12BH7A Matsushita Japan branded Amperex Holland NOS 1970's (8.8ma/9.6ma)
12SL7GT GE branded RCA NOS 1970's (2.2/2.4ma)
12SL7GT GE NOS 1966 (2.0/2.3ma)
12SN7GT RCA NOS 1960 with plate support rods (8.0/8.2ma) 1-2% section balance
272A Western Electric "meshplate" used/good 1963 (5.0ma Gm=600)
328A Western Electric "small punch" NOS 1953 (5.5ma)
328A Western Electric small punch plate used/good 1953 (4.6ma)
407A LM Ericsson Sweden like new 1960's (41/26 and 42/26)
407A LM Ericsson Sweden used/good 1960's
407A Western Electric like new 1968 in white box (54/26 and 64/26)
407A Western Electric used/good 1959
407A Western Electric used/good 1967
407A Western Electric used/good 1972
421A Western Electric NOS 1984 (sold - read review)
534AX Raytheon NOS (4 in stock)
5651 Sylvania rebranded GE NOS 1960's (2 in stock)
5651A Sylvania rebranded RCA NOS 1983 (1 in stock)
5654=6AK5W=EF95 Radio Technique (RT) France NOS 1962 (5.7ma)
5687WA Sylvania JAN used/tests like new 1960's (39/43ma) (high Ma and Gm)
5840=EF732 Raytheon NOS 1960's
