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(1) Tested The Fisher EC900 6HA5 Tube Triode Etched Code 3I3 Great Britain

(1) Tested The Fisher EC900 6HA5 Tube Triode Etched Code 3I3 Great Britain

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$9.95 USD
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(1) Tested The Fisher EC900/6HA5 Tube.
Etched Date Code 3I3. Made in Great Britain.

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

Gm Test = 10,000 micromhos
Minimum pass/good = 8000

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