Original WESTERN ELECTRIC WE396A / 2C51 JW Vacuum Tube with D-Getter, NOS-NIB
most date codes we checked indicated the years 1951 till early 1960s
This is the real thing - the wholy grail from original Western Electric USA manufacturing in the mid of the last century.
the identical tube may be marked 396A or JW 2C51 or with both (see pictures); all made in USA, some in retail boxes, some in industrial / military boxes
matching is for same amplification factor in a real audio circuit
drop-in upgrade for any 6N3P and 5670
