FIVRE ECC82 / 12AU7

TESTED TUBETESTER

DATA SHEET Ia =10.5 mA / S 2.2 mA

RESULTS = Ia 10.4-10.2 mA S 2.2-2.3 mA/V 

LONG RIBBED GRAY PLATES, LARGE RING GETTER

CODE ON GLASS = F3J

MADE IN PAVIA ITALY OCTOBER 1963

IN NEW WHITE PAPER BOX