(!!!!) (Good Value Pair) 12BH7A GE NOS gray oval plates "o" getter halo 1961-1965 (7.2/6.6ma and 8.4/6.8ma)
(!!!!) (Good Value Pair) 12BH7A RCA gray plates NOS and like new 1970's (10.6/11.0ma and 12.0/10.0ma) (close Gm) (Art Audio, Manley Mac, VTL)
(!!!!) (Good Value Pair) 12BH7A Sylvania NOS 1960's (9.6/14ma and 10.5/15.4ma)
(!!!!) (Single 1950's) 12BH7A RCA branded Westinghouse narrow black plates NOS "U" getter mid-1950's (10/7.8ma) (1st series made)
(!!!!) (Single 1960) 12BH7A RCA "D" getter like new 1960 (9.4/8.8ma) (same Gm)
(!!!) (BEST EM87) EM87 Valvo Germany branded Telefunken Germany NOS 1961 (2 in stock)
(!!!) (Best Mullard Single) ECF80=6BL8 IEC Mullard UK NOS 1966 (16ma/12ma) (Highest mA and Gm)
(!!!) (Best Sylvania Pair) 12BH7A Sylvania NOS pinched plates 1970 (11/9ma and 10/11ma) (Art Audio, Quicksilver, Rogue, Universal Audio)
(!!!) (Best Value Pair) 6BL8 Motorola Golden JAPAN by Toshiba "Premium Rated" NOS 1974 (1 pair)
(!!!) (Good Value) 12AX7A RCA gray ribbed plates "O" getter halo NOS 1973 (1.0/0.9mA and Gm=1400/1550)
(!!!) (Good Value) 12AX7A RCA gray ribbed plates "O" getter halo NOS 1974 (0.8/1.0mA and Gm=1350/1550) (Fender, McIntosh)
(!!!) (Recommended Pair) 12AZ7A GE Admiral black plates NOS 1960 (10/9ma and 9.2/10.5ma) (McIntosh MC275)
(!!!) (Recommended Pair) 12AZ7A GE gray plates NOS 1969-1970 (8.2/8.0ma and 8.7/8.8ma) (McIntosh MC275)
(!!!) (Recommended Pair) 12AZ7A RCA black plates NOS 1970's (8.6/9.6ma and 7.6/9.2ma) (McIntosh MC275)
(!!!) (Recommended Pair) 12AZ7A Sylvania black plates NOS 1960's same build (8.2/9.8ma and 8.4/9.8ma))
(!!!) (Recommended Single) 12AX7A RCA gray ribbed plates NOS 1971 (Gm=1600/1800 and 1.2/1.4ma)
(!!!) (Recommended Single) 12BH7A Westinghouse black ribbed plates "U" getter halo 1961 (8.5/10ma)
(!!!) (Recommended Single) EF94=6AU6 IEC Mullard England NOS 1963 (5.5ma)
(!!!) (Recommended Single) EF94=6AU6 Mullard England NOS 1963 (6.5ma)
