Date Matched Pair Amperex Holland 6ES8/ECC189 Gray Plate Vacuum Tubes 70%

Amperex $19.95

Tube Type / Number: 6ES8/ECC189
Actual Brand*: Amperex
Printed Brand: Unknown & Motorola
Quantity of Tubes: Date Matched Pair
Plate Construction: Gray
Getter Construction: Top O
Country of Manufacture: Holland
Visible Date Codes: IX1/?9H [2]
Lettering Condition: 25 Percent
Year Made:
Number of Mica Spacers: 2
Mica Shape: Sawblade
Smoked Glass? Clear
Engraved Base? No
Boxes Included? Multiple Boxes - NONE Original
Notes:

Gm Test Results: 7750/7750 & 8500/8250

Minimum Good Value: 7500/7500
NOS Test Value: 12375/12375
Life Calculation: 66/66% & 71/70% (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: 6ES8/ECC189
Actual Brand*: Amperex
Printed Brand: Unknown & Motorola
Quantity of Tubes: Date Matched Pair
Plate Construction: Gray
Getter Construction: Top O
Country of Manufacture: Holland
Visible Date Codes: IX1/?9H [2]
Lettering Condition: 25 Percent
Year Made:
Number of Mica Spacers: 2
Mica Shape: Sawblade
Smoked Glass? Clear
Engraved Base? No
Boxes Included? Multiple Boxes - NONE Original
Notes:

Gm Test Results: 7750/7750 & 8500/8250

Minimum Good Value: 7500/7500
NOS Test Value: 12375/12375
Life Calculation: 66/66% & 71/70% (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: PM1313
Availability: Ships in 1 business day or less.
Shipping: Calculated at Checkout