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(!!!) (Pair) JTL-6AK5 Tungsol gray plate "D" getter used/good 1952-1954 (5.1ma/5.6ma) (same Gm)
(!!!) (Recommended Pair) 6005W Sylvania JAN black plate clear glass NOS 1971-1979 (53.0ma and 54.6ma)
(!!!) (Single) 6J5G Sylvania engraved base black oval plate used/very good 1930's (8.0ma)
(!!!) 6V6G Zenith Sylvania engraved base used/good 1930's (39ma)
(!!) (Pair #3) 56 Sylvania black plate NOS 1940's branded Western Electronics 1940's one tube has slightly tilted glass (5.2ma and 5.5ma)
(!!) (Pair #4) 56 Sylvania black plate NOS 1940's branded Western Electronics 1940's one tube has slightly tilted glass and plate (5.4ma and 5.4ma)
(!!) (Pair) EL822 Mullard black plate NOS 1973-1974 (40ma and 41ma)
(!!) (~ Best Value Pair ~) 56 Sylvania test like new 1940's (5.3ma and 5.5ma)
(!!) 6BQ5 Sylvania gray plate NOS 1960's (63.5ma)
(!!) 6BQ5 Sylvania gray plate NOS 1970's (44ma)
(!!) EL822 Mullard black plate NOS 1974 (51ma)
(!) (Recommended Pair) 76 Sylvania black plate branded Tungsol and Westinghouse NOS 1946 (5.6ma and 5.4ma)
(!) (Recommended Sylvania Pair) 6BQ5 Sylvania black plate 1960's and 1973 (68ma and 62.5ma) (recommended for FIXED-BIAS amp only due to high current)
(!) (Single) 6550 Tungsol black plate used/good 1950's (115ma)
(!) (Single) 6550 Tungsol black plate used/good 1950's - guide pin broken off (123ma)
(!) (SINGLE) 6L6GB RCA Baldwin gray plate used/good 1959 (65ma)
(Best 12AT7 Value) JAN-12AT7WC Philips by Sylvania black plates NOS 1981-1984 (0 in stock)
(Best 12AT7 Value) JAN-12AT7WC Sylvania black plates NOS 1970's - 1982 (13 in stock)
(READ REVIEW) 7189 Westinghouse gray plate NOS 1960's (46ma)
(SINGLE) JAN-12AT7WC Philips by Sylvania black plates NOS 1981 (11.2/7.6ma)