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One tube, circa 1950s, U.S.A made by Raytheon for International,
type 5814A vacuum tube
as pictured.

<<<<< As pictured = What you see is what you get. >>>>>

Condition:
New Old Stock / New In Box

Silk-Screening:
very exquisite, please refer to photos

Acid Etched Designation:
5814 / A

Date Code:
nil

Tube features black ridge plates, 3 mica spacers and an angled-mount 'slightly-bended rectangular' getter on top.

*

Hickok TV-7B/U* tested

Test Results
 Tube#1        108 / 97                

(Triode#1 / Triode#2)

minimum recommended value for a good tube
 56 / 56 

*Hickok TV-7B/U is a mutual conductance(Gm) type tube tester. It does check for mutual conductance which is a more accurate measure of tube's age.

Satisfaction Guaranteed!
*FantasticTubes !!!
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