(!!!!) (Recommended Pair) JAN-12AT7WC Sylvania black plates NOS 1978 (8.0/8.4ma and 8.2/9.4ma)
(!!!!) (Recommended Pair) JAN-12AT7WC Sylvania black plates NOS 1978 (8.7/10.8ma and 8.4/10.6ma)
(!!!!) (Recommended Pair) JAN-12AT7WC Sylvania black plates NOS 1978-1979 (8.6/12.4ma and 9.0/11.8ma)
(!!!!) (Recommended Single 1955) 12AX7 BRIMAR England like new gray ribbed plates "D" getter 1955 (1.1/0.9ma) (Gm=1700/1500)
(!!!!) (Recommended Single 1957) 12AX7 BRIMAR England NOS gray ribbed plates "O" getter 1957 (1.3/1.2ma) (Gm=1700/1900)
(!!!!) (Recommended Single 1959) 12AX7 BRIMAR BVA England like new gray ribbed plates large "O" getter 1959 (1.1/1.0ma) (Gm=1500/1600)
(!!!!) (Recommended Single) 5692 RCA RED BASE black plates used/good 1953 (7/8ma) (Schiit Saga+)
(!!!!) (Recommended Single) 5751 GE 5-Star gray plates NOS 1964 (2.1/2.5ma)
(!!!!) (Recommended Single) 6L6GC RCA Simplex black plate low hours/ like new 1967 (61ma)
(!!!!) (Recommended Single) 7199 RCA black plates NOS 1960's (12ma pentode / 6.6ma triode)
(!!!!) (Recommended Single) 7199 RCA black plates NOS 1960's (19.5ma pentode / 8ma triode)
(!!!!) (Recommended Single) CV181=ECC32 Mullard black base black plates used/tests like new 1950's (6.4/6.5ma)
(!!!!) (Recommended Single) CV181=ECC32 Mullard black base gray plates like new 1950's (5.2/5.3ma) (close Gm)
(!!!!) (Recommended Single) JAN-5998 Tungsol black plates top and side getter NOS 1966 (91ma and 87ma) (Close Gm)
(!!!!) (Recommended Single) JG-5751WA GE NOS black plates triple mica D getter halo 1955 (2.1/2.5ma)
(!!!!) (Single) 6CG7 Tungsol used/good 1960 era black shield between plates (7ma/7ma)
(!!!!) (Slightlly microphonic single) JAN-CHS-12AU7 Sylvania "black plates" with "D" getter halo NOS 1951 (9.8/10ma)
(!!!) (3rd Best Pair) USN-12AT7WB=6201 GE gray plates "U" getter triple mica 1959 (9.2/7.2ma and 8.5/7.5ma) (BEST 6201)
(!!!) (Best GE Pair) 12AZ7A GE gray plates NOS 1970's (10.6/10.0ma and 11.2/9.8ma)
(!!!) (BEST PAIR) 7AF7 Sylvania NOS gray round plates NOS 1950-1958 (8.5/8.7ma and 9.2/9.2ma) 1-5% matched (same Gm)