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(!!) (Best Value Pair) 12AU7A Sylvania NOS 1960's - 1970's (10.6/9.2ma and 9.6/10ma)
(!!) (Best Value Pair) 12AU7A Sylvania NOS 1970-1975 (9.0/9.1ma and 9.0/8.8ma) (Close Gm)
(!!) (Best Value Pair) 12BH7A Channel Master Japan by Hitachi NOS 1962 (10/15ma and 10.6/11.8ma)
(!!) (Best Value Pair) 12SN7GTA GE NOS 1969-1974 (9/8.2ma and 10/9.4ma) (Same Gm)
(!!) (Best Value Pair) 6189W Philips ECG NOS by Sylvania 1983-1987 (8/10ma and 8.6/10ma)
(!!) (Best Value Pair) 6FQ7 GE branded Amperex and Westinghouse NOS 1970's (6.4/7.4ma and 6.4/7.4ma) 1-2% matched
(!!) (Best Value Pair) JAN-CG-6AC7 GE 1953 test like new (10.4ma/10.6ma)
(!!) (Best Value Pair) X-226 and MX-226 no name balloon used/like new 1920's same build (6.3mA and 6.5ma)
(!!) (Best Value Single 1953) 12AU7 Sylvania black plates "D" getter used/strong 1953 no printing (9.6/11.8ma)
(!!) (Best Value Single 1961) 5687WA Tungsol bronze plates "O" getter halo used/very good 1961 (33.4/34.8ma)
(!!) (Best Value Single) 12AT7WA Raytheon black plates - triple mica - O getter halo 1975 era like new (8.5/9.2ma)
(!!) (Best Value Single) 12AT7WA Raytheon NOS black plates - triple mica - O getter halo 1975 era like new (8/12.6ma)
(!!) (Best Value Single) 12AU7A=ECC82 Mullard UK ribbed plates used/tests like new 1962 (Gf1 series) (10.0/12ma) 1-2 section balance (Same Gm)
(!!) (Best Value Single) 12AX7=ECC83 Mullard Bogen UK used/good 1966 (Gm=1300/1300)
(!!) (Best Value Single) 6922=E88CC Tesla Czech Republic NOS 1970 (10.6/15ma) (RODE)
(!!) (Best Value SIngle) 7199 Sylvania NOS 1970 (15ma pentode/6.2ma triode)
(!!) (Best Value Single) E88CC=6922 Siemens Halske Germany "O" getter halo used/very good 1963 (11.5/12.6ma) (mic grade)
(!!) (Best Value Single) ECC85=6AQ8 RCA Canada NOS 1970's (12.6/11.0ma)
(!!) (Best Value Single) ECC85=6AQ8 RCA Canada NOS 1970's faded printing (12.2/13.0ma)
(!!) (Best Value Single) ECL82 EI Yugo branded PAN Germany in PAN box NOS 1974 (2.3ma and 42ma)
