Last Night my GFA545 died. Likely was my fault. I was using it for Kareoke and the distortion lights were on much of the time but we just kept singing. Using it to push an old pair of Polk SDA2 and a newer pair of Polk RTi 28's coupled using a Phoenix Gold SSM6 switch box. I have done this before but the last time letting the amp cool off fixed things.
No complaints with the GFA 545 but several questions. What did I do to it? Is it worth fixing? More practical if I Buy a GFA 5500 or GFA 5802 will they allow me to do what I want with the speakers I have? Which of the two would you suggest. Other equipment include GFR 555 reciever and GFP 555 Pre Amp.