(!!!!) (~ BEST SOUNDING QUAD ~) 12SN7GT Sylvania Honeywell chrome top NOS 1957 (1 set of 4)
(!!!) (#1 12SN7GTA Pair) 12SN7GTA GE side getter NOS 1963
(!!!) (Sweet Pair) 12SN7GT Sylvania Honeywell chrome top NOS 1957 1-2% matched
(!!) (#1 12SN7GT Sylvania single) 12SN7GT Sylvania Honeywell chrome top black plates NOS 1957 (8.8/9.6ma)
(!!) (Best Value Pair) 12SN7GT Sylvania Honeywell chrome top NOS 1957-1958
(!!) (~ Best Sounging Pair ~) 12SN7GT Sylvania Honeywell chrome top NOS 1959 1-2% matched
(!) (#1 12SX7GT Single) JAN-CLRV-12SX7GT GE Canada NOS 1961 "D" getter halo (7.5/8ma)
(!) (~ Best 12SX7GT Pair ~) JAN-CRC-12SX7GT RCA NOS 1955-1956 (8.6/10.0ma and 8.6/10ma)
12SN7GT CBS Hytron branded Motorola 1955, small crack in pin #1 that was resoldered (7.6/7.8ma)
12SN7GT Philco by Sylvania chrome top NOS 1956 (8.5/9.0ma) (high Ma and Gm)
12SN7GT RCA coated glass NOS 1950 (7.6/8.6ma)
12SN7GT RCA coated glass NOS 1950's (13.6/14.2ma) (Highest Ma and Gm)
12SN7GT Sylvania NOS 1960 (7.5/8.0ma)
12SN7GTA RCA NOS 1950's (8.2/9.2ma)
12SN7GTA RCA NOS 1960's (10/11ma)
