Quote:
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Originally Posted by nexxo
... so I figure efforts to optimize cooling are better invested somewhere else ...
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Well, once you've done the other things and
if one of the things you're trying to optimize for is quiet/silence (below ambient noise level) then you try things like stacking fans on the pull side. You might get a better noise / static-air-pressure balance than if you simply raised voltage to the fan. It happened to work in my case - and might not for you (and IMHO isn't worth bothering with if you either don't care about quiet or your idea of quiet is 30dB or louder).
I've since ordered a couple of surplus cage fans and will checking out the same noise / static-air-pressure trade-off with
these.
I
suspect it'll be better than stacking axial fans (it
is based on the fan/blower curves I've been looking at - but I may be overlooking something important)
Bob