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12AE6A Tungsol NOS 1950's (single)
12AE7 NOS (3 in stock)
12AF6 US Brands NOS (8 in stock)
12AF6 US Brands used/good (2 in stock)
12AH7GT US Brands NOS (8 in stock)
12AJ6 RCA branded CBS NOS 1960's (10 in stock)
12AM8 NOS (1 in stock)
12AT6 Various Brands NOS (4 in stock)
12AT7 East Germany branded "M" Mühlhausen NOS 1970's (7.2/7.6ma)
12AT7 Holland branded CBS Hytron NOS large "D" getter halo 1954 (8.4/10.0ma)
12AT7 RCA Black Plates "D" getter used/good mid-1950's
12AT7=ECC81 Haltron East Germany NOS 19740's (7.2/7.0ma) 1-2% section balance
12AT7 Siemens Halske Germany D getter NOS 1957 (6ma/8ma)
(!!) (Recommended Single) 12AT7=ECC81 Mullard shield logo NOS 1970 (8.0/8.4ma)
(!) 12AT7WA Raytheon NOS black plates - triple mica - O getter halo 1960's mis-matched triode sections (7/12ma)
12AT7WA=6201 GE NOS gray plates 1965 (7.8ma/10.6ma)
12AU6 Sylvania NOS 1960's (9.2ma)
12AU6 US Brands NOS (50 in stock)
12AU7=ECC82 Brimar branded Tronix tall narrow plates used/good 1960 (6.4/7.2ma)
(!!) (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)