(!!!!!) (Best Pair #1) 12BH7A Sylvania gray oval plates "O" getter halo NOS 1962 era (10.2/11.8ma and 9.0/11.5ma) (High Gm)
(!!!!!) (Best Pair) 10Y=VT-25 SYLVANIA NOS 1940's (25.0ma and 25.6ma) 1-3% matched (same Gm)
(!!!!!) (Best Pair) 10Y=VT-25 SYLVANIA NOS 1940's (28ma and 28ma) 1-3% matched
(!!!!!) (Best Pair) 10Y=VT-25 SYLVANIA NOS 1940's branded National 1962 (25.8ma and 26.4ma) 1-3% matched (same Gm)
(!!!!!) (Best Single) 12AY7 GE "GRAY BOX PLATES" and "D" getter NOS 1953 (3.3/3.1ma)
(!!!!) (Best Pair #2) 12BH7A Sylvania and Hammond gray oval plates "square=D" getter halo 1950's (7.6/8.8ma and 9/9ma)
(!!!!) (Best Single) 12BH7A GE ribbed plates NOS 1980 (10.0/10.2ma) 1-3% section balance
(!!!!) (Best Single) 12BH7A Sylvania rebranded GE black oval plates "U" getter NOS 1956 era (11.2/14ma)
(!!!!) (Best Value Pair) 6SN7GTA GE "U" getter halo - side getter - copper grid posts NOS 1953-1954 (6.6/6.0ma and 6.0/6.8ma)
(!!!!) (Best Value Pair) 6SN7GTA GE NOS "U" getter halo - side getter - copper grid posts 1953 (6.4/7.0ma and 7.0/6.4ma) 1-2% matched
(!!!!) (Good Value Pair) 6SN7GTA GE NOS "U" getter halo - side getter - copper grid posts 1953 (6.0/7.2ma and 6.0/7.2ma) 1-2% matched
(!!!!) (Good Value Single) 6SN7GTA GE "U" getter halo used/good 1952 (9.4/11.4ma)
(!!!!) (Good Value Single) 6SN7GTA GE "U" getter halo used/good 1954 (6.0/6.4ma)
(!!!!) (Good Value used pair) 6SN7GTB Sylvania chrome top black plates 1956 used/good (7.0/6.8ma and 6.6/6.6ma)
(!!!!) (microphonic single) 5687 Tungsol ribbed black plates "U" getter NOS 1952 (42/41.5ma) (1st series made)
(!!!!) (microphonic singles) JAN-5687WB Tungsol branded Raytheon black plates "U" getter NOS 1950's (5 in stock)
(!!!!) (Recommended pair 1954) 12BH7 Sylvania black oval plates "square=D" getter halo NOS and used/good 1954 (9/12.5ma and 9.8/11ma)
(!!!!) (Recommended Pair) 10=VT-25 SYLVANIA NOS 1940's (28.6ma and 29.6ma) (Same Gm)
(!!!!) (Recommended Pair) 6SN7GTA GE "U" getter halo - side getter - copper grid posts NOS 1951-1953 (7.0/7.8ma and 7.8/7.2ma) (close Gm)
(!!!!) (Recommended Pair) 6SN7GTA GE NOS "U" getter halo - side getter - copper grid posts 1952-1953 (6.6/7.8ma and 6.6/8.2ma) (close Gm) 1-3% matched
