(!!!) (Recommended Single) 6KG6A RCA JAPAN NOS original boxes 1970's (142ma)
(!!!) (Recommended Single) 6KG6A Westinghouse JAPAN NOS 1973 (116ma)
(!!!) (Recommended Single) 6SN7GTB Sylvania NOS 1960's (7.2ma and 6.6ma)
(!!!) (Recommended Single) C-299=UV-99 Cunningham NOS 1920's (2.3ma) (highest Ma) (UV have small pins) (strong Gm)
(!!!) (Recommended Single) C-299=UV-99 Cunningham NOS 1920's with tube data sheet (2.4ma) (highest Ma) (UV have small pins) (strong Gm)
(!!!) (Recommended Single) C-299=UV-99 Cunningham NOS 1920's with tube data sheet (2.6ma) (highest Ma) (UV have small pins) (strong Gm)
(!!!) (Recommended Single) ER-230=30 Raytheon 1930's used/like new (4.1ma and Gm=800)
(!!!) (Recommended Single) JHS-6AN8A Sylvania NOS 1966 (13.6/16.5ma)
(!!!) (Recommended) 814=VT-154 GE ceramic base like new 1940's (105ma)
(!!!) (Single) 6072 RCA NOS gray plates 1967 (2.0/1.9ma) (Fender, Apex)
(!!!) (Single) 6100=CV4058=6C4 Mullard box plate NOS 1973 (9ma)
(!!!) (Single) 6F8G Tungsol parallel ribbed plates used/good 1940's (7.6/6.7ma)
(!!!) (Single) 6FQ7 RCA clear top NOS 1966-1971 (7.2/8.2ma) (STAX, MARANTZ, CONRAD JOHNSON)
(!!!) (SINGLE) ECC81=12AT7 Telefunken Germany <> bottom NOS 1965 (10.6ma/9.2ma)
(!!!) (SINGLE) JAN-CRC-5693 RCA used/like new 1958 (2.9ma)
(!!!) (slightly microphonic) 5687 Tungsol black plates "U" getter halo branded GE NOS 1950's (36/40ma)
(!!!) (slightly microphonic) 6922=E88CC Tesla Czech Republic NOS 1970 (15.0/16.8ma)
(!!!) (slightly microphonic) 6922=E88CC Tesla Czech Republic NOS 1970 (22/21ma)
(!!!) (slightly microphonic) JRC-5751WA RCA black plates triple mica D getter 1957 NOS (2.3ma/2.2ma) (1-3% section balance
(!!!) (~ Best Value Pair ~) EL84 Tesla NOS 1980's no printing (44.5ma and 44ma) 1% matched
