(!) (#1 231D Best Value Pair) 231D Western Electric NOS 1954 (1.6/1.6ma)
(!) (#2 231D Best Value Pair) 231D Western Electric NOS 1953 (1.7/1.7ma)
(!) (Best Pair) 352A WE NOS 1964 original boxes (1 pair)
(!) (Best Single) 393A GE made for WE NOS 1940's original box, strong output (64/40)
(!) (Best Single) 407A Western Electric NOS 1962 (44/26 and 49/26)
(!) (Best Single) JAN-CBOP-705A Lewis and Kaufman NOS (64/40)
(!) (Best Single) JAN-CW-705A WE NOS 1940's
(!) (Display Tube) 101F Western Electric Tennis Ball engraved base 1930 era (no emission/filament lights) (DISPLAY TUBE)
(!) (Pair) 404A Western Electric used/good 1963-1966 (17.0ma and 17.2ma)
(!) (Pair) 404A Western Electric used/good 1963-1969 (16.5ma and 17.6ma)
(!) (Pair) 417A Western Electric used/good 1977 (12.2ma and 14ma)
(!) (SINGLE) 417A/5842 LM Ericsson Sweden NOS "O" getter halo 1960's (35ma and Gm=29,700)
(!) 244A Western Electric NOS 1952 smaller side getter (4.4ma)
(!) 404A Western Electric used/good (17ma)
(!) 417A/5842 LM Ericsson Sweden used/good "O" getter halo 1960's (19ma and Gm=23,900)
(!) 448A Western Electric smooth top used/good "D" getter halo 1963-1970 (1 pair: 35ma and 36.5ma) (Matched on Amplitrex)
(!) 448A Western Electric smooth top used/good 1965-1966 (1 pair: 19.2ma and 20.8ma) (Matched on Amplitrex)
(!) 448A Western Electric smooth top used/good 1971 (1 pair: 28ma and 29.4ma) (Matched on Amplitrex)
(!) 448A Western Electric smooth top used/strong 1965-1970 (1 pair: 37ma and 37.5ma) (Matched on Amplitrex)
(!) 448A Western Electric smooth top used/strong 1966-1970 (1 pair: 37ma and 40.5ma) (Matched on Amplitrex)