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7189 RCA like new 1967 (40.5ma)
(!!!!) (Single) 12AX7 RCA Motorola black plates "D" getter used/good 1953 (0.8/0.8ma and Gm=1400/1400) 1% section balance
(!!!!) (Best Overall Pair) 5U4GB RCA NOS 1975 same date codes (61-60/40 and 60-60/40) 1-2% matched (Best Sound)
(!!!!) (Slightly microhonic Single) 5751 RCA Hewlett Packard black plates NOS 1968 (2.4/2.6ma)
(!!!) (Single 1943) 6X5GT=VT-126B RCA black plates NOS 1943 slightly tilted glass (54/40 and 58/40) (Best Sound)
(!!!) (slightly microphonic) 5687 Tungsol black plates "U" getter halo branded GE NOS 1950's (36/40ma)
5693 RCA red can used good 1958 scratches on metal can (2.5ma)
(!!!) (Best Value) 7025 RCA gray pinched plates used/good 1961 era (Gm=1300/1400 and 0.6/0.8mA) (recommended for guitar amp)
112A RCA used/tests like new 1930's (7.5ma)
(!!!!) (Good Value Pair) 6JT6A RCA like new and NOS 1960's (58ma and 60ma)
5879 RCA triple mica "D" getter NOS 1957 (1.4ma)
40KG6A=PL519 JAPAN branded RCA tall bottle clear top NOS (1 in stock)
(!!!) (Single) 5751 RCA black plates triple mica "D" getter 1955 era low hours/tests like new faded printing (2.4ma/2.8ma) (High Gm)
117Z6GT US Brands NOS (6 in stock)
25L6GT RCA NOS 1963 (98/60)
(!) (SINGLE) 5692 RCA RED BASE rebranded GL-5692 GE used/good 1949 (8.2/7.6ma)
(!!) (SINGLE) 5R4GYB RCA branded Westinghouse NOS 1962 (50/40 and 52/40)
800=VT-64 RCA Radiotron charcoal black plate engraved base used 1930's (42ma, Gm=2000)
(!) (microphonic single tube) E182CC=7119 Philips SQ Holland NOS "O" getter halo 1963 (39.0ma/39.2ma)
5AN8 RCA NOS 1950's (88/60 and 87/60)
