(!!) (Recommended Single) JAN-CRP-5687WA Raytheon black plates tests like new 1962 partiailly faded printing (33.2/35.4ma)
(!!) (SINGLE) 12AX7=ECC83 Telefunken Germany <> bottom ribbed plates low hours/like new 1962 (Gm=1500/1500) (0.9/8ma)
(!!) (SINGLE) 5R4GYB RCA NOS 1963 large getter (48/40 and 50/40)
(!!) (Single) PCC88=7DJ8 Philips Holland 1973 (9.5/10.6ma)
(!!) (~ Best Single ~) CEA-5993 Bendix Rectifier NOS 1950's (54/40 and 54/40)
(!!) 13D3 Brimar UK black plates tests like new 1962 (6.8ma/7.2ma) (similar to 12AU7)
(!!) 5R4GYB RCA rebranded Raytheon NOS 1960's (50/40 and 53/40)
(!!) 5V4GA Sylvania NOS 1957 (56/40 and 56/40)
(!!) 6BX7GT GE branded RCA NOS "D" getter 1958 (70ma/95ma)
(!!) 6EW7 GE PHILCO BIG BOTTLE black plates NOS 1964 (4.8/62ma)
(!!) ECF82=6U8 Telefunken Germany <> bottom NOS 1968-1969 faded printing (14ma triode and 8.6ma pentode)
(!!) Good Value Pair) E80CC=6085 International and Telefunken Holland gold pins used/good 1964-1971 (5.3/6.0ma and 5.8/6.4ma)
(!) (Best Single) 6111 France NOS 1962 (7.6/8.2ma)
(!) (Best Single) 6111 France NOS 1962 (7.8/8.2ma) (best triode balance)
(!) (Best Single) 6111 France NOS 1962 (8.4/9.5ma)
(!) (Best Single) 7N7 Sylvania NOS 1960 era (10.8/11.2ma)
(!) (Best Single) E83F=6689 Siemens Holland NOS gold pins 1968 (15.2ma)
(!) (BEST VALUE PAIR) EL84 Brimar England NOS 1962 (67ma and 66ma) (recommended for FIXED-BIAS amp only due to high current)
(!) (Good Single) 7N7 Sylvania branded GE NOS 1961-1962 (7.5/8.3ma)
(!) (Single) 7062 Amperex Holland "PQ" NOS large "O" getter halo 1960 (8.6/7.8ma)