(!!) 26 RCA Radiotron balloon used/good 1920's (6.2mA Gm=900)
By Tube World
$ 29.99
26 RCA Radiotron balloon used/good 1920's
6.2mA
Gm=900
See more: vacuum tube
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 26 RCA Radiotron balloon used/good 1920's (6.2mA Gm=900)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_e203b02a-ef46-4408-8734-5c6c7c817345.jpg?v=1661961242){kind=link}
 26 RCA Radiotron balloon used/good 1920's (6.2mA Gm=900) "Pin It")