12-14-2013, 07:59 PM
Yes - the changes to the 38-15 2nd detector circuit are documented, and you can find this plus all known production changes to 1933-1938 Philco sets here:
http://www.philcoradio.com/phorum/showth...hp?tid=215
Look for the file changes.zip .
http://www.philcoradio.com/phorum/showth...hp?tid=215
Look for the file changes.zip .
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Ron Ramirez
Ferdinand IN