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-   -   Aleph 2's Heat (http://www.diyaudio.com/forums/pass-labs/148980-aleph-2s-heat.html)

jritota 13th August 2009 03:11 AM

Aleph 2's Heat
 
Hello everyone,
Thank you for a really great forum of builders and designers.
My thanks especially to Mr Nelson Pass for making this hobby a lot of fun. My A2's have been up and running beautifully for 2 1/2 weeks and been watching the temps very closely. They're averaging 142-147F of various locations of the sinks on both amps w/ambient room of 78F.
6 p240's per 12 1/2"X 9 7/8"X 1.2 fin w/ 5 1/16"backplate X 2 per amp. Am I okay or running alittle too hot?
Thank you,
Joe

Bill Fuss 21st August 2009 12:08 PM

That's too hot to me, what are the fet case temps?

Bill

jritota 31st August 2009 01:08 AM

Aleph 2's Heat
 
Okay so now I got a better quality thermometer and now I'm getting 132-135F right on the outside directly on the back plate opposite where the fets are mounted. Still kinda hot I guess. I'll get an IR thermometer to see what the case's are cooking. No burning or smell of any kind just really incredible sound.
Joe


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