One for FryGuy perhaps? How can I power a computer fan from an ATX or step-down trans?


Silver Member
Username: Varney

BirminghamEngland, UK

Post Number: 406
Registered: Sep-04
This is not exactly an audio question, I know - but I have read many posts which discuss the principles used in powering PC hardware, used to power car amps in domestic aplications - with good results, too.

I need to place a small, resonably efficient, and quiet running cooling fan to the top of the motor unit on the air compressor in my art studio. I'm thinking that I can use good parts out of a scrap computer, but would like advice on how to hook this up and whether indeed it will work, without the motherboad in between power and fans.

To give an idea of the size and area to be kept cool, the motor unit is basically a fridge motor in principle and is exactly the same size. It does not run constantly - as the the tank reaches pressure, it has an suto cut-out, so is not expected to reach particularly high temperatures.

Thanks in anticipation,

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