FOR SALE TESLA 2 E83CC NEW NOS NICKEL PINS TUBES.
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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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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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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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FOR SALE 2 TESLA ECC803S NEW NOS TUBES.
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Equivalent ECC83, 12AX7. Condition: NOS tubes. Date: XII.1977. I send parcels within 24 hours. Made in Czechoslovakia Roznov.
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