(!!!!) (Best Pair) 201A Silvertone Balloon NOS and like new 1930 era (4.2ma and 5.0ma) (Highest mA and Gm)
(!!!!) (Best Pair) CX-301A Cunningham and UX-201A RCA Balloon NOS 1930 era (3.1ma and 3.5ma)
(!!!!) (BEST SINGLE) 201-A Silvertone Balloon NOS 1930 era (3.8ma and Gm=750)
(!!!!) (Good Value Pair) CX-301-A Cunningham used/good 1930 era (2.0ma and 2.0ma)
(!!!!) (Good Value Single) CX-301-A Cunningham used/good 1928 (2.6ma Gm=700)
(!!!) (PAIR) UX-201-A Radiotron Balloon used/good brass pins 1930's (2.3ma and Gm=700 x 2 tubes)
(!!!) 201A Silvertone Balloon NOS 1930 era (1.8ma and Gm=500)
(!!!) CX-301-A Cunningham NOS 1930 era (2.6ma Gm=800)
(!!) (Best Single) UX-201-A Radiotron Balloon used/tests like new brass pins 1930 era (4.4ma and Gm=800)
(!!) (Best Single) UX-201-A Radiotron Balloon used/tests like new brass pins 1930 era (4.8ma and Gm=800)
(!!) (BEST SINGLES) JAN-CRC-6U5 RCA NOS Tuning Eye 1952 bright eyes (4 in stock)
(!!) (Best Value) 6U5 RCA NOS Tuning Eye 1950's bright eye slightly tilted glass
(!!) 6U5 Tungsol NOS 1948 bright eye (1 in stock)
(!!) UX-201-A Radiotron Balloon used/good brass pins 1930's (2.6ma and Gm=700)
(!) 201A Aristocrat NOS 1930's (2.7ma and Gm=900)
01A Ken Rad NOS 1940's (3.4ma)
01A National Union NOS 1940's (3.1ma)
25L6G Arcturus 1940's used/good (62/45)
25L6G GE big bottle faded printing 1940's used/strong (70/45)
25L6G Tungsol 1940's used/good (77/60)
