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A little confused about intake fans and what I need - Page 2

post #11 of 23
Thread Starter 
No dice, same annoying vibrations.
post #12 of 23
Quote:
Originally Posted by TheBDK View Post

No dice, same annoying vibrations.
Well that sucks. I really have not heard much of anything negative about Noctua performance so maybe you got bad ones. For the price you are paying may I suggest Noiseblocker eloops? Those are some great quiet fans and much sexier than the Noctuas. You can get them in whatever rpm you want.
 
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post #13 of 23
Can you take some pictures of the fans for us to look at? Mounted and unmounted would both be helpful.

Contact Noctua support. They are very good and will help you resolve the problem.
http://www.noctua.at/main.php?show=support&lng=en
post #14 of 23
Thread Starter 
Mounting them is a pain in the rear on this case, especially with anti vibration gaskets so I'm not gonna bother taking them out again until the next spring cleaning - Anyway I've tried with and without gaskets, with and without additional dust filters (FF121), different amount of pressure to the screws (always diagonal tightening) to no avail.

Pics, not sure what to look for though smile.gif I've removed the built-in dust filters on the lower fan so you can see it properly.








Recording, but not sure if you can hear it due to my crummy mic.
Beep = Me upping the voltage.
https://drive.google.com/file/d/0B_DiTZFt_h35RjNBMURLTE5zeE0/edit?usp=sharing
post #15 of 23
The P12s arent really the best from Noctua imo, but the vibration/noise issue still seems unusual for them. I wouldn't count out Noctua based on that experience. I'd try the S12, which isn't exactly a high SP fan but may still be capable enough to work through a filter. The F12 may be the obvious choice for static pressure but I've found they make poor case fans.

Scythe Slipstreams (also comes in pwm, though tougher to find) in my experience are excellent for pulling air through resistance, and even at 800rpm are surprisingly capable and very low noise. They don't have the accessory frills of newer premium fans, but imo Slipstreams are still one of the best bang for the buck fans around. Only drawback is they aren't so great mounted horizontally.

Other options I would consider are Noiseblocker Multiframes (the Eloop has a spotty rep for pressure, though I can't personally verify), or Gelid Wing. The Cougars have been getting well received, though I haven't used them.

Just get the fans from somewhere with a good return policy, heh (i.e. Amazon).
Edited by Otterclock - 2/28/14 at 6:15am
    
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post #16 of 23
Thread Starter 
I might drill the holes a little bigger in my case so I can use the rubber 'screws' that come with the fan, I think that's the main reason for the vibration noise. If not, I'll probably return them as I still have 9 days to go smile.gif
post #17 of 23
Thread Starter 
Unplugged the fans to the fan controller and hooked them up to the motherboard instead so it can control the rpm automatically. When they ramp up I wont be able to hear them anyway as I'm probably gaming smile.gif Also drilled the holes so the rubber mounts could fit in there, didn't help at all.

2nd recording before unplugging the fan controller; https://drive.google.com/file/d/0B_DiTZFt_h35MnpMN3VIU1NJbk0/edit?usp=sharing
I'll probably pick up some other case fans when I grow tired of these or if Noctua wants to send me some other fans.

Thank you for answers, I'll give a round of reps if possible biggrin.gif
Edited by TheBDK - 3/1/14 at 11:04pm
post #18 of 23
Thread Starter 
Noctua will send me some new replacement fans, just got the mail today. That's some top quality customer service right there.
post #19 of 23
Quote:
Originally Posted by TheBDK View Post

Noctua will send me some new replacement fans, just got the mail today. That's some top quality customer service right there.
Indeed
They are very good.
post #20 of 23
Thread Starter 
And problem solved! That was the most painless and quickest RMA ever, very good indeed smile.gif
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