2 X 6679 / 12AT7 / ECC81 TUBE. 1950s PRODUCTION. BLACK PLATES, RECTANGULAR TILTED GETTER, COPPER RODS, MATCHED PAIR. TESTED IN AMPLITREX AT1000 TUBE TESTER.
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I test all tubes thoroughly and with great care. I test to the best of my ability, and I report all results honestly.
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Manufacturer: GE for Raytheon. Plate(s): Black w/Copper Grid. But this the way of the world now. We are always looking to buy more tubes. Large collections, small collections, it doesn't matter. Looking forward to hearing from you, Dan.
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New Old stock. With Original box. From clean working environment.
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5 Vintage 12AX7 Tubes, All test between 56 and 86 where 50 is good on my tv-7 Boxed RCA TESTS 72/80 Raytheon tests 80/86 Remaining three test 56/80
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TheECC81 (12AT7) Motorola by GE NOS NIB, manufactured in the United States in 1975 by General Electric for Motorola, combines GE build robustness with the Motorola quality mark. TheECC81 (12AT7) Motorola by GE NOS NIB, manufactured in the USA in 1975 by General Electric for Motorola, combines GE’s robust construction with Motorola’s quality standards.
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There is always a possibility of a typo or a an error that can potentially be made on our end without the intent of doing so.
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Reference tube is tested first then the tube listed for sale. Test procedure.
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