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Old 11th April 2003, 06:48 AM   #1
josefr is offline josefr  Poland
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Question Heatsinks

Hello everyone

Here is my next question. I going to build class A amplifier - about 20-30W per channel. So I need good heatsinks. I found something like this in the picture. So if I used 4 of the biggest ones, 2 per side, 10cm in height would it be sufficient

But there is possible problem - they are not anodized - pure aluminium. Did someone of you anodizing by himself - or mayby link to "DIY - anodizing heatsinks"

But price seems good - 4 x 16zł is about 16$ - for them all - is it good price?
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Old 11th April 2003, 08:07 AM   #2
josefr is offline josefr  Poland
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OKI - forget about anodizing.

Is there a big difference in heat dissipation between black anodized and non-anodized aluminium
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Old 11th April 2003, 05:32 PM   #3
Rudy is offline Rudy  Belgium
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7% less without the anodizing
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Old 11th April 2003, 06:10 PM   #4
xsnailx is offline xsnailx  Poland
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where did you find them?
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Old 11th April 2003, 06:11 PM   #5
saurus is offline saurus  United States
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have you seen this?

http://sound.westhost.com/heatsinks.htm
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Old 14th April 2003, 06:11 AM   #6
josefr is offline josefr  Poland
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Quote:
Originally posted by xsnailx
where did you find them?
If You are interested send me an e-mail - josef@wind.pl and I'll write You some info.

Quote:
Originally posted by saurus
have you seen this?

http://sound.westhost.com/heatsinks.htm
Well - I have downloaded this page before but I didn't read it all - sorry if I bother You without reason




And about anodizind - I found it is quite simple operation - but dimensions of that heatsinks are to big to process them in my house
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