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Testing Model 20 tubes - Hickok 539A
#1

I dug out my old Hickok 539A tube tester to check tubes on the Philco model 20 that I am restoring. There were settings for 80 rectifier, but no settings on the chart for 27's, 24's, or 71A's. Does anyone happen to have these settings available for this tester?
Thanx.
#2

Well as a matter of fact I do.
http://www.stevenjohnson.com/hickok/index.html
Enjoy
Terry

When my pals were reading comic books
I was down in the basement in my dad's
workshop. Perusing his Sam's Photofoacts
Vol 1-50 admiring the old set and trying to
figure out what all those squiggly meant.
Circa 1966
Now I think I've got!

Terry
#3

Thanks, Terry
Do you know if data from other models still match up to the 539A? The suppliment seemed to only contain addition to newer tubes. I did find "obsolete" data under the Model 752 and the setting titles seem to correspond.
Thanks again
Randy
#4

Not sure. You could drop Steve a note and see what he has to say.
Terry

When my pals were reading comic books
I was down in the basement in my dad's
workshop. Perusing his Sam's Photofoacts
Vol 1-50 admiring the old set and trying to
figure out what all those squiggly meant.
Circa 1966
Now I think I've got!

Terry
#5

I have this listing for Padgett's website on hickok tube testers. Give it a try.

http://6007.us/




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