2 matched 1966 Sylvania 5963 Tubes - Hickok TV-7B tests@ 89/85, 87/86, Min:50/50 For Sale

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2 matched 1966 Sylvania 5963 Tubes - Hickok TV-7B tests@ 89/85, 87/86, Min:50/50:
$19.95

*FantasticTubes🎷 🎶

One matched pair,circa1966,U.S.A.made bySylvania,
typeJHS-5963vacuum tubes
as As pictured = The tubes you see are the tubes you get! >>>>>>>

Condition:
Lightly used tubes

Silk-Screening:
Please see the photos

Acid Etched Designations:
5963
5963

Date Codes:
66-15
66-15

Tubes featuregrey plates and a top-mounted \'Halo-Ring\' gettersconstruction.

Tubes appear to have same internal structure.

HickokTV-7B/U*tested as5963

Test Results
Tube#1 89/85
Tube#2 87/86

minimum recommended (65% of NEW) value for a good tube
50/50
(Triode#1 /Triode#2)

*HickokTV-7B/Uis a mutual conductance(Gm)type tube tester. It does check for mutual conductance which is a moreaccurate measure of tube\'s age.

Satisfaction Guaranteed!
*FantasticTubes !!!
🎷🎶

2 matched 1966 Sylvania 5963 Tubes - Hickok TV-7B tests@ 89/85, 87/86, Min:50/50 For Sale

2 matched 1966 Sylvania 5963 Tubes - Hickok TV-7B tests@ 89/85, 87/86, Min:50/50: $19.95

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2 matched 1966 Sylvania 5963 Tubes - Hickok TV-7B tests@ 89/85, 87/86, Min:50/50:
$19.95