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Matched Pair Raytheon USA 12AV7 [12AT7 12AY7 sub] 2 Black Plate Vacuum Tubes 85%

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Product Description

Tube Type / Number: 0
Actual Brand*: 0
Printed Brand: 0
Quantity of Tubes: 0
Plate Construction: 0
Getter Construction: 0
Country of Manufacture: 0
Visible Date Codes: 0
Lettering Condition: 0
Year Made: 0
Number of Mica Spacers: 0
Mica Shape: 0
Smoked Glass? 0
Engraved Base? 0
Boxes Included? 0
Notes: 0

Gm Test Results: 0

Minimum Good Value: 0
NOS Test Value: 0
Life Calculation: 0% (where 65% = fail)

Tests as NOS?: 0
True NOS?*: 0

** 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.


All of our tubes are 100% guaranteed to arrive as described, test as described and to be void of any sound defects. We offer a 30 day return window from the day you receive the item.

PLEASE NOTE - While we accept returns for basically any fault, we DO NOT accept returns for buyer's remorse which includes buyers who decide they don't like the subjective tonal signature of a tube. We have had people exploit our generous return policy to tube roll on our dime so we have a strict policy against this behavior.

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