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(1) Tested Very Strong Raytheon 01A Tube Shouldered ST Envelope Engraved Base

(1) Tested Very Strong Raytheon 01A Tube Shouldered ST Envelope Engraved Base

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$48.95 USD
$48.95 USD
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(1) Tested Raytheon 01A Tube.
Shouldered ST style envelope with a tight and secure engraved base with no looseness.

This tube tests as NOS.

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

Gm Test = 800 micromhos
Minimum pass/good = 460
NOS rating = 690

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