RA300 Amplifier Cutting Out

Hi! I have had an Alesis RA300 amplifier for a few years now and it has performed very well, powering my 12", 8ohm JBL Lancer 88 cabinets (1969 vintage) for my mini studio. Now when I use the amp, it will cut out for no apparent reason. I'll be playing music through the amp at very low levels (no LED's lit) and the sound will just shut off. At the same time I hear a click from inside the amp. Some time, maybe 2 to 30 seconds later I'll hear another click from inside the amp and the sound will come back. It sounds like the overload relay is tripping for no reason. Any idea how this can be fixed?


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