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  1. Factory Matched Pair Tube Amp Doctor TAD 6V6GT 69 Special - Black Bottle - NOS

    SELECTED TUBE 6V6GT 69 SPECIAL (2) FACTORY MATCHED. they sound amazing on my fender princeton reissue, i never found before products like TAD do! TUBE AMP DOCTOR (TAD)- USA Authorized Dealer. TAD PREMIUM Matched NOS-Tube made in the year 1969.

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  2. RCA 6V6GTA VINTAGE NEW OLD STOCK TUBE IN ORIGINAL BOX

    New old stock, new in box. Tests strong as pictured. I will package properly and ship promptly.

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  3. NEW 4pcs 6P6S MATCHED QUAD Svetlana Tube NOS 6V6 6AY5 587

    Up for sale 4pcs 6P6S New tetrode tubes. MATCHED QUAD - tubes has identical electrical characteristics from Svetlana factory. Accuracy of selection is quad 5%.

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  4. NEW 2pcs 6P6S MATCHED PAIR Svetlana Tube NOS 6V6 6AY5 587

    Up for sale 2pcs 6P6S New tetrode tube. All tubes from Svetlana factory from 50 - 60 years. MATCHED PAIR - tubes has identical electrical characteristics. Accuracy of selection is pair 5%. 2 tubes in 1 lot.

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  5. JJ 6V6S Valve Tube NOS Boxed (V61)

    6V6S Valve Tube. JJ, Made in Slovak Republic. NOS, Supplied in Original Box.

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  6. 6V6G Black Glass Dimple Foil Getter NOS Brimar UK Valve Tubes (VT4)

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  7. NOS 6V6GTA 6v6 Audio Tube Brown Base Gray Glass Sylvania

    NOS is subject to interpretation and there is no specific definition for it either. There are suggestions and opinions. Tube testers do not test for these problems in the manner in which you think, except to the extent that a tube tester with sensitive leakage detection will find far more “noisy” tubes than a tube tester with only “fair” leakage sensitivity, to the extent that the noise is due to this problem.

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  8. NEW NOS NIB MATCHED PAIR Shuguang 6V6GT Power Tube TV-7 Tested

    NEW NOS NIB! MATCHED PAIR ! Electron Vacuum TUBE. TUBE's TEST RESULT's PERFECT (GM) BALANCED PAIR! SMOKED Black GLASS. TV-7/u Tested! I tested these on a High Quality Professonal Hickok TV-7/U Tester.

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