Tube testers and classic electronic test gear pdf

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tube testers and classic electronic test gear pdf

Tube Testers and Classic Electronic Test Gear by Alan Douglas

Posted: Jan Wed 06, am. All of the old tube testers are junk compared to what can be build today. Search the web there are some that people have build there. Posted: Jan Wed 06, pm. He describes the strengths and weaknesses of most testers and provides some excellent ideas for building your own.
File Name: tube testers and classic electronic test gear pdf.zip
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Published 23.01.2019

SICO TV-11 Tube Tester Repair & Some Notes on Tube Testers

Tube Testers and Classic. Electronic Test Gear by. Alan Douglas. ➢ An amazing review of tube testers, lots of Hickok information. ➢ Information.

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Tube Tester Data. Thumbing through the 56 page tube chart, I noticed many tubes listed have no "Rated Gm Micromhos" Data. Is there a way of determining this based on the manufacture Tube data? Needless to say chart updates are not exactly easy to locate. Hi Gene, If the Mercury values agree with other gm listings, then download for a Hickok or the like. The switch settings won't be useful, but you can fill out the gm table. But as a start, you can use the tube data sheets and maybe a few NOS examples for test values.

Posted in Tube Testers , Tubes on August 30th, Here is a letter from the Technical Service department of CBS Hytron tube company, dated June , that discusses a common problem with tube testers. They also tested 12BH7 from other manufacturers. Posted in Tube Testers , Tubes on March 21st, Posted in Blog , Tube Testers on April 13th, My intention was not to replace any vintage tube tester, but instead, to supplement functionality that does not exist in traditional tube testers.

A bogey tube is one that is considered to be calibrated based on the average on many tube readings. One could say than, that the bogey tube could be in put in the tube tester and the sensitivity knob would be rotated to give the correct meter reading. Than that sensitivity setting is used to test other like tubes. For example if a calibrated 6L6 was known to have Gm umhos, than one could adjust the sensitivity knob until the meter read , and note the position of the sensitivity knob. Where it get calibrated bogey tube is the question. The Gm is an intrinsic value of the tube and cannot be changed. But the test operating voltages can produce many kinds of different Gm values.

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I have a sneaking suspicion that this may make for a much better mousetrap, but the general consensus is that it does not. What I do understand is that the first advertisement seen above is from the July issue of Electron magazine. I am very afraid to even imagine what the retail price might be. You may also notice the metal cabinet upper left photo does not appear to have a lid. This makes me think they were counter models, or meant for the front counter of the radio repair shop, to show customers the condition of their tubes. What you should note is that starting with the R, you could substitute the factory socket assembly for a reversible version!

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