(!!!!!) (Best Overall GZ34) U77=GZ34 Genalex Gold Lion England fat base NOS 1959 very good printing - 1st version made (58/40 and 58/40) (Ultra-rare) 1% section balance
(!!!!) (Best Single) GZ34 Mullard branded Tronal NOS 1976 in white box (60/40 and 62/40)
(!!!) (Recommended Single) GZ34=5AR4 GE by Mullard UK NOS 1966 (58/40 and 58/40)
