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UX-201Aˇ
 
(!!!!) (Best Pair) 201A Silvertone Balloon NOS and like new 1930 era (4.2ma and 5.0ma) (Highest mA and Gm)

(!!!!) (Best Pair) 201A Silvertone Balloon NOS and like new 1930 era (4.2ma and 5.0ma) (Highest mA and Gm)

$ 99.99
(!!!) 201A Silvertone Balloon NOS 1930 era (1.8ma and Gm=500)

(!!!) 201A Silvertone Balloon NOS 1930 era (1.8ma and Gm=500)

$ 19.99
UX-201-A RCA Radiotron Balloon tests like new 1930's (read review)

UX-201-A RCA Radiotron Balloon tests like new 1930's (read review)

$ 0.00
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