NOS Mullard EL34 XF-2 Single Getter (Various Labels)
These tubes are made by Mullard and are identical to Mullard labeled EL34s in every way except for the labels and boxes. All made at the Blackburn England factory with the B production code. XF2 production codes and 1 halo getter. Two matched pairs in stock labeld and boxed as RCA. Pair 1 matched within 1mA on our Maxi Matcher, Pair two is within 5mA.