(!!!!!) (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 28.8ma) (same Gm) 1-3% matched
(!!!!!) (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 Value Single) 10 GE Radiotron used/good 1940's (27ma)
(!!!!) (Best Value Single) 10 Sylvania "engraved base" 1930's used/good (23ma)
(!!!!) (Recommended Pair) 10=VT-25 SYLVANIA NOS 1940's (28.6ma and 29.6ma) (Same Gm)
(!!!!) (Single) 10 Sylvania "engraved base" 1930's NOS (29ma)
(!!!) (PAIR) VT-25-A Sylvania NOS and like new 1940's (34ma and 38.2ma)
(!!!) (Recommended Pair) 10=VT-25 SYLVANIA NOS 1940's large getter flashing (27.0ma and 28.2ma) (Same Gm)
(!!) (Best Pair) 10Y=VT-25 SYLVANIA NOS 1940's (25.2ma and 26.2ma)
(!!) (single) 10=VT-25 SYLVANIA used/tests like new 1940's (26ma)
(!!) (single) 10Y=VT-25 SYLVANIA used/good 1940's (25.8ma)
10 Raytheon NOS 1940's (24ma)
10=VT-25 Sylvania branded Tungsol like new 1940's (26.2ma)
10=VT-25 Sylvania NOS 1940's (25ma)
