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Mazda

NOS Matched Pair Mazda France 6X4 Grey Silver Plate Fat D Get Vacuum Tubes

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SKU:
PH0431
UPC:
Mazda 6X4
MPN:
Mazda 6X4
Availability:
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$29.75

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Description

Tube Type / Number: 6X4
Actual Brand*: Mazda
Printed Brand: Mazda
Quantity of Tubes: Matched Pair
Plate Construction: Grey Silver
Getter Construction: Top Horseshoe
Country of Manufacture: France
Visible Date Codes: BX: 6138: 1-2 & BX 5743
Lettering Condition: 90 Percent
Year Made:
Number of Mica Spacers: 2
Mica Shape: Saw
Smoked Glass? Clear
Engraved Base? No
Boxes Included? Multiple Boxes - NONE Original
Notes:

Gm Test Results: 52/50 & 62/60

Minimum Good Value: 40/40
NOS Test Value: 50/50
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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