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  • Ken-Rad USA 7F7 Black Plate Top Get Chrome Dome S-Rods Vacuum Tube 66/93%

Ken-Rad USA 7F7 Black Plate Top Get Chrome Dome S-Rods Vacuum Tube 66/93%

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Product Description

Tube Type / Number: 7F7
Actual Brand*: Ken-Rad
Printed Brand: Ken-Rad
Quantity of Tubes: Single
Plate Construction: Smooth Black
Getter Construction: Top
Country of Manufacture: USA
Visible Date Codes: P2R
Lettering Condition: 100 Percent
Year Made:
Mica Spacers: 2
Smoked Glass? No
Engraved Base? No
Boxes Included? 1 Box - Not Original
Notes: Chrome Dome/Support Rod

Gm Test Results: 35/50

Minimum Good Value: 33/33
NOS Test Value: 54/54
Life Calculation: 66/93% (where 65% = fail)

Tests as NOS?: No
True NOS?*: No

** Please note, many tubes will test NOS but will actually have a few hours of use on them. A truly NOS tube will have excellent getter flashing condition, no dirt/grime, usually in the original box, and no filament deposits. If a tube is listed  as "tests NOS" but is listed as "not True NOS" please expect the tube to have a small amount of use *

All tubes have been tested using only the best tube testers. We have a large fleet of tube testers, and every single one of them has been calibrated within the last year by industry experts. We mainly use the Hickok TV-7D/U, but occasionally we may use a Hickok 539, 533A, or 600A.

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