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In Reply to: RE: Update: Quiet fan posted by atkin11j@yahoo.com on September 18, 2016 at 06:49:44
"eliminated any motor activity from the amps power circuit", interesting. I saw some fans that came with power cords but when I saw this one that the factory wiring would plug directly into, I went this way instead. On the BGW, the fan is wired to the AC input. If there's a fault that won't let the amp play and it doesn't trip the circuit breaker, the fan still spins. I wonder if externally powering the fan like you did would affect the SQ the way the BGW is set up?
Follow Ups:
A quiet fan is a dead fan.
On the contrary. There are a number of computer fans out there that move a surprising amount of air with little to no noise.
I also think about the cooling in a pro amp. The fan has to cool the amp when it is being driven very hard for long periods of time. In a home audio listening environment that isn't usually the case. So even using a fan with a little less cfm than a factory unit should still work out ok.
That did not turn out to be the case for me. The fan works hard when driving the bass panels. I would not take down the air displacement rating to get more quiet. I already had the amp burn out its own thermal control circuitry and go in for repair.
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