(!!!!!) (Recommended Single) GZ34 Pope Holland metal base NOS 1956 (57/40 and 60/40)
(!!!!) (Best Single 1975) GZ34 Mullard UK NOS 1975 (59/40 and 60/40)
(!!!!) (Best Single) GZ34 Mullard UK branded Adzam NOS 1969 (58/40 and 58/40)
(!!!!) (Best Value Single) GZ34 Mullard UK NOS 1975 (58/40 and 63/40)
(!!!!) (Best Value Single) GZ34=5AR4 Philips Mullard NOS 1979 (57/40 and 58/40)
(!!!!) (Recommended Single) GZ34 Mullard UK branded Siemens NOS 1966 (57/40 and 57/40)
(!!!) (Best Value) GZ34=5AR4 Philips Mullard used/tests like new 1970's (60/40 and 63/40)
(!!!) (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)
(!) (Good Value Single) GZ34=5AR4 Dynaco Mullard brown base used/good 1968 (57/40 and 57/40)
(!) (Good Value Single) GZ34=5AR4 Mullard branded Siemens used/good 1972 vertical scrapes on base (56/40 and 56/40)
(!) (Good Value Single) GZ34=5AR4 Philips Mullard used/good 1975 (56/40 and 56/40)
(!) (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)
