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Gentle Typhoon AP-15 vs. Cougar CF-V12HP vs. Noctua NF-F12 - Page 4

post #31 of 140
For the money of the Noctua i would suggest the NoiseBlocker eLoop fans. They have 2 pwm versions also.
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post #32 of 140
Quote:
Originally Posted by eskamobob1 View Post

Quote:
Originally Posted by Systemlord View Post

You must all know the GT is going to outperform the competition noise/performance ratio, the real question is how close can the others come close to the GT's noise/performance ratio!

im not sure about that... i can hear AP15s over the cougars... i think that it will be very close


http://martinsliquidlab.org/2012/05/07/r10-fan-testing-bitfenixnoctuasilenxnoiseblockerphobya/


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post #33 of 140
Quote:
Originally Posted by TeeBlack View Post

seems like a lot of hating in here on the Cougaar fans. I wouldnt mind some of the pwn Cougars but again the orange dont go with my color scheme. Even the all black ones have those orange corners.

Not sure it's hate as much as a general belief that the Cougars are not the top end fans.

http://martinsliquidlab.org/2013/02/18/why-static-pressure-max-flow-specs-are-poor-measures-of-fan-performance/



Edit: Grammar
Edited by CrazyElf - 4/11/13 at 3:27am
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post #34 of 140
http://www.performance-pcs.com/catalog/index.php?main_page=product_info&products_id=27664usps
Dimensions: 120x120x25mm
Type: Dual Ball-Bearing
Connector: 3-pin (3-wire with tachometer)
Rated Voltage: 12VDC
Current: 0.28A
Speed: 2600RPM (max)
Static Pressure: 5.4mm-H2O
Airflow: 107.6CFM (max)
Noise: 32.80dBA (max)

I wan't to see these put to the test biggrin.gif
  
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post #35 of 140
I believe they have fixed this issue (or at least acknowledged it...). I have 5 cougar PWM fans in my case, and 2 of them (the ones on my radiator) are PWM controlled, while the other ones are voltage controlled. Interestingly, the voltage control (done through the motherboard with speedfan) makes the fans run quieter than when using PWM, which produces some PWM whine. Independent of PWM whine they do make a VERY faint clicking sort of noise, but I can only hear it when my ear is about an inch from the fan, so it is a complete non issue. The cougar fans are quiet and push as much air as I need them to. They may not be AS good as AP15s, but given that you can often find them on sale for $10 a piece (compared to $18 for the AP15s) they are a better value.
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post #36 of 140
Quote:
Originally Posted by CrazyElf View Post

Quote:
Originally Posted by TeeBlack View Post

seems like a lot of hating in here on the Cougaar fans. I wouldnt mind some of the pwn Cougars but again the orange dont go with my color scheme. Even the all black ones have those orange corners.

Not sure it's hate as much as a general belief that the belief that the Cougars are not the top end fans.

http://martinsliquidlab.org/2013/02/18/why-static-pressure-max-flow-specs-are-poor-measures-of-fan-performance/



That is just Martin trying to make sense of silly box specs right? We/He knows full well about the AP15s since he's tested them a billion times. The box specs of most fans make them look superior to GTs, lmao! Don't beleive box specs.

Quote:
So, just goes to show you…don’t rely too much on fan specs, they are not very good measures of real world performance. Just like pumps, it’s the pressure somewhere between these two points that matters in the real world and that isn’t static pressure and it isn’t max air flow, it can only be represented by a full P-Q curve.
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post #37 of 140
I keep waiting for someone to put those darn GT's in second place, even a tie would be very welcome. Perhaps some day, the gimmicks such as the smoke machine and box tests will be set aside and someone will actually engineer a competitive fan to perform better on a radiator...maybe even make it PWM capable and sell them at $10 a pop in multiple colors.

One can wish...biggrin.gif
    
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post #38 of 140
performance-pcs sells the ap-29, ap-30, and ap-31 as pwm fans
Edited by TeeBlack - 4/11/13 at 11:03am
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post #39 of 140
Quote:
Originally Posted by tsm106 View Post

That is just Martin trying to make sense of silly box specs right? We/He knows full well about the AP15s since he's tested them a billion times. The box specs of most fans make them look superior to GTs, lmao! Don't beleive box specs.

True - real world performance is what matters. And of course, that needs testing.
Quote:
Originally Posted by Martinm210 View Post

I keep waiting for someone to put those darn GT's in second place, even a tie would be very welcome. Perhaps some day, the gimmicks such as the smoke machine and box tests will be set aside and someone will actually engineer a competitive fan to perform better on a radiator...maybe even make it PWM capable and sell them at $10 a pop in multiple colors.

One can wish...biggrin.gif

Are you referring to these?

Cougar
http://www.youtube.com/watch?v=qZJZmTvH91k

and Silverstone
http://www.youtube.com/watch?v=8m8fC809TK0&list=UUig-yfqTR5tHwdxuxpmPK7w&index=3

Apparently a direct comparison to the GTs:
http://www.youtube.com/watch?v=r4B82yQRUQc&list=UUig-yfqTR5tHwdxuxpmPK7w&index=1
Edited by CrazyElf - 4/11/13 at 3:32am
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post #40 of 140
Quote:
Originally Posted by CrazyElf View Post

True - real world performance is what matters. And of course, that needs testing.
Are you referring to these?

Cougar
http://www.youtube.com/watch?v=qZJZmTvH91k

and Silverstone
http://www.youtube.com/watch?v=8m8fC809TK0&list=UUig-yfqTR5tHwdxuxpmPK7w&index=3

Apparently a direct comparison to the GTs:
http://www.youtube.com/watch?v=r4B82yQRUQc&list=UUig-yfqTR5tHwdxuxpmPK7w&index=1

That right there is a perfect example of marketing video that proves nothing. I have tested the silverstones on a radiator and my $5 yate loon pushed more air through per dBA.

The whole box and smoke machine visual is marketing at it's finest. From what I can tell in testing on a radiator, it has zero effect on radiator thermal performance. perhaps there is some benefit in case fan setups where you really need to point the air at something, but I just haven't found utility or real world benefit. I have come to the conclusion that any fan video that doesn't include noise level measurement is purely a sales pitch. More specifically any measurement of noise that's not with the fan mounted to something like a radiator or fan is also worthless.

Don't let them fool you, what "looks cool and different" in no way relates to noise performance. Air flow through a radiator per noise level is ultimately the one and only performance measure that relates to something useful and notice how those marketing videos avoid that.

I have found that most of those "features" such as wavy blade shape, notches in the frame, perforations in the frame, are all a bunch of crap and do nothing.

The art of sales. If they REALLY made something special, where is the sound level meter to demonstrate what matters? Instead you get a smoke machine stuck in a cardboard box and somehow this is supposed to relate to thermal performance at low noise levels?

The penetrator I tested was a terrible radiator fan. $5 yate loon tested better. Not even remotely close.

Haven't tested the cougar but I haven't seen promising performance figures from anyone that bothered to measure noise...would like to try one, but I don't expect it to do that well on a rad.
Edited by Martinm210 - 4/11/13 at 5:53am
    
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