NOS Matched Trio (3) Tung-Sol USA Type 24A Silver Mesh Plate Vacuum Tubes

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SKU:
PB026
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Was: $26.01

Description

Tube Type / Number: Type 24A
Actual Brand*: Tung-Sol
Printed Brand: Tung-Sol
Quantity of Tubes: Matched Trio (3)
Plate Construction: Medium Silver Mesh
Getter Construction: D Foil
Country of Manufacture: USA
Visible Date Codes: MR28 & 322739 & MR24
Lettering Condition: 100 Percent
Year Made:
Mica Spacers: 2
Smoked Glass? No
Engraved Base? No
Boxes Included? 3 Boxes - All NOT Original
Notes: ST

Gm Test Results: 52 & 54 & 56

Minimum Good Value: 25
NOS Test Value: 41
Life Calculation: 100+% (where 65% = fail)

Tests as NOS?: Yes
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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Additional Information

Item Type:
Vacuum Tubes
Production Era:
Vintage & NOS
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