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 Post subject: 12v fan with 9v mod - please help
PostPosted: Sat Jun 02, 2012 7:15 am 
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Joined: Fri Jul 30, 2010 11:06 pm
Posts: 11
Location: Hungary
I want to install a Scythe Slip Stream Slim 800 RPM fan under my AppleTV.
I want to undervolt it to 9V so as I have it running around 600 RPM.

I've an old 9V adapter here at home. Can I just simply cut the red and black wires of the fan (no need yellow if I'm right) and attach them to the 9v and ground wires of the adapter ?

Is that it or is it the wrong thing to do ? :P

thank you


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 Post subject: Re: 12v fan with 9v mod - please help
PostPosted: Sat Jun 02, 2012 8:40 am 
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Joined: Thu Feb 04, 2010 6:06 pm
Posts: 3395
Location: US
Don't go cutting wire. Get something from here
http://www.performance-pcs.com/catalog/ ... Path=36_48

Or something like this (if you are cutting wire, your only options are 5v, 7v, and 12v unless you add a resistor to the equation)
http://www.frozencpu.com/products/6301/ ... ?tl=g47c17

Or this
http://www.frozencpu.com/products/984/b ... ?tl=g47c17

or this
http://www.endpcnoise.com/cgi-bin/e/std/sku=rc56.html

or this
http://www.quietpcusa.com/Zalman-Fan-Ma ... P86C7.aspx

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"Aristotle calls man the rational animal. All my life I have been seeking evidence to confirm this" Bertrand Russell
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Last edited by ces on Sat Jun 02, 2012 8:44 am, edited 1 time in total.

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 Post subject: Re: 12v fan with 9v mod - please help
PostPosted: Sat Jun 02, 2012 9:30 am 
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Joined: Fri Jul 30, 2010 11:06 pm
Posts: 11
Location: Hungary
ces wrote:
Don't go cutting wire. Get something from here
http://www.performance-pcs.com/catalog/ ... Path=36_48

Or something like this (if you are cutting wire, your only options are 5v, 7v, and 12v unless you add a resistor to the equation)
http://www.frozencpu.com/products/6301/ ... ?tl=g47c17

Or this
http://www.frozencpu.com/products/984/b ... ?tl=g47c17

or this
http://www.endpcnoise.com/cgi-bin/e/std/sku=rc56.html

or this
http://www.quietpcusa.com/Zalman-Fan-Ma ... P86C7.aspx


Thank you but this isn't what I need. All this is assuming that you have a motherboard where you can connect the cables.
I need to cut the wired to be able to use the adapter because its going to be plugged in the power network (Or grid ? Sorry I don't know the exact english word )

Is it wrong to cut the cables or would it work the way I plan to do ?


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 Post subject: Re: 12v fan with 9v mod - please help
PostPosted: Sat Jun 02, 2012 11:00 am 
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Joined: Thu Feb 04, 2010 6:06 pm
Posts: 3395
Location: US
mczuzlak wrote:
All this is assuming that you have a motherboard where you can connect the cables.
Actually I am not making such an assumption. At Performance PCs you can find any cable you might need to connect to your fan to any source of power. They will even make up custom cables for you if you ask.

If you want to power your fan directly from your PSU, you will find multiple solutions. This one is my favorite:
http://www.performance-pcs.com/catalog/ ... s_id=25981

_________________
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"Aristotle calls man the rational animal. All my life I have been seeking evidence to confirm this" Bertrand Russell
"Only two things are infinite, the universe and human stupidity, and I'm not sure about the former" Albert Einstein


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