You can have John Hillig at Musical Concepts repair and modify your amp. He does first rate work. Go to his website musicalconcepts.com.
Hafler
I have a Hafler DH 500. The amp has powered down and the power switch is blinking red. I can turn the amp off and let it cool for a while and it will again be operational for a while and then it goes down and the power switch blinks.What is happening? I also need a owners manual for the DH 500 . Thanks Jim.
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