171A RCA Radiotron Balloon used/good 1932 (20ma)
$ 44.99
171A RCA Radiotron Balloon used/good 1932
20ma
Gm=1700
Tested on Amplitrex
Vplate=180V
Vgrid=-38V
Good Ma = 20ma
Good Gm = 1600-1700
See more: vacuum tube
Share:
&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_8f2bf64c-72ea-43eb-a1df-20641644e751.jpg?v=1761418443){kind=link}
 "Pin It")