NOS Matched Trio Super Silvertone 6K7G Silver Mesh Plate Engraved Vacuum Tubes 3

Super Silvertone $36.75

Tube Type / Number: 6K7G
Actual Brand*: Super Silvertone
Printed Brand: Super Silvertone
Quantity of Tubes: Matched Trio (3)
Plate Construction: Silver Mesh
Getter Construction: Bottom D Foil
Country of Manufacture: USA
Visible Date Codes: 97 & 17 & 106
Lettering Condition: 90 Percent
Year Made:
Number of Mica Spacers: 2
Mica Shape: Round
Smoked Glass? Clear
Engraved Base? Yes
Boxes Included? Multiple Boxes - NONE Original
Notes:

Gm Test Results: 70 & 70 & 78

Minimum Good Value: 36
NOS Test Value: 59
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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Description

Tube Type / Number: 6K7G
Actual Brand*: Super Silvertone
Printed Brand: Super Silvertone
Quantity of Tubes: Matched Trio (3)
Plate Construction: Silver Mesh
Getter Construction: Bottom D Foil
Country of Manufacture: USA
Visible Date Codes: 97 & 17 & 106
Lettering Condition: 90 Percent
Year Made:
Number of Mica Spacers: 2
Mica Shape: Round
Smoked Glass? Clear
Engraved Base? Yes
Boxes Included? Multiple Boxes - NONE Original
Notes:

Gm Test Results: 70 & 70 & 78

Minimum Good Value: 36
NOS Test Value: 59
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 info

SKU: PM1476
Availability: Ships in 1 business day or less.
Shipping: Calculated at Checkout