(!) (Recommended Mullard Pair) EL36 Mullard Blackburn UK NOS 1963 - 1968 (93ma and 87ma)
(!) (Recommended Pair) 0B2 GE Holland made in Japan NOS 1970's (argon gas)
(!) (Recommended Pair) 0B2 GE Italy made in Japan NOS 1970's (argon gas)
(!) (Recommended Pair) 0B2 RCA NOS 1970 (neon gas)
(!) (Recommended Pair) 5651 GE USA made for GE Canada NOS (1 pair)
(!) (Recommended Pair) 6AH6WA GE NOS 1980's (10/10.6ma)
(!) (Recommended Pair) 6AH6WA GE NOS 1980's (9.6/10ma)
(!) (Recommended Pair) 6AH6WA GE NOS 1983 (9.0/9.4ma)
(!) (Recommended Pair) 6JT6A RCA NOS (75ma and 78.5ma)
(!) (Recommended Pair) EL36 Haltron Japan clear top NOS 1960's (86ma and 93ma)
(!) (Recommended Single) 6N7GT Raytheon coated glass NOS 1940's (3.2/3.5ma)
(!) (Recommended Single) 7F7 Sylvania rebranded JAN-CBRZ-7F7 round gray plates used/like new 1940's (2.7/3.0ma) (highest testing single)
(!) (Recommended Single) 8068 GE Hewlett Packard NOS 1968 (42ma)
(!) (SET OF 3) 6SK7 RCA used/good 1940's (7.5ma/7.8ma/7.8ma) (good value)
(!) (Single) 12AZ7A Tungsol gray plates "O" getter halo NOS 1960 era (8.4ma/9.0ma)
(!) (Single) 12SN7GTA RCA black plates NOS 1960's (8.4/8.0ma)
(!) (SINGLE) 6BZ7=6BQ7A GE GM Delco "U" getter NOS 1950's (11.6/10ma)
(!) (SINGLE) 6DQ5 Sylvania NOS 1970's (106ma)
(!) (SINGLE) 6F8G Sylvania Zenith coated glass parallel plates like new 1940's (9.0/8.4ma)
(!) (SINGLE) 6JS6C Sylvania Zenith NOS (75ma)
