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did you get the fans locally? online? all I have found at my local haunts are the 30mm 12v versions.
I used 2x12v with a single 9v and it worked for a while but ran the battery dry fairly quick. I suppose if yours are too noisy, you could slow down the fans a bit with some resistors or put in a potentiometer or variable resistor to dial it back a bit. (ie a home brew fan speed controller)
Last edited by coach; April 1st, 2011 at 09:55..
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