11-01-2005, 04:35 PM
Here's some circuit theory and info on the FM1000 from the Tube Manual section (Special Tubes) of my site, in case you guys have not seen it:
FM100 Characteristics
FM100 Characteristics
Chuck Schwark,
The Philco Repair Bench
[Image: http://www.philcorepairbench.com/images/philog3tiny.gif]
http://www.philcorepairbench.com