5670=2C51 GE black plates "D" getter halo used/good 1950's (7.2/8.0ma) (same Gm)
5876A Tungsol NOS 1968 (1 in stock)
5881 Tungsol like new - guide pin broken off - 1957 (68.2ma)
5881 Tungsol rebranded GE used/very good 1950's (74.5ma)
5AN8 Tungsol NOS sub for 6AN8 (108/60 and 82/60)
5AN8 Tungsol NOS sub for 6AN8 (93/60 and 90/60) best single
5AS4A GE branded Tungsol "D" getter halo 1960 era (63/40 and 68/40)
5AS4A Tungsol black plates NOS "D" getter halo 1950's (56/40 and 58/40)
5U4GB Channel Master Japan 1960 double "D" getter halos low hours/tests like new (65/40 and 68/40)
5U4GB RCA Motorola used/good 1962 (54/40 and 55/40)
5U4GB RCA used/good 1950's slightly tilted glass (55/40 and 56/40)
5U4GB RCA used/good 1968 (56/40 and 57/40)
5U4GB Tungsol used/good 1960 (51/40 and 60/40)
5Z3G Tungsol NOS 1940's (51/40 and 53/40)
6080WB Raytheon black plates NOS 1966 (95/120ma)
6146A GE NOS 1960's (82ma)
6146A GE NOS 1960's broken center guide pin (113ma)
6146A GE NOS 1965 (69ma)
6336A GE used/good 1960 era (74/79ma)
6336A RCA branded GE like new 1966 (88ma/110ma) ***
