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(!!!!!) (Recommended Pair) 6V6GT Ken Rad coated glass NOS 1949 (39ma and 42ma)
(!!!!!) (Single) 6V6GT Ken Rad coated glass NOS 1940's (40.5ma)
(!!!!) (Best Overall Pair) 27 Philco by Sylvania NOS 1940's (7.0ma and 7.0ma) 1% matched
(!!!!) (Best Pair #3) 01A Cunningham NOS 1940 era boxes were factory sealed (3.4ma and 3.5ma) (same Gm)
(!!!!) (Best Pair #4) 01A Cunningham NOS 1940 era boxes were factory sealed (3.6ma and 3.4ma) (same Gm)
(!!!!) (Best Pair) 201A Silvertone Balloon NOS and like new 1930 era (4.2ma and 5.0ma) (Highest mA and Gm)
(!!!!) (Best Pair) 27 Philco by Sylvania NOS 1940's (6.3ma and 6.3ma) 1% matched
(!!!!) (BEST PAIR) 6V6GT=VT-107A National Union coated glass NOS 1943-1950 (46.2ma and 47.5ma)
(!!!!) (Best Pair) CX-301-A Cunningham used/good 1928-1930 era (2.6ma and 2.5ma) (same Gm)
(!!!!) (Best Pair) CX-301A Cunningham and UX-201A RCA Balloon NOS 1930 era (3.1ma and 3.5ma)
(!!!!) (BEST SINGLE) 201-A Silvertone Balloon NOS 1930 era (3.8ma and Gm=750)
(!!!!) (BEST SINGLE) UX-201-A RCA Radiotron Balloon NOS 1930 era (3.9ma and Gm=700)
(!!!!) (Best Value Quad) 56 National Union rebranded Western Electronics NOS 1940's (5.5/5.5/5.6/5.9ma) (matched quad)
(!!!!) (Good Value Pair) CX-301-A Cunningham used/good 1930 era (2.0ma and 2.0ma)
(!!!!) (Recommended Pair) 27 Philco by Sylvania NOS 1940's (6.0ma and 6.3ma)
(!!!!) (Recommended Pair) 27 Philco by Sylvania NOS 1940's (6.4ma and 6.7ma)
(!!!!) 76 RCA Cunningham used/good 1930's (4.8ma)
(!!!) (#1 56 National Union Pair) 56 National Union rebranded Western Electronics NOS 1940's (5.0ma and 5.2ma)
(!!!) (Best Pair) 1625 National Union NOS 1944 (90/40 x 2 tubes)
(!!!) (Best Pair) 1625=VT-136 National Union NOS 1943-1944 (87/40 and 90/40)
