FIVRE 12BH7 TWIN TRIODE

TESTED DIGITAL TUBETESTER

DATA SHEET = Ia 11.5 - 11.5 mA - S 3.1 - 3.1 mA/V

RESULTS = Ia 9.2 - 9.7 mA - S 3.2 - 2.9 mA/V

CODE ON GLASS = F3B / F6J

MADE IN PAVIA ITALY FEBRUARY 1963