NOS NIB CBS-Hytron USA 12BQ6GTB / 12CU6 Gray Plate Side [] Get Vacuum Tube

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Tube Type / Number: 12BQ6GTB / 12CU6
Actual Brand*: CBS-Hytron
Printed Brand: CBS
Quantity of Tubes: Single
Plate Construction: Gray Ribbed
Getter Construction: Side []
Country of Manufacture: USA
Visible Date Codes: 6048
Lettering Condition: 90 Percent
Year Made:
Mica Spacers: 2
Smoked Glass? No
Engraved Base? No
Boxes Included? 1 Box - Original

Gm Test Results: 120

Minimum Good Value: 56
NOS Test Value: 92
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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Additional Information

Item Type:
Vacuum Tubes
Production Era:
Vintage & NOS
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