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(!!!!) (Best Single #2) GZ34 Siemens Holland NOS 1961 double "D" getters (57/40 and 58/40) (Matchless, Marshall, Fender, Modwright)
(!!!) (Holland 1958) GZ34=5AR4 Holland used/strong 1961 no printing (58/40 and 58/40) 1% section balance (f33 series)
(!!!) (READ REVIEW) GZ34 Mullard UK shield logo NOS 1962 (59/40 and 59/40)
(!) (READ REVIEW) CV1377=GZ34 Mullard Blackburn UK NOS 1976
(!) (READ REVIEW) GZ34 Mullard UK shield logo NOS 1962
(!) (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)
