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  1. Balanced Pair ECC83 / 12AX7 TESLA Foil Getter - 1961'y - NOS nr2

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  2. Vintage TESLA Pair ECC83 / 12AX7 NOS Same Date 1961'y Foil Getter

    Matched Balanced Strong Pair ECC83 TESLA Foil Getter 1961'y. - NOS.

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  3. Vintage TESLA Pair ECC83 / 12AX7 NOS Same Date 1971'y Foil Getter

    Matched Balanced Strong Pair ECC83 TESLA Foil Getter 1971'y. - NOS.

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  4. Balanced Pair ECC83 / 12AX7 TESLA Foil Getter - 1961'y - NOS

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  5. 2 x Tesla E83CC 12AX7 ECC83 Nickel Pins Tubes

    FOR SALE TESLA 2 E83CC NEW NOS NICKEL PINS TUBES.

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  6. ECC83 E83CC ECC803s Tesla Czechoslovakia (RSD Logo) double support halo getter

    Tube : 1.2mA / 1.2mA. 1.2mA = 100%.

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  7. Balanced Pair ECC83 / 12AX7 TESLA Foil Getter - 1960'y - NOS

    eBay

  8. 2x (PAIR!) TESLA ECC83 (12AX7, ECC803S, B339) 100%, 1961-2

    2x TESLA ECC83 / 12AX7. of original 1961-2 TESLA ECC83 tubes. Close date codes: 3/1961 ; 1/1962. One tube has a military 'crossed swords' marking!where a new/unused tube should have around S/gm = 1.60 mA/V, "good" value for transconductance starts at 1.2 mA/V.

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