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  • NOS Matched Pair RCA US 6CG7/6FQ7 2 Grey Plate Clear Top Vacuum Tubes 100+%

NOS Matched Pair RCA US 6CG7/6FQ7 2 Grey Plate Clear Top Vacuum Tubes 100+%

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Product Description

Tube Type / Number: 6CG7/6FQ7
Actual Brand*: RCA
Printed Brand: RCA
Quantity of Tubes: Matched Pair
Plate Construction: 2 Grey Ribbed
Getter Construction: Side []
Country of Manufacture: USA
Visible Date Codes: Z 66-48 KLH & U 67-17 EFS
Lettering Condition: 50 Percent
Year Made:
Number of Mica Spacers: 2
Mica Shape: Saw
Smoked Glass? Clear
Engraved Base? No
Boxes Included? Multiple Boxes - NONE Original
Notes: Clear Top

Gm Test Results: 100/84 & 100/86

Minimum Good Value: 50/50
NOS Test Value: 82/82
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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