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post #12461 of 16282
Quote:
Originally Posted by lagittaja View Post

Any 140mm fan running at 1000rpm will be loud. The speed of the blade tips spinning at 1000rpm is so high.
Good thing that we have fan controllers so we can make our fans silent.

Did you know that a 140mm fan would produce less noise than a smaller fan spinning at the same speed? That's one of the advantages to using 140mm and larger fans.
post #12462 of 16282
Quote:
Originally Posted by chessmyantidrug View Post

Did you know that a 140mm fan would produce less noise than a smaller fan spinning at the same speed? That's one of the advantages to using 140mm and larger fans.

Haha, I hope that was a joke.
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post #12463 of 16282
Quote:
Originally Posted by lagittaja View Post

Haha, I hope that was a joke.
Consider a ceiling fan. You can literally feel how much air it moves on the lowest setting. As you speed it up, it gets louder but nowhere near as loud as any case fan would at similar speeds. Physics is hard to understand sometimes.
post #12464 of 16282
Quote:
Originally Posted by chessmyantidrug View Post

Consider a ceiling fan. You can literally feel how much air it moves on the lowest setting. As you speed it up, it gets louder but nowhere near as loud as any case fan would at similar speeds. Physics is hard to understand sometimes.

I'm a bit confused as to where you're coming from as well. A 140mm fan at 1000 RPM is louder then a 120mm fan at 1000 rpm. The point of bigger fans is that you can keep them at lower rpms to move a similar amount of air to a faster spinning, louder smaller fan, as long as there's not to much restriction. headscratch.gif

Otherwise we'd all have 1200 RPM + 200/230mm case fans.

Celing fans only have 3 or four blades spread wide apart generally, I'm no scientist but that surely has something to do with it being quieter. redface.gif
post #12465 of 16282
Quote:
Originally Posted by chessmyantidrug View Post

Did you know that a 140mm fan would produce less noise than a smaller fan spinning at the same speed? That's one of the advantages to using 140mm and larger fans.

Quote:
Originally Posted by lagittaja View Post

Haha, I hope that was a joke.

Quote:
Originally Posted by chessmyantidrug View Post

Consider a ceiling fan. You can literally feel how much air it moves on the lowest setting. As you speed it up, it gets louder but nowhere near as loud as any case fan would at similar speeds. Physics is hard to understand sometimes.

So your statement is that a 140mm fan running at 1000rpm is quieter than a 120mm fan running at 1000rpm?
Surely your statement would be backed up by SilentPCReview's anechoic chamber measurements? How about NF-P14 FLX and Noiseblocker Multiframe series M12-S2?


Oh wait no..
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post #12466 of 16282
I have two 140mm fans spinning at 2000 RPM that I can't hear and used to have two 120mm fans spinning at 2000 RPM that kept me up at night. The notion that any fan spinning at 1000 RPM being loud is humorous. In my experience, 140 mm fans have always been quieter.
post #12467 of 16282
If you're serious then I'd recommend you go and get your hearing checked out.
Oh and I didn't notice you're American until now, that pretty much explains it.
Why don't you grab a pair of 5312/2 TDHP's from EBM-Papst while you're at it, I guess you can't hear those either.
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post #12468 of 16282
Quote:
Originally Posted by chessmyantidrug View Post

I have two 140mm fans spinning at 2000 RPM that I can't hear and used to have two 120mm fans spinning at 2000 RPM that kept me up at night. The notion that any fan spinning at 1000 RPM being loud is humorous. In my experience, 140 mm fans have always been quieter.

I agree that no 120/140 fans are loud at 1000 rpm. However It doesnt only depend on the fans RPM but also the blade design and bearing, your example is flawed. I can tell you from my own experience that a Silverstone AP141 at 1500RPM is louder then an AP121 at 1500 RPM.

They even show it on their specs:

http://www.silverstonetek.com/product.php?pid=257

AP121 1500 RPM 22.1 DBA

http://www.silverstonetek.com/product.php?pid=281&area=en

AP141 1500 RPM 30.1 DBA

I'm not here to argue about something I know for sure, I just wondered where you might have got this notion.
Quote:
Originally Posted by lagittaja View Post

.... that pretty much explains it.

Don't think theres any need for that though thumbsdownsmileyanim.gif
Edited by Slink3Slyde - 4/11/15 at 11:05am
post #12469 of 16282




Cleaned fans and added more tape to the LEDs
Edited by swiftypoison - 4/11/15 at 1:33pm
post #12470 of 16282
Quote:
Originally Posted by lagittaja View Post

Oh and I didn't notice you're American until now, that pretty much explains it.

Really? You're cool..

Clean rig above me though.
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