Description
Matched Pair Tesla ECC82 / 12AU7 / Double Triode Audio Tubes. Made in Czechoslovakia in 1960. Same Data Codes: QL - November 1960. Solid Foil Getter. NOS, Never Used in Own Original Packaging. Tested on Professional Calibrated Tube Tester L3-3. Test Condition: Uf = 6,3V Ug1 = -8,5V Ua = 250V Test Results: Tube 1 Ia1 = 12,5mA S1 = 2,70mA/V Ia2 = 10,0mA S2 = 2,50mA/V Tube 2 Ia1 = 12,0mA S1 = 2,60mA/V Ia2 = 11,0mA S2 = 2,50mA/V Where 100% is Ia = 10,5mA S = 2,2mA/V Shipping from Bulgaria to EU Usually Takes 3 - 10 Business Days. Shipping Outside Europa Usually Takes 10 - 25 Business Days.