(!!!) (Best Pair) VT-174=3S4 Tungsol NOS 1943 (100/60 and 100/60)
(!) (- Best Value) JAN-5847A=404A Amperex USA NOS 1988 (23ma and 24ma)
(!) (1950's Single) 12AT7WA Sylvania black plates triple mica "D" getter used/good 1950's (6.2/7.0ma)
(!!!) (Recommended Pair 1940's) USN-CRC-6AC7 RCA 1942-1945 used/test like new (11.5/11.6ma)
(!) (slightly microphonic single) CV4004=12AX7 Mullard NOS 1981 (1.3/2.1ma)
(!!!) (BEST PAIR #2) ECC808=6KX8 Telefunken Diamond Bottom NOS 1969 (1.1/1.1ma and 1.1/1.4ma)
(!!!!) (Best Pair) 6EU7 RCA NOS 1967 (57-50/32 and 52/56/32)
(!) (BEST PRICE) 7E5=1201 US Brands NOS (4 tubes for $14.99)
(!) (Best RCA Pair) 6SG7 RCA metal can NOS 1961 (11.6/12.4ma)
(!) (SINGLE) 417A/5842 LM Ericsson Sweden NOS "O" getter halo 1960's (35ma and Gm=29,700)
(!) (Best Single) 6111 France NOS 1962 (7.6/8.2ma)
(!) (Best Single) 6111 France NOS 1962 (7.8/8.2ma) (best triode balance)
(!) (Best Single) 6111 France NOS 1962 (8.4/9.5ma)
(!) (BEST SINGLE) 6BA6 Brimar England NOS 1960's (10.8ma)
(!) (BEST SINGLE) 6BA6 SYlvania NOS 1960's (10.8ma)
(!) (BEST SINGLE) CV4009=6BA6W Brimar England NOS 1969 faded printing (11.5ma)
(!) (Best Single) ECF80=6BL8 Telefunken Germany <> bottom NOS 1961 slightly faded top getter (12.8/25ma) (highest Ma and Gm)
(!!!!) (Recommended Pair) 6SN7GTB RCA branded GE NOS 1966-1967 (10.4/10.6ma and 10.2/11.6ma) (smooth presentation)
(!) (Best Value Pair) ECC84=6CW7 Ultron East Germany by RFT 1970's 2-3% matched (9.6/11.6ma and 9.0/11.0ma)
(!) (GOOD VALUE PAIR) JAN-CRC-6AC7=VT-112 US Brands 1942-1946 used/good (6.2/6.4ma)