(!!) (Single) 71A Tungsol NOS 1940's in white box (23.6ma)
$ 54.99
71A Tungsol NOS 1940's
1 tube) 23.6ma Gm=1800 Tungsol 1940's
Tested on Amplitrex
Vplate = 180V
Vgrid = -38V
Good Ma = 20ma
Good Gm = 1700
(71A=5V @ .25A Filament)
Typical Characteristics:
Vplate=135V, Vgrid=-27, Iplate=17.5ma, Rplate=1.82Kohms
Gm=1650, Mu=3, Rload=3Kohms, Pout=0.4watts
See more: vacuum tube
Share:
 (Single) 71A Tungsol NOS 1940's in white box (23.6ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_2dd3462d-9302-4ac4-89f9-2d19232c8561.jpg?v=1623470625){kind=link}
 (Single) 71A Tungsol NOS 1940's in white box (23.6ma) "Pin It")