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(!!!) (Holland) GZ34=5AR4 Holland used/strong 1961 no printing (58/40 and 58/40) 1% section balance (f33 series)
(!!!!) (Best Single #2) GZ34 Siemens Holland NOS 1961 double "D" getters (57/40 and 58/40) (Matchless, Marshall, Fender, Modwright)
(!!!!) (Best GZ34 for the money) GZ34 Toshiba Japan NOS 1970's (60/40 and 60/40)
(!!!) (Best Value Pair) GZ34 Toshiba Japan NOS 1970's no printing (rare) (59-59/40 x 2 tubes) 1% matched (LS300, Dynaco, Latino, Scott, Marshall, Fender, Cary)
(!!!) (Best Value Pair) GZ34 Toshiba Japan NOS 1970's no printing (rare) (60-60/40 x 2 tubes) 1% matched (LS300, Dynaco, Latino, Scott, Marshall, Fender, Cary)
(!!) (Best Value Pair) GZ34 RSD by Matsushita NOS similar sound and build to Mullard NOS 1970's (59-60/40 and 59-60/40 x 2 tubes)
6AS7GA Sylvania metal base NOS 1960's (77/87ma)
Deforest Audion metal base display tube 1920's (single)
(!) (READ REVIEW) GZ34 Mullard UK shield logo NOS 1962
(!!!) (READ REVIEW) GZ34 Mullard UK shield logo NOS 1962 (59/40 and 59/40)
(!) (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)
