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45dba how loud is it - Page 3

post #21 of 27
Quote:
Originally Posted by thehighlander123 View Post
well im looking for some high cfm fans for my radiator (bix360) that arent too loud
Definitely go for the Ultra Kaze 2000.
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post #22 of 27
45dB is kind of loud, if you are planning to sleep close to the computer (like me ) then get a fan that has about 30 dB max.

The quieter the better, since in long terms, even "quiet" sounds can make a difference. One of my relatives used to live near a old power station, when he moved in he thought it's no big deal and after a couple years, he experienced serious headaches and couldn't hear from one ear anymore. He is dead now (he wasn't a smoker or an alcoholic). It appeared that the old and working power station made certain kind of sounds that were detrimental. This is why I've always taken constant sounds/vibrations in my living environment seriously.
Edited by Karlz3r - 6/24/08 at 2:52pm
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post #23 of 27
Quote:
Originally Posted by Jacko87 View Post
Not quite...everytime you double a sound's power, it increases by 3 dB. So 28dB is twice as loud as 25dB, which is twice as loud as 22dB and so on. Not sure if this is correct, but I know it is not a x10 increase over every decibel.
It's definitely not a 10x increase, I have no idea where he got that from.
A 3 dB increase sounds about twice as loud TO THE EAR. You pretty much had it though.

So an increase from 25dB to 28dB would seem twice as loud to the normal person. This is all theory though and is not exact in the real world.

Check out http://www.sidewindercomputers.com/tecar.html

Match up your sound with the 35 dB one you have, and then play the 45 dB one and youll see how much louder it is.
Edited by Linxus - 6/24/08 at 3:05pm
post #24 of 27
Quote:
Originally Posted by thehighlander123 View Post
i can stand an antec tri cool 120mm at full tilt
Most 45db fans are going to be at least twice as loud as an antec tri-cool on high.

I set my limit at 40db for fans, clearly audible, but I can tolerate it, and sleep with it nearby. Some people will certainly prefer less.
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post #25 of 27
My hard drive has to be under ship's engine room, hopefully some sound dampening material will shut this up.
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post #26 of 27
Its more annoying than loud.
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post #27 of 27
i have this fan and for 45db 133cfm its worth it, it moves twice as much as your average 120mm, and besides u don't always have to full blast it. I have mine most of the time at about 1600 rpm and its not loud and i bet its putting out 60cfm+
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