71A RCA Cunningham Radiotron used/tests like new 1936 (24ma)
By Tube World
$ 39.99
71A RCA Cunningham Radiotron used/tests like new 1936 engraved base
24ma
Gm=1800
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_8574dffa-2dca-432b-99ca-e61822b03d09.jpg?v=1696110770){kind=link}
 "Pin It")