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Lamptron FC-4 Fan Noise

post #1 of 5
Thread Starter 
I recently got one of these. I Have it hooked up to 3 Yate Loons (D12SH-124G) (the LED version) on one channel, a Panaflow 80mm fan on the second channel, the stock Enermax PSU fan on the third channel and a stock Antec 120mm fan on the 4th channel.

Now, when I turn the fans down the fans make a weird very high pitched whining noise. Especially the Antec fan. That on is the loudest and is so loud that it hurts my ears. At full power they dont make this noise.

Is this a problem with the fan controller itself or the fans?????

Also, if I were to get a FC-5 V2 would it be the same design and make noise?
Edited by Philbar71 - 4/30/11 at 10:08am
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post #2 of 5
Yes they would. Some fans don't like being undervolted much, and it seems you've managed to find the ones that don't. It has everything to do with the fan, not the controller.
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post #3 of 5
Thread Starter 
Crap. So if I bought a FC-5 my fans would still make that noise??

What are some good high CFM fans that can be undervolted then?
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post #4 of 5
yep its the fans, some fans don't take undervolts nicely
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post #5 of 5
Thread Starter 
So if what about these coolermaster fans?

http://www.performance-pcs.com/catal...ducts_id=29649

Im looking for 120mm fans that have green LEDs and move alot of air.

Although wait a minuet...

I had that same Antec 120mm fan hooked up to my old motherboard fan header and it never made any kind of noises when undervolted. So how can it be the fans? TO be exact, I had 4 of those antec fans plus the 200mm "big boy" fan hooked up to one fan header on my mobo and they all undervolted just fine.

Its got to be the fan controller. Im going to grab some different fans and get another fan controller and do some testing..
Edited by Philbar71 - 4/30/11 at 11:18am
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