Looking for calibration info on Jackson 637 tube tester - Canadian Vintage Radio Society

Tagged: Jackson tube tester 637 VTVM

This topic has 2 replies, 2 voices, and was last updated 9 years ago by HolderAccount.

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September 7, 2017 at 12:34 pm #9511

HolderAccount
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I have a Jackson 637 combined tube tester / VTVM on the bench. I have the schematic, thanks to radiomuseum.org. I have never calibrated or tested a tube tester. Any pointers?

Thanks for your help,

A

September 7, 2017 at 4:13 pm #9512

John Greenland
CVRS Member

Alden,

Try this link.

http://www.leradiodisophie.it/Download/Jackson-634-637.pdf

TTFN
John G. VO1 CAT

September 7, 2017 at 8:06 pm #9513

HolderAccount
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Thank you
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