Hoffman Amplifiers Tube Amplifier Forum
Amp Stuff => AmpTools/Tech Tips => Topic started by: sawdust on January 10, 2009, 05:47:36 pm
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Not sure where I found this but it has math formulas for nearly anything and tube data. Maybe this should be in the reference section.
http://www.qsl.net/wa7zcz/area2/t_of_c.html
Dave
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Scroll down to the post that says, "ALLIED'S ELECTRONICS DATA HANDBOOK".