In the August issue of AudioXpress there was a good artical about calibrating a Hickok 539 series tester. This info also applies to other Hickok models. As an owner of several Hickoks, I found it quite interesting. You can read and download it here:
http://www.audioxpress.com/magsdirx/ax/addenda/media/schoo2798.pdf
The author has a website with links to the references used in the artical. Scroll down to click on the info. (Their server doesn't allow a direct link.)
http://www.radiolaguy.com/tubeTesterRest.htm
Victor
http://www.audioxpress.com/magsdirx/ax/addenda/media/schoo2798.pdf
The author has a website with links to the references used in the artical. Scroll down to click on the info. (Their server doesn't allow a direct link.)
http://www.radiolaguy.com/tubeTesterRest.htm
Victor
It won't be here for long so make notes;
Accurate Calibration Of The Hickok 539B And Hickok 539C Tube Tester
Accurate Calibration Of The Hickok 539B And Hickok 539C Tube Tester
"Way back when" Audioxpress or maybe it's .....
predecessor Audio Amateur also had at least one construction article on building a "bogey tube" for Hickoks, that was in essence a high voltage current sink that you could plug into the tester, set up for a certain tube and then calibrate the sets meter. I made them up for a few different meter ranges but, dang, cant find either them or the original article.
Charles
O yeah, the fellow that wrote the article also made and sold these little units separately - and supplied a PC board and kit of parts that you could build into an octal plug.
predecessor Audio Amateur also had at least one construction article on building a "bogey tube" for Hickoks, that was in essence a high voltage current sink that you could plug into the tester, set up for a certain tube and then calibrate the sets meter. I made them up for a few different meter ranges but, dang, cant find either them or the original article.
Charles
O yeah, the fellow that wrote the article also made and sold these little units separately - and supplied a PC board and kit of parts that you could build into an octal plug.
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