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(1) Tested Strong RCA 6FY5 EC97 Tube and Box Great Britain Code BQ Triode (b)

(1) Tested Strong RCA 6FY5 EC97 Tube and Box Great Britain Code BQ Triode (b)

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$9.95 USD
$9.95 USD
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(1) Tested Very Strong RCA 6FY5/EC97 Tube with Original Box.
Date Code BQ. Made in Great Britain.

This tube tests well above NOS ratings.

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

Gm Test = 14,500 micromhos
Minimum pass/good = 7250
Average NOS rating = 10,875

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