(!!!) (Best Value Single) 5814A GE 5 STAR "O" getter NOS 1960's faded printing (9.6/11.8ma)
(!!!) (Best Value Single) CV4003=12AU7 RFT East Germany NOS 1974 (12.2/12.8ma)
(!!!) (Best Value Single) CV4003=M8136=12AU7 Mullard UK NOS large "O" getter halo 1962 dirt was over entire tube (10.6/11.0ma)
(!!!) (Best Value Single) ECC82=12AU7 Mullard UK NOS 1973 (11.8/10.5ma)
(!!!) (Best Value Single) ECC82=12AU7 Philips Holland branded SONOTONE NOS 1960 (10.0/9.2ma)
(!!!) (Best Value Single) ECC82=12AU7 Philips Miniwatt Holland ribbed plates used/like new 1963 (9.4/9.8ma)
(!!!) (Best Value used) 12AU7=ECC82 Mullard UK branded Philips Miniwatt ribbed plates used/good 1962 (8.2/10.4ma)
(!!!) (Good Value Pair) 12AU7A RCA clear top used/good 1960's (7.5/9.6ma and 7.5/9.2ma)
(!!!) (Good Value Pair) 12AU7A RCA clear top used/good 1960's (8/10ma and 8/9.5ma)
(!!!) (Good Value Single) JAN-6189=12AU7WA Sylvania NOS 1960 era in white box (8.6/10ma)
(!!!) (Good Value) JG-5814A GE triple mica "U" getter halo like new 1955 in white box (8.8/9.6ma)
(!!!) (Recommended Black Plates) 12AU7A Westinghouse black plates 1960 era rebranded United 1981 "D" getter halo (8.4/9.8ma) (similar to RCA black plates)
(!!!) (Recommended Pair) 12AU7A GE NOS 1965-1975 (8.8/8.8ma and 9.2/8.8ma) (Same Gm) (smooth and warm)
(!!!) (Recommended Single 1957) 12AU7A Sylvania gray pinched plates "D" getter halo NOS 1957 (8.3/9.0ma)
(!!!) (Recommended Single 1957) 12AU7A Sylvania gray pinched plates "D" getter halo NOS 1957 (9.2/10.2ma)
(!!!) (Recommended Single) 12AU7A GE NOS 1963 (8.6/9.5ma)
(!!!) (Recommended Single) 12AU7A RCA clear top NOS 1969 (8.4/8.2ma)
(!!!) (Recommended Single) 12AU7A RCA clear top used/like new "D" getter halo 1960's (9.0/10.8ma)
(!!!) (Recommended Single) 5814A GE "5 STAR" with "O" getter halo 1963 (10/14ma)
(!!!) (Recommended Single) CV491=12AU7=ECC82 Brimar England NOS ribbed plates 1974 (9.4/9.2ma)
