(!) (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) 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)
(!!) (Single) E288CC=8223 Siemens Halske Germany rebranded Telefunken NOS 1970 (36.0/37.6ma)
(!) (GOOD VALUE PAIR) JAN-CRC-6AC7=VT-112 US Brands 1942-1946 used/good (6.2/6.4ma)
(!) (Good Value) 6SN7GTB CBS black base black plates side-getter NOS, the same shape as Sylvania 6SN7GTB 1960 (6.8/7.2ma)
(!) (PAIR) 6D6 RCA Cunningham used/good 1930's (62/40 and 62/40)
(!) (Recommended Pair) 12B4A Sylvania NOS 1960's (26ma and 27ma)
(!!!) (Best Pair) 12B4A GE NOS 1962-1977 same build (52ma and 53ma)
(!) (RECOMMENDED PAIR) 15EA7=13EM7 GE NOS 1970 era
(!) (Recommended Pair) 6AH6WA GE NOS 1980's (10/10.6ma)
(!) (Recommended Pair) 6AH6WA GE NOS 1980's (9.6/10ma)
