EF12 RFT

glass tube

NOS NIB  TESTED 112%

MAIHAK NEUMANN TELEFUNKEN PROFESSIONAL GEARS 

made in GERMANY  in 1958

original box is included

tube seem to be unused, tested strong

 Ia = 3,4mA

where 3mA = 100% for the new tube

 the tube is in a great electrical and visual shape

you will get the tube you can see at the pictures

I always send the tubes by registered priority mail with tracking number within hours after receiving payment