Amp making weird noise?

Grinder1989
5,000+ posts

Sundown Audio Dealer
My PA A2400DB is making this weird humming noise. Its like 20 degrees outside and I was just checking over everything because of my new 150 amp circuit breaker and i noticed it was humming. It doesn't have a fan so is there an explanation? thanks

Grinder

 
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Grinder1989

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