6BZ6 Westinghouse by GE NOS 1967 (85/60)
6C4WA Sylvania NOS 1965 and 1971 (read review)
6C5 Ken Rad metal used/good 1940's (6.5ma)
6C5 Philco metal used/good 1952 (8.2ma)
6C5 RCA JAN NOS 1961 (8.2ma)
6C5 RCA metal used/very good 1964 (7.7ma)
6C5 RCA NOS 1946 (8.4ma)
6C5 RCA NOS 1951 (7.7ma)
6C5 Wards Airline by GE used/tests like new 1946 (9.0ma)
6C5G National Union used/good 1940 era (6.2ma)
6C5GT National Union NOS 1951 (7.8ma)
6C5GT Super Silvertone USA used/good 1940's (6.8ma)
6C5GT Sylvania NOS 1940's (7.8ma)
6C5GT Sylvania NOS 1948 (7.4ma)
6C6 Crosley by Sylvania tests like new 1952 small hairline crack in base (46/31)
6C6 Cunningham Radiotron used/good 1930's (42/31)
6C6 Philco NOS 1940's (10 in stock) ($9.99 each)
6C6 Raytheon used/tests like new 1930's hairline crack in base (2.1ma)
6C6 RCA like new 1953 (2.0ma)
6C6 RCA used/tests like new 1940's (48/31) (2.0ma)
