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I have subscribed to this thread: Reverse engineering Krell KMA 160

I get an E-mail telling me there are new posts but they are not showing up in the thread.


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http://www.diyaudio.com/forums/solid-state/42357-reverse-engineering-krell-kma-160-a-new-post.html
Here is the message that has just been posted:
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Does the servo use the NEC j44/k163 combo or has someone changed it out to an IC?
The NEC,s are long gone and were great devices

Regards
David
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Here is an earlier E-mail with the same problem:

This thread is located at:
http://www.diyaudio.com/forums/solid-state/148713-les-sage-audio-new-revelations-new-post.html

Here is the message that has just been posted:
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The bases in that diagram are current-biased, not voltage biased. So the idle output quiescent will depend on the Hfe of the transistors. Again, they seem to be alternately saturating each other.
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