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Originally Posted by ferdb
Yep, that'll work. I've seen some at Fry's for as low as $50, you can also go on ebay and do a search for variable transformer and get 20-30 hits. Some pretty good prices there. You can also get ones that have taps so you can hook it up to 120V and it will put out 0-240V so you can play with 240v equipment, which I've found pretty handy in the past. Some on ebay for $30 that'll do that. They are pretty robust, usually the only time they go bad is when somebody shorts it out and fries a winding.
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thanks for all the info...
but having to buy a variable transformer on top of the cost of the fans offset the value of the deal to much...
ferdb the
link on the pabst 6.75" fan seems almost perfect for my neads... thank you...
but this fan
24 VDC 6.75" FALCON® FAN for $14 looks like a better deal...
300cfm at 57dBa instead of the Papst 133.3 cfm at 61dBA
both run at 12-24 volts... so a computer power supply will be great.(have a few to spare)
also the fan has 3 wires... I wonder what the 3'rd wire is for...
now if i could find this in a 12 volt variety.. it would be perfect.
I already have a 4 channel fan bus that could handle the watage of each fan....