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Ken-Rad

NOS Matched Pair Ken-Rad USA 6D6 Silver Plate 3 MICA Smoked Glass Vacuum Tubes

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SKU:
PE1604
UPC:
Ken-Rad 6D6
MPN:
Ken-Rad 6D6
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Was: $8.75

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Description

Tube Type / Number: 6D6
Actual Brand*: Ken-Rad
Printed Brand: Ken-Rad
Quantity of Tubes: Matched Pair
Plate Construction: Silver
Getter Construction: Bottom
Country of Manufacture: USA
Visible Date Codes: B3 & W2
Lettering Condition: 100 Percent
Year Made:
Number of Mica Spacers: 3
Mica Shape: U
Smoked Glass? Black Smoked-Half
Engraved Base? No
Boxes Included? Multiple Boxes - NONE Original
Notes:

Gm Test Results: 66 & 66

Minimum Good Value: 40
NOS Test Value: 66
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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