(!!!) (Recommended Single) 127 Arcturus Blue Balloon used/good 1930 era in white box (4.3ma)
By Tube World
$ 44.99
1 tube) 127 Arcturus Blue Balloon used/good 1930 era in white box
4.3ma
Gm=800
Tested on Amplitrex
Vplate=250V
Vgriod=-21V
NOS Ma = 4-5ma
NOS Gm=800-900
See more: vacuum tube
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 (Recommended Single) 127 Arcturus Blue Balloon used/good 1930 era in white box (4.3ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/127b2.jpg?v=1571439275){kind=link}
 (Recommended Single) 127 Arcturus Blue Balloon used/good 1930 era in white box (4.3ma) "Pin It")