(1) Tested Arcturus Type 27 Short Bottle Blue Globe Balloon Engraved Base Tube.
Short bottle envelope.
There is a subtle rattle inside of the base from loose cement but obviously this doesn't affect performance. The base is tight and secure.
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 = 1150 micromhos
Minimum pass/good = 630
NOS Rating = 945
~ Please view all 7 photos ~
