Have Had 2 Adcom Gfa 565 Mono Block Since 94. The System Developed A Buzz When Turned On And Got Louder With Time. One Day At Moderate Output,sound Stopped.the Instantainious Distortion Alerts Both Lite Brite. Fuses Blew In The Bass Section Of Both Klipschorns.the Highs Were Ok.the Rear Speakers A Pair Of Klipsch Forta ,unfused Had The Woofers Actualy Go On Fire.i Pulled The Grills And Put Them Out.all Equipment Checks Ok Except The Amps.they Will Both Fry A Speaker In A Snap.does Anyone Know What Happened Here.