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Old 26th May 2002, 07:36 PM   #1
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Default Aleph Help

Hello I am planning on building one of the Aleph amplifiers, but am trying to find out if the heatsinks that I have found will work.
I plan on using 2 sinks per channel in a mono bloc configuration, with 6 currett source devices on 1 sink and 6 output devices on the other.
I have no idea if the sinks I have will do the job.
they are 10 1/2 inches long by 4 5/8 inchs wide by 3 3/4 inches tall, the back plate to this sink is 1/2 inch thick with the fins being 3 1/4 inches tall.
does any one have any ideas.

please feel free to e mail me at rjones5296@aol.com
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Old 26th May 2002, 08:27 PM   #2
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Rod Elliot's site, www.sound.au.com, has a nice little excel sheet to calculate the thermal resistance for your sink's. This sheet and some extra calculations will give you a good indication if your sink's will be adequate.

There is extensive information about heatsinks on this forum. Please use the search function.

Regards
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Old 26th May 2002, 08:56 PM   #3
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Here is a link to the Thermalloy page for this sink, or at least there version of it.

http://www.aavidthermalloy.com/bin/e...3&airflow=57.2

I'm guessing it would work as you want to use it, but would be extremely hot (over 60c). Go run the numbers.
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Old 26th May 2002, 08:57 PM   #4
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Old 26th May 2002, 10:05 PM   #5
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I'm just guessing from your measurements, but I'd say you'd need to at least double, and very likely triple your heatsinking.

Grey
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