(!!) Y-227 Bosch Radio Tube Balloon used/good 1930 era rattle inside base (6.2ma)
$ 19.99
Y-227 Bosch Radio Tube Balloon used/good 1930 era rattle inside base from dried glue particles
6.2ma
Gm=900
Tested on Amplitrex
Vplate=250V
Vgriod=-21V
NOS Ma = 4.6-5ma
NOS Gm=900
See more: vacuum tube
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 Y-227 Bosch Radio Tube Balloon used/good 1930 era rattle inside base (6.2ma)&Category=vacuum tube&ImageURL=http://cdn.shopify.com/s/files/1/0333/7633/products/1_60819f99-2eb6-45de-8b42-64784afa5324.jpg?v=1585729578){kind=link}
 Y-227 Bosch Radio Tube Balloon used/good 1930 era rattle inside base (6.2ma) "Pin It")