(!!!!) (Best GZ34 for the money) GZ34 Raytheon Japan by Matsushita NOS similar sound and build to Mullard NOS 1970's (60/40 and 60/40)
(!!!) (Recommended Single) GZ34 Raytheon Japan by Matsushita NOS similar sound and build to Mullard NOS 1970's (59/40 and 59/40)
(!!!) (Recommended Single) GZ34 Raytheon Japan by Matsushita NOS similar sound and build to Mullard NOS 1970's (60/40 and 60/40)
(!!!) (Recommended Single) GZ34 Mullard UK shield logo NOS 1962 (58/40 and 58/40)
(!!!) (Recommended Single) GZ34 Mullard UK shield logo NOS 1962 (59/40 and 59/40)
(!!) (Best Value Pair) GZ34 Raytheon Japan by Matsushita NOS similar sound and build to Mullard NOS 1970's (60-60/40 and 60-60/40 x 2 tubes)
(!!) (BEST VALUE) GZ34 Mullard rebranded Sylvania used/like new 1969 (58/40 and 60/40)
(!) (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 1973 (58/40 and 60/40)
(!) (Good Value Single) GZ34=5AR4 Philips Mullard used/good 1975 (56/40 and 56/40)
(Best Value) 5AR4=GZ34 China NOS 1990's (50/40 and 50/40)
GZ34 Raytheon Japan by Matsushita NOS similar sound and build to Mullard NOS 1970's (59/40 and 59/40 x 2 tubes)