6DQ6B Curtis Mathes hi-fi JAPAN used/good 1960's (60.5ma)
6DQ6B GE Amperex NOS 1972 (84ma)
6DQ6B GE Amperex NOS 1972 (94ma)
6DQ6B GE branded Amperex NOS/77% 1970 (58ma)
6DQ6B JAPAN NOS 1960's (64.5ma)
6DQ6B Raytheon JAPAN like new 1960's (60ma)
6DQ6B Sylvania branded RCA NOS (54ma)
6DR7 GE black plates NOS 1963 (1.5ma/57ma)
6DR7 GE branded Philco black plates NOS 1969 (2.0ma/38ma)
6DR7 Raytheon black plates NOS around 1960 (1.2ma/40ma)
6DR7 RCA NOS 1970's (1.6ma/51ma)
6DR7 RCA Rauland NOS 1961 (1.7ma/50ma)
6DR7 Sylvania black plates NOS 1970's (1.4ma/37ma)
6DR7 Sylvania branded GE black plates NOS 1977 (4.6ma/25ma)
6DS4 GE NOS 1967-1971 (1 pair)
6DS4 GE NOS 1970 (1 in stock)
6DS4 RCA NOS (1 in stock)
6DS5 NOS
6DT3=6DQ3 NOS
6DT5 US Brands NOS (4 in stock)
