loop that allows promising R & D a preamp (which is rgable in series, PARALLEL, etc.) 3) effects numriques coming APRS loop is added in series or in PARALLEL
IN ADDITION, MANY SOUNDS OF GUITAR LEGEND (Tommy Iommi, Steve Morse and many others) are included in the machine or appelattion this series LEGEND.
Possess in a rack for almost everything in the matter of his electric guitar;
the distortion and other plant are amazing.

UTILIZATION

highly simple to use and clear manual

SOUND QUALITY

distos beautiful, warm sound

OVERALL OPINION

use since 1997 without m tired, I have 2.