Quote:
Originally Posted by Phil Nelson
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Phil,
[Slow response to posts cause: Thursday the Internet crapped out in the senior bldg where I live, so am once a day trudging thru the snow to my kids' house for an on-line stint. They incidentally are in FL for a week treating my grandsons to Disney World. Yes, wish I were there too.]
There's a PDF that formed the basis of my part of a 2011 EFT convention presentation on composite interface adapters. It documents some changes to the basic 1956 RCA circuit using the 12AT7. I'll get it too you somehow; I tried but

this site won't let me upload it though it's only 2.66 meg.
Pete