Tube Type / Number: 10F9 / W1118
Actual Brand*: Mazda
Printed Brand: Mazda
Quantity of Tubes: Single
Plate Construction: Gray
Getter Construction: Top 
Country of Manufacture: England
Visible Date Codes: G5/GD/U.E.L.
Lettering Condition: 90 Percent
Number of Mica Spacers: 2
Mica Shape: Square
Smoked Glass? Clear
Engraved Base? No
Boxes Included? 1 Box - NOT Original
Notes: Metal Base
Gm Test Results: Untested Used - Appears to be a used tube and is sold as untested. SOLD AS-IS WITH NO RETURNS AND PRICED ACCORDINGLY.
Minimum Good Value: N/A
NOS Test Value: N/A
Life Calculation: N/A% (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.
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.