Analog power amp and toroidal transformer provide the current required to control the speakers at high volume.

Boost control adds tube like harmonics and signature "GK growl" using G.I.V.E. technology.

Heavy duty chassis, large toroidal transformer and double sided boards ensure stable performance under the most rigorous conditions.

Inherited from the 800RB, this unique design varies the EQ bandwidth to retain a musical response even at extreme settings.