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Heatsink USA Extruded aluminum heatsinks, specializing in small custom cut orders

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Old 14th August 2008, 11:58 AM   #1
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I have started an online store to sell heatsinks, trying to get away from e bay to offer heatsinks at lower prices,please look at www.heatsinkusa.com
if you purchase through there, i will offer discounts on purchaces over 12" in length
thanks
russ from e bay
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Old 14th August 2008, 01:35 PM   #2
Nordic is offline Nordic  South Africa
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I'm intrested in extrusions, can only get it in 5m lenghts here at significant cost.
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Old 14th August 2008, 03:54 PM   #3
SCD is offline SCD  Canada
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Hello Russ:

It would be very helpful if you had a bit more information on the site. The width of the extrusion rather than the cut length. Large and Medium do not mean too much to me.
The heat dissapation rates. Some sample pictures of the sinks in action. Payment optins

It does look like you have a good project going here.


For me I am most interested in heatsinks that are about 14 inches long 6 inches tall with the fins running on the 6 inch axis ie fins are also 6 inches long. I need enough dissapation to cool a Pass labs design F4 or F5 amplifier.


Good luck I hope this helps
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Old 14th August 2008, 08:11 PM   #4
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hello,im new to this site once again and i would like to get more exposure for my online store which hold more information on the 2 profiles i sell please go to www.heatsinkusa.com to view the material or just e mail me www.heatsinkusa.com and ill try and answer all your questions there thanks for your replys so far
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Old 17th August 2008, 11:58 PM   #5
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Here is Russ's "Medium" heat sinks in action. He'll have to confirm the specs, but I have 4 pieces each 9" tall and it probably is not enough for this amp (F3). The amp runs hotter than I would like (160 F on the chips themselves with a raytek temp gun).


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Old 18th August 2008, 12:09 AM   #6
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Default 5.375" wide profile [medium]

thank you for posting that picture your amp looks top notch,it appears ill have to get a larger profile die to make wider heatsinks with longer fins ,[i can feel that in my wallet just thinking of it] probably about 6k for the die
i do have the 8.5" available for now a lot of people have been having good luck with that,thanks again for your post
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