Mullard 5AR4 GZ34 Rectifier Vacuum Tube NOS-Testing 1G3GT Octal T34 I am playing them in

I am playing them in my Mini Mite 2013 as I write and they sound excellent

62/35 and 74/56 where minimum (65%) is 50/50 and 100% is 77/77

Transconductance measured 68/75 for Tube One and 72/68 for Tube Two where minimum (65%) is 56/56 and 100% is 86/86

(New US-made 6V6s typically test with plate current from the mid teens to mid 30s with transconductance from 2300 micromhos or so

new in box Sylvania 7056 tubes tested to spec on our Paul Hart-calibrated TV7/U

Mullard 5AR4 GZ34 Rectifier Vacuum Tube NOS-Testing 1G3GT Octal T34 I am playing them inThis new old stock testing Mullard 5AR4 GZ34 rectifier tube tested an almost perfectly balanced 64 62 in sections One and Two, respectively, on our Paul Hart calibrated TV7 U where minimum (65%) is 40 40 and 62 62. There was no emission drop running the filament at 4. 3 rather than five volts. It has an F32 B5A1 factory date code and the customary Mullard hole in its centering pin. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE