aleph5 temperature

karajak · 30th March 2008, 05:40 PM

recently i took some temperature measurments from my diy aleph 5.Results

n the heatsink 61 deg cel on one channel and 66 deg cel on the other.On the mounting screw of IRFPs 91 deg cel on one channel and 96 deg cel on the other.given that it sounds great is their anything wrong whith those measurments i should worry about?
JOHN.

karajak · 15th April 2008, 05:48 PM

yesterday i took some more measurments on the mounting screws of the IRFP240s. 100deg celsius and 70 deg celsius on the heatsink.

Peppe · 15th April 2008, 06:02 PM

I do not know if it is a record.... that's what Papa says:

http://www.diyaudio.com/forums/showt...1829#post21829

Nelson Pass · 16th April 2008, 12:04 AM

The spec sheet says you can do it, but it's getting a little closer
to the edge. If you don't mind the occasional repair...

karajak · 23rd April 2008, 12:50 PM

I asume you mean the power transistors are more likely to fail soon? i attache a few photos so you can see the heatsinks .

30th March 2008, 05:40 PM	#1
karajak diyAudio Member Join Date: Jan 2008	aleph5 temperature recently i took some temperature measurments from my diy aleph 5.Resultsn the heatsink 61 deg cel on one channel and 66 deg cel on the other.On the mounting screw of IRFPs 91 deg cel on one channel and 96 deg cel on the other.given that it sounds great is their anything wrong whith those measurments i should worry about? JOHN.

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15th April 2008, 05:48 PM	#2
karajak diyAudio Member Join Date: Jan 2008	yesterday i took some more measurments on the mounting screws of the IRFP240s. 100deg celsius and 70 deg celsius on the heatsink.

15th April 2008, 06:02 PM	#3
Peppe diyAudio Member Join Date: Feb 2006 Location: Naples	I do not know if it is a record.... that's what Papa says: http://www.diyaudio.com/forums/showt...1829#post21829

16th April 2008, 12:04 AM	#4
Nelson Pass The one and only Join Date: Mar 2001	The spec sheet says you can do it, but it's getting a little closer to the edge. If you don't mind the occasional repair...

23rd April 2008, 12:50 PM	#5
karajak diyAudio Member Join Date: Jan 2008	I asume you mean the power transistors are more likely to fail soon? i attache a few photos so you can see the heatsinks .

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