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  • NIB NOS Ken-Rad USA 1H4G Silver Plate D Foil Get Vacuum Tube 100+%

NIB NOS Ken-Rad USA 1H4G Silver Plate D Foil Get Vacuum Tube 100+%

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Product Description

Tube Type / Number: 1H4G
Actual Brand*: Ken-Rad
Printed Brand: Ken-Rad
Quantity of Tubes: Single
Plate Construction: Silver
Getter Construction: Bottom D Foil
Country of Manufacture: USA
Visible Date Codes:
Lettering Condition: 90 Percent
Year Made:
Mica Spacers: 2
Smoked Glass? No
Engraved Base? No
Boxes Included? 1 Box - Original

Gm Test Results: 40

Minimum Good Value: 23
NOS Test Value: 37
Life Calculation: 100+% (where 65% = fail)

Tests as NOS?: Yes
True NOS?*: Yes

** 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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