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(1) Tested Arcturus Type 51 Tube Blue Arcturus 551 Globe Balloon Tube (c)

(1) Tested Arcturus Type 51 Tube Blue Arcturus 551 Globe Balloon Tube (c)

Tested and Guaranteed

$34.95 USD
$34.95 USD
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(1) Tested Arcturus Type 551 (Type 51) Blue Globe Balloon Tube.

The top grid cap sits a little proud/off of the glass but is still very secure and tight with no looseness - see last photo.
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 = 1100 micromhos
Minimum pass/good = 640
NOS rating = 960

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