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Old 13th August 2009, 03:11 AM   #1
jritota is offline jritota  United States
diyAudio Member
Join Date: Jan 2002
Location: Asheville NC
Cool 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,
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Old 21st August 2009, 12:08 PM   #2
Join Date: Oct 2005
Location: Central Florida
That's too hot to me, what are the fet case temps?

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Old 31st August 2009, 01:08 AM   #3
jritota is offline jritota  United States
diyAudio Member
Join Date: Jan 2002
Location: Asheville NC
Smile 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.
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