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Old 05-28-2005, 11:47 AM   #11
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The fans work the same way a plug does for a house fan. A "hot", and a common wire. The converters have a round plug. Usually the side with ribbed edges is the positive... but that varies. You would have to snip off the end of the adaptor, separate the two wires, and wire that to the fan. Fans that have a molex plug (4 prong) are still the same thing... only two wires are used. The yellow can be used to alter the speed of the fan if you have a controller, but again, it's not needed. Fuses are optional, but I would recommend them as well.
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Old 05-28-2005, 11:50 AM   #12
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Well I have a friend that is sending me 2 computer fans DC.

He says they are 26 DB (Quiet) and 38 CFM, which I figure thats pretty good.


I just need to pick up a converter (I may need to lengthen the cord on it though)

He says its a molex connector on both of them.

So, can I hook both fans onto this one 12V converter then?
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Old 05-28-2005, 12:13 PM   #13
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Check to see how many mA the 12V DC output is, and how many Amps the fan is. Depending on the fan, it should or shouldn't be able to run it. If each of the two fans are .14 Amps, and the output of the 12V adaptor is around 500 mA, you will be fine. 1000 mA = 1 A.

My 12V DC output is 1500 mA (or 1.5A). Each one of my fans are .14A (or 140mA). So, do the math... 140 mA + 140 + 140 + 140 = 560. My power adaptor should be just fine! I could wire 120mm fans on there too, but I'll wait to see how efficient these are, and how loud they get. All of the (+) to (+) and (-) to (-) for wiring.
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Old 05-28-2005, 01:31 PM   #14
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Well he signed off before I could ask about the amps.

http://www.spirecoolers.com/products-fans.asp?size=80

He told me it was 26.5dBA, 37.87cfm, and 80 mm


Take a look at that link. Do you suppose it is the ampage listed there? So 500ma converter will be plenty?
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