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Trying to work out Noise levels

post #1 of 5
Thread Starter 
Compare a 27 DB 80 mm to something...
Compare a 36 DB 120 mm fan to something..

Also I'm buying a fan bus, that has adjustable trimpots for changing fan voltages...Thanks.
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post #2 of 5
http://www.dangerousdecibels.org/tea...pendices_3.pdf

Both are pretty quiet fans..
    
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post #3 of 5
Thread Starter 
But of course fans make different noises in different sizes..and some have said 36 db is extremely loud...cheers for the reply
Edited by dead_j0ker - 5/16/08 at 12:30am
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post #4 of 5
Well... you just have to see if a fan actually performs at the promised specs. Many fans are louder than they claim to be.

When you have ONE 36dB fan, it's pretty quiet.. however, if you have a bunch, it'll get pretty darn noisy! That's another aspect.

It's just like when one person talks, it isn't as noisy when four people talk... even when they all talk at the same level.
    
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post #5 of 5
Thread Starter 
True point, 2 of them at the back, 1 at the front along with my stock icute 120 MM which makes a fair amount of noise as well, I can hook 4 fans up to the fan bus but I doubt the 2 back fans would reach to the bay it'd be sitting in, as for the 80 mm fans there might be about 3.

EDIT: Also my current fans are, the icute 120 mm at front(makes some decent noise), some black fan at the back(quietish), Coolermaster 80 mm on the side(very quiet 23 db)
Edited by dead_j0ker - 5/16/08 at 12:41am
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