NIB NOS Matched Pair GE USA 117Z3 Short Gray Plate [] Get S-Rods Vacuum Tubes

GE $14.95

Tube Type / Number: 117Z3
Actual Brand*: GE
Printed Brand: GE
Quantity: 2 Pieces-Matched Pair
Matching Date Codes? No
Plate Construction: Short Gray
Getter Construction: Top []
Country of Manufacture: USA
Visible Date Codes: 62-19/188-5 & 61-39/188-5
Lettering Condition: 90 Percent
Number of Mica Spacers: 2
Mica Shape: Sawblade
Smoked Glass? Clear
Engraved Base? No
Boxes (always included): All Original
Notes: Support Rod [2]
Tested For & Matched By: Gm (General Mutual Transconductance)

Gm Test Results: 54 & 54

Minimum Good Value: 40
NOS Test Value: 50
Life Calculation: 100+% (where 65% = fail)

Tests as NOS?: Yes
True NOS?*: Yes

** 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.

Returns

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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Description

Tube Type / Number: 117Z3
Actual Brand*: GE
Printed Brand: GE
Quantity: 2 Pieces-Matched Pair
Matching Date Codes? No
Plate Construction: Short Gray
Getter Construction: Top []
Country of Manufacture: USA
Visible Date Codes: 62-19/188-5 & 61-39/188-5
Lettering Condition: 90 Percent
Number of Mica Spacers: 2
Mica Shape: Sawblade
Smoked Glass? Clear
Engraved Base? No
Boxes (always included): All Original
Notes: Support Rod [2]
Tested For & Matched By: Gm (General Mutual Transconductance)

Gm Test Results: 54 & 54

Minimum Good Value: 40
NOS Test Value: 50
Life Calculation: 100+% (where 65% = fail)

Tests as NOS?: Yes
True NOS?*: Yes

** 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.

Returns

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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Additional info

SKU: PM2533
Availability: Ships in 1 business day or less.
Shipping: Calculated at Checkout
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