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1. 2 x Tesla E83CC 12AX7 ECC83 Nickel Pins Tubes

   FOR SALE TESLA 2 E83CC NEW NOS NICKEL PINS TUBES.

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2. 2 x TESLA ECC803S ECC83 12AX7 Tubes

   NOS Tesla ECC803S. Perfect working order. Minimal use in a Croft preamp to check operation as I have no meter to test.

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3. 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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4. E83CC = 12AX7 Tesla Matched Pair Yellow Print Gold Pins Frame Grid NEW same date

   Tesla E83CC exclusive, rare matched pair. The tubes are new and never used. Ia1 = 1.2 mA, Ia2 = 1.34 mA. Ua = 250V, Ug1 = -2V.

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5. 2 x TESLA ECC803S ECC83 12AX7 Tubes

   FOR SALE 2 TESLA ECC803S NEW NOS TUBES.

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6. Vintage TESLA E83CC/12AX7 Gold Pins Tube NOS

   Equivalent ECC83, 12AX7. Condition: NOS tubes. Date: XII.1977. I send parcels within 24 hours. Made in Czechoslovakia Roznov.

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7. Balanced Pair ECC83 / 12AX7 TESLA Foil Getter - 1958'y - NOS nr5

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8. Balanced Pair ECC83 / 12AX7 TESLA Foil Getter - 1958'y - NOS nr7

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