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[Official] Gentle Typhoon 2150 Group Buy Thread - Page 239

post #2381 of 2384
2/5/13 at 9:53pm
Obsidian 650D controller 3 different speed of GT-AP15, every speed is not loud at all and have space for 200-300RPM more.
Tell me what is better that Lamptron or Scythe Kaze Master Ace???
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post #2382 of 2384
2/6/13 at 4:40pm
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Quote:
Originally Posted by ronquilent View Post

How well do the AP-45s undervolt?

They'll start at 2.5V in open air, but I'd use 3.0V for reliability. I'm guessing that's ~200rpm as PepeLapiu said.


Edited by nawon72 - 2/6/13 at 4:42pm
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post #2383 of 2384
2/6/13 at 8:28pm
Quote:
Originally Posted by nawon72 View Post

They'll start at 2.5V in open air, but I'd use 3.0V for reliability. I'm guessing that's ~200rpm as PepeLapiu said.
Actually, 200 rpm is just a little over a single volt. But I dont think you could undervolt any fan to a single volt. The Lamptron can do one volt on a fan because it uses power modulation, not undervolting.

And I say about 200 rpm as a guess because the fan stops reporting rpm below 350 rpm and the controller thinks the rpm is zero.

If yoy can undervolt to 3 volts, that should be around 500 rpm. Nobody needs it slower than that as the fans are completely silent below 7-800 rpm.
Edited by PepeLapiu - 2/6/13 at 8:31pm
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post #2384 of 2384
2/11/13 at 8:50am
I am assuming the complete versions of these fans (of which I bought 8), are best utilized with a fan controller. Can someone tell me what a good fan controller would be to go with my Lian Li PC7HX case (black aluminum)? I will be running 4 or 5 fans off the controller. Thanks in advance. Links to the controllers please.
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