(!!!!!) (2nd Best Pair 1959) 5AR4/GZ34 Fisher Mullard UK Fat Base NOS 1959 (f31 series) (57-57/40 and 57-57/40) 1-2% section balance (2nd best GZ34 to metal base)
(!!!!!) (Best GZ34) GZ34 Mullard UK shield logo fat base 1959 (58/40 and 59/40) (f31 series)
(!!!!) (Best Single 1975) GZ34 Mullard UK NOS 1975 (59/40 and 60/40)
(!!!!) (Best Single) GZ34 Mullard UK branded Mazda NOS 1975 (58/40 and 59/40)
(!!!!) (Best Single) GZ34 Mullard UK branded Mazda NOS 1975 (58/40 and 60/40)
(!!!!) (Good Value) GZ34 Mullard UK low hours/like new 1970 (58/40 and 58/40)
(!!!) (READ REVIEW) GZ34 Mullard UK shield logo NOS 1962 (59/40 and 59/40)
(!!) (BEST VALUE) GZ34 Mullard rebranded Sylvania used/like new 1969 (58/40 and 60/40)
(!) (READ REVIEW) GZ34 Raytheon Japan by Matsushita NOS similar sound and build to Mullard NOS 1970's (59/40 and 59/40 x 2 tubes)
(Best Value) 5AR4=GZ34 China NOS 1990's (50/40 and 50/40)
(read review) GZ34 Mullard UK shield logo NOS 1962 (sold out)
CV1377=GZ34 Mullard Blackburn UK NOS 1976 (read review)
