UY-224A RCA Balloon used/very good 1930's (41/25) (2.6ma Gm=900)
By Tube World
$ 11.99
1) UY-224A RCA Balloon used/very good 1930's
Amplitrex Data
2.6ma
GM=900
TV-7D/U = 41/25
See more: vacuum tube
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