(!!!!!) (Recommended 5 Star Single) 5751 GE "5 Star" NOS gray plates triple mica "U" getter 1956 (2.1/2.2ma)
(!!!!!) (Recommended Pair - for Audio Aero) 6021=CV3986 Mullard UK Mitcham NOS 1969 (4.8/5.3ma and 4.8/5.0ma) (1-3% matched)
(!!!!!) (Recommended Pair) 12BH7A GE gray oval plates "O" getter 1965-1966 same build (10.0/10.2ma and 12/11ma)
(!!!!!) (Recommended Pair) 6C10 GE rebranded RCA NOS 1960's (Ampeg / Fender) (1.0ma/1.2ma/1.2ma) and (1.0ma/1.1ma/1.3ma)
(!!!!!) (Recommended Pair) 6C10 GE rebranded Westinghouse NOS 1970 era (Ampeg / Fender) (1.3ma/1.4ma/1.2ma) and (1.3ma/1.2ma/1.1ma)
(!!!!!) (Recommended Pair) JAN-12AT7WC GE gray plates NOS 1972-1979 (9.6/11.8ma and 8.6/12.4ma)
(!!!!!) (Recommended Pair) JAN-CTL6SL7WGT Tungsol NOS brown base gray ribbed plates 1961-1965 (2.1/2.2ma and 2.1/2.3ma) (low noise - very smooth sound) (phono grade)
(!!!!!) (Recommended Single) ECC83=12AX7 Telefunken Germany smooth plates NOS 1963 (1.0/1.3ma and Gm=1500/1700)
(!!!!!) (Recommended Single) 12AX7 BRIMAR BVA England NOS narrow ribbed plates NOS 1960 (1.4/1.5ma) (Highest mA and Gm)
(!!!!) (BEST PAIR) 408A Western Electric NOS 1953 and 1958 (97/60 and 96/60)
(!!!!) (Recommended Pair) E80CC=6085 Philips Holland branded CEI gold pins NOS 1966 (5.3/6.7ma and 5.4/7.0ma) (close Gm)
(!!!!) (Best Single) CV181=ECC32 Mullard black base black plates NOS 1950's (6.6/6.3ma)
(!!!!) (Recommended Single) CV181=ECC32 Mullard black base black plates used/tests like new 1950's (6.4/6.5ma)
(!!!!) (Best Pair) CV4004=12AX7 Mullard UK box plates NOS 1971-1972 (1.1/1.2ma and 1.3/1.1ma)
(!!!!) (Recommended Single) Z729=EF86 GEC UK NOS "O" getter halo 1960's (2.5ma)
(!!!!) (3rd Best Pair) 27 Philco by Sylvania NOS 1940's (5.9ma and 5.9ma) 1% matched
(!!!!) (Best Pair) 6N7 GE metal can NOS 1954-1955 (3.3/3.1ma and 3.1/3.1ma) 1-2% matched
(!!!!) (2nd Best RCA Single) 6C10 RCA branded Westinghouse NOS 1971 (Ampeg / Fender) (1.0ma/2.1ma/1.6ma) (Strongest Single)
(!!!!) (Best 6922 Single) USN-CEP-6922 Amperex USA NOS 1964 pins #7-#8 gently cleaned of oxidation (18.5ma/20.2ma) (Best American Made 6922)
(!!!!) (Single) 6DJ8 Philips Holland low hours/like new 1967 (13.6/14.4ma) (sonically the same as Bugle Boy)
