6L7 RCA metal can used/good 1940's (26/16)
6L7 RCA metal can used/like new 1940's (39/16)
6L7 RCA metal can used/like new 1940's (40/16)
6L7 Sylvania metal can NOS 1940's (40/16)
6L7=VT-87 RCA used/good 1940's some paint flaked off metal can (36/16)
6L7G Sylvania NOS (2 in stock)
6L7G Sylvania used/tests like new 1940's (38/16)
6N7 RCA metal can used/good (6 in stock)
6N7 RCA NOS 1956 (2.8/2.9ma)
6N7 RCA NOS 1973 (2.3/2.3ma)
6N7 Sylvania NOS 1940's (2.3/2.3ma)
6N7 Westinghouse Canada NOS 1950's (2.6/3.0ma)
6N7=VT-96 RCA used/test like new mid-1940's (3.1/3.2ma) 1-2% section balance
6N7=VT-96 RCA used/test like new mid-1940's (3.5/3.8ma)
6N7GT RCA branded GE NOS 1940's (2.8/2.9ma) (Highest Gm)
6N7GT RCA branded Philco NOS 1940's (2.7/2.9ma)
6N7GT RCA branded Sylvania NOS 1950's (2.5/2.6ma)
6N7GT RCA NOS 1940's (2.5/3.1ma)
6N7GT RCA used/good 1940's (2.4/2.3ma)
6R7 Sylvania metal used/like new 1940's (88/48)