6DQ6B Raytheon JAPAN like new 1960's (60ma)
6DW4 Sylvania branded GE tipped top NOS (1 pair)
6DW4 Sylvania tipped top like new
6DW4B Westinghouse Japan like new 1960's
6DX8=ECL84 GE Hitachi JAPAN 1972 (5.1mA and 13mA) (Shindo)
6DX8=ECL84 GE Hitachi JAPAN 1978 (3.0mA and 14mA) (Shindo)
6DX8=ECL84 Motorola Toshiba JAPAN used/good 1960's (3.3mA and 12.5mA) (Shindo)
6EA8 Zenith GE like new 1960's
6EC4A=EY500 GE JAPAN NOS 1960's (1 pair)
6ER5 Sylvania NOS 1960's smeared printing high emission
6ER5=EC95 NOS (3 pairs in stock)
6ES5 Sylvania rebranded GE NOS
6ES6=6FD6 International NOS
6FY5=EC97 International Servicemaster NOS made in JAPAN (3 pairs)
6FY5=EC97 NOS (6 tubes)
6GK5=6FQ5A GE branded RCA NOS (17.4ma)
6GK5=6FQ5A GE NOS (9ma)
6GK5=6FQ5A Sylvania NOS (10ma)
6GU7 Magnavox RCA used/like new 1964 (10.2/9.8ma)
6GU7 RCA NOS 1975 (8.6/10ma)
