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Philco model 7050 tube tester question

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Philco model 7050 tube tester question Empty Philco model 7050 tube tester question

Post by Blaine on Sun Jan 25, 2009 2:41 pm

I want to test a 12BY7 ? But the tube sheets that come with this model don't show this tube. Does anyone have any idea where I can get an up to date tube chart for this tester. Thanks.
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Post by Resistance is Futile on Sun Jan 25, 2009 4:33 pm

If you look at the sockets of your Tube Tester you only have 7 pins for testing the miniature tubes. Crying or Very sad
The 12BY7 is a 9 pin. The substitutes are 12BY7A, 12BV7, 12DQ7

If you want a PDF file for your tester go to the following link.

http://www.renovatedradios.com/images/Files/Philco%207050%20Tester.pdf
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Post by Blaine on Sun Jan 25, 2009 6:18 pm

I Should have known that. Thanks my friend.......
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Post by Resistance is Futile on Mon Jan 26, 2009 4:38 pm

Glad to Help. Yes that looks like a nice tester,

I wish I had one like it. I have a Jackson and cannot find anything as far as online PDF files for my Model.

Your lucky, You can look at your schematic and find the correct switches to use, if you have the Data from a tube manual, that has pin-outs and voltages.
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