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Philco

Philco USA 6BK4C/6EL4A Grey Round Plate 2 Bottom O Get Vacuum Tube 71%

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SKU:
TE4901
UPC:
Philco 6BK4
MPN:
Philco 6BK4
Availability:
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Now: $1.88
Was: $3.75

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Description

Tube Type / Number: 6BK4C/6EL4A
Actual Brand*: Philco
Printed Brand: Philco
Quantity of Tubes: Single
Plate Construction: Grey Round
Getter Construction: 2 Bottom O
Country of Manufacture: USA
Visible Date Codes: EOX 1063
Lettering Condition: 100 Percent
Year Made:
Number of Mica Spacers:
Mica Shape:
Smoked Glass? Clear
Engraved Base? No
Boxes Included? 1 Box - NOT Original
Notes:

Gm Test Results: 20

Minimum Good Value: 17
NOS Test Value: 28
Life Calculation: 71% (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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Additional Information

Item Type:
Vacuum Tubes
Production Era:
Vintage & NOS
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