(!) (Best Value) 12AX7A China used/good 1990's no printing (0.9/1.1mA and Gm=1600/1700)
(!) (Best Value) 7025A=12AX7A China branded International Yugo NOS 1990's (1.0/0.9ma and Gm=1700/1600)
(!) ECC83=12AX7 China branded Siemens NOS 1993 (Gm=1300/1500)
(Best Value) 5AR4=GZ34 China NOS 1990's (50/40 and 50/40)
EL34 CHINA branded Philips welded plates NOS 1980's (105ma)
EL34J CHINA welded plates used/good 1970's (77ma)
