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-   General Liquid/Water Cooling Discussion (http://forums.procooling.com/vbb/forumdisplay.php?f=9)
-   -   Thoughts please and comment on Papst fans (http://forums.procooling.com/vbb/showthread.php?t=11174)

DrCR 01-28-2005 04:34 PM

morass. hey, that's some nice vocab.

Yeah, before everyone had to refer to a standard reference, and for a long time it was a good Japanese (not Chinese) sample of the 80mm Panaflo L1A (often called the Japanaflo on the SPCR forums). But if the poor newguy had never heard one, he was still potentially in another ballpark. (On the side, a Japanaflo's noise characteristics are way different i.e. superior than its 120mm sibling)

Now it's starting to become a science. Just an example, from the presently latest post on the SPCR mainpage:
Jordan's Quiet DampTek'd Home Theater PC

I'll go ahead and include this here, even though it's mentioned in the above thread, just so no one misses it perchance.
Quote:

How to Listen and Compare

The MP3 recordings were made with a high resolution lab quality digital recording system. The microphone was 3" from the front center panel of the system. The ambient room noise during all recordings was ~18 dBA.

To set the volume to a realistic level (similar to the original), try playing this reference file, Nexus 92mm case fan @ 5V (17 dBA/1m), and setting the volume so that it is barely audible. Then don't reset the volume and play the other sound files. Of course, tone controls or other effects should all be turned off or set to neutral. For full details on how to calibrate your sound system to get the most valid listening comparison, please see the yellow text box entitled Listen to the Fans on page four of the article SPCR's Test / Sound Lab: A Short Tour.
This is solid stuff, no doubting that. :D

DrCR

________

Ruiner 01-28-2005 05:09 PM

Another pitch for that sunon 2123....it's a steal at ten bucks.

Thanks for that tip, Ferd.

surge 01-29-2005 10:45 AM

update
 
OK just replace the Papsts with 2 Panaflo L1As at 9 volts (lowest voltage my Nexus Fan Controller will give with fans of this power rating). All I hear now is the sound of air moving :)
Apart from..... the Neo2 Platinum NF3 chipset fan :rolleyes:
But since I am going to replace this board soon with a DFI NF4 Ultra-D I'll live with it.
Looks like the postion of the NF4 chip on the DFI board means it will be a ***** to fit a w/b to.....


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