(!) (#2 231D Best Value Pair) 231D Western Electric NOS 1953 (1.7/1.7ma)
(1 set of 10 tubes) 448A Western Electric "TIPPED TOP" used/good 75-85% with "D" getter 1965-1966
(DISPLAY TUBE) 216A Western Electric used 1920's
(DISPLAY TUBE) 350B Western Electric used 1967 (display tube - defective)
(DISPLAY) 242 Duovac USA brass base 1930's used but has high current will not run stable in amp - sold as display tube only
231D Western Electric NOS 1953 (1.6ma)
272A Western Electric "meshplate" used/good 1963 (5.0ma Gm=600)
272A Western Electric NOS "meshplate" (752=1947) slightly tilted plate with data sheet (6.7ma Gm=900)
291A Western Electric NOS 1972 (42/25)
291A Western Electric NOS 1972 (45/25)
291A Western Electric NOS around 1940 (1 pair)
310B Western Electric NOS (sold out)
313C Western Electric NOS (14 in stock)
313CA Western Electric NOS (6 in stock)
313CC Western Electric NOS (16 in stock)
394A Western Electric NOS
415A Western Electric NOS 1960 (1 in stock)
415A Western Electric NOS 1970-1981 (25 in stock) (similar to 6AS6)
437A Western Electric (sold out)
