In Box RCA Victor USA 1S5 [DAF91] PINCHED WAIST Vacuum Tube 72%

RCA Victor $7.46

Tube Type / Number: 1S5 [DAF91]
Actual Brand*: RCA Victor
Printed Brand: RCA Victor
Quantity of Tubes: Single
Plate Construction: Silver Smooth
Getter Construction: Top True D
Country of Manufacture: USA
Visible Date Codes: RE6
Lettering Condition: 25 Percent
Year Made:
Mica Spacers: 2
Smoked Glass? No
Engraved Base? No
Boxes Included? 1 Box - Original
Notes: Pinched Waist, For Zenith Transoceanic

Gm Test Results: 15/52

Minimum Good Value: 13/20
NOS Test Value: 21/30
Life Calculation: 72% (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.

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Description

Tube Type / Number: 1S5 [DAF91]
Actual Brand*: RCA Victor
Printed Brand: RCA Victor
Quantity of Tubes: Single
Plate Construction: Silver Smooth
Getter Construction: Top True D
Country of Manufacture: USA
Visible Date Codes: RE6
Lettering Condition: 25 Percent
Year Made:
Mica Spacers: 2
Smoked Glass? No
Engraved Base? No
Boxes Included? 1 Box - Original
Notes: Pinched Waist, For Zenith Transoceanic

Gm Test Results: 15/52

Minimum Good Value: 13/20
NOS Test Value: 21/30
Life Calculation: 72%
(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.

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Additional info

SKU: TX3535
Availability: Ships in 1 business day or less.
Shipping: Calculated at Checkout
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