05-14-2015, 08:34 AM
Lots of other places for free information. Here's a starter list.
Books: http://www.tubebooks.org/technical_books_online.htm
Schematics: http://www.nostalgiaair.org/Resources/
Tubes, etc: http://www.nj7p.info/
Books: http://www.tubebooks.org/technical_books_online.htm
Schematics: http://www.nostalgiaair.org/Resources/
Tubes, etc: http://www.nj7p.info/