replacing output transistors on mcintosh 2100 power amp

lizo · 27th December 2011, 06:27 PM

Further into the replacement of the 40409/10 transistors onto the heatsinks< is there a heatsink compound that needs to be painted between the bottom of the transistors and the heatsink surface? What is that compound? lizo

simon7000 · 27th December 2011, 07:53 PM

These transistors come welded to a heatsink. I don't understand the question.

Jebem · 27th December 2011, 09:27 PM

Well, thermal paste is usually used to easy heat transfer from thr transistor capsule to the heathsink, but in this specific transistor I think You don't need it.

lizo · 28th December 2011, 01:28 AM

thanks for your reply! lizo

27th December 2011, 06:27 PM	#1
lizo diyAudio Member Join Date: Dec 2011 Location: hawaii	replacing output transistors on mcintosh 2100 power amp Further into the replacement of the 40409/10 transistors onto the heatsinks< is there a heatsink compound that needs to be painted between the bottom of the transistors and the heatsink surface? What is that compound? lizo

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27th December 2011, 07:53 PM	#2
simon7000 diyAudio Member Join Date: Nov 2008 Location: Oakmont PA	These transistors come welded to a heatsink. I don't understand the question.

27th December 2011, 09:27 PM	#3
Jebem diyAudio Member Join Date: Dec 2011 Location: Lisbon	Well, thermal paste is usually used to easy heat transfer from thr transistor capsule to the heathsink, but in this specific transistor I think You don't need it.

28th December 2011, 01:28 AM	#4
lizo diyAudio Member Join Date: Dec 2011 Location: hawaii	thanks for your reply! lizo

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