(!!!) (Recommended Single) CV491=12AU7=ECC82 Brimar England NOS ribbed plates 1974 (9.4/9.2ma)
(!!!) (SINGLE) 5670 RCA NOS "O" getter triple mica 1960 era used/good (6.6/7.2ma)
(!!!) (Single) ECC85 Siemens Germany NOS 1962 (9.5/8.2ma)
(!!) (Best Single) JAN-5755 Raytheon Black Plates NOS 1971 (2.3/2.4ma) close triode balance
(!!) (Good Value Pair) 6021=CV3986 Mullard UK Mitcham plant NOS 1971 original boxes (4.8/6.3ma and 4.6/6.5ma)
(!!) (Recommended Single) 12AT7 Amperex by Mullard NOS 1966 (8.8ma/10.8ma)
(!!) (Recommended Single) E81CC=12AT7 Siemens Germany double mica NOS 1975 (11.6/13.6ma) (strong Ma and Gm)
(!!) (SINGLE) 5963=12AU7 RCA NOS 1965 (10.8/13.2ma)
(!!) 5963=12AU7 RCA NOS 1963 (9.2/9.6ma)
(!!) 5R4GYB RCA like new 1963 a few oxide filament flakes inside tube slightly tilted glass (50/40 and 52/40)
(!!) 6SN7GTB Sylvania used/75% 1960's (6.0/6.4ma)
(!) (SINGLE) 866A GE NOS 1971 (2 in stock)
(!) (SINGLE) 866A GE NOS 1971 (54/40)
(!) 6DJ8 Sylvania NOS 1971 (10.5/14.8ma)
(!) 6DJ8 Sylvania NOS 1972 (14/16ma)
(Display Tube) KT66 GEC 1960's (WEAK TUBE: LOW Ma and LOW GM) - for display purposes only
(Display Tube) KT66 GEC 1971 purple gas - for display purposes only
(READ REVIEW) JAN-7308 Amperex USA gold pins NOS 1977 (15.8/14.5ma and 15.2/15.4ma)
(SINGLE) 6021 European NOS 1974 (20 in stock)
12AT7=E81CC=6201 Siemens triple mica NOS 1971 (12/15.8ma)
