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barrredboss 14th August 2008 11:58 AM

large profile heatsink
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
if you purchase through there, i will offer discounts on purchaces over 12" in length
russ from e bay

Nordic 14th August 2008 01:35 PM

I'm intrested in extrusions, can only get it in 5m lenghts here at significant cost.

SCD 14th August 2008 03:54 PM

Information needed
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

barrredboss 14th August 2008 08:11 PM

heatsink dimensions
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 to view the material or just e mail me and ill try and answer all your questions there thanks for your replys so far:)

04dgmsilv 17th August 2008 11:58 PM

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).

barrredboss 18th August 2008 12:09 AM

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:cool:

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