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(1) Tested Sylvania 6Q7 Tube with Box Twin Diode High Mu Triode Vacuum Tube

(1) Tested Sylvania 6Q7 Tube with Box Twin Diode High Mu Triode Vacuum Tube

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(1) Tested National Union 6Q7 Tube with Original Box.

The box shows scuffing with edge and corner wear.

Tested on a calibrated Hickok TV-10 military tube tester and exhibiting no shorts or leaks with the following results:

Test Result = 1150 micromhos
Minimum pass/good = 500
Both diodes sections test at 1300 and 1175 where 800 is minimum pass/good.

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