(!!!) (PAIR) VT-25-A Sylvania NOS and like new 1940's (34ma and 38.2ma)
$ 259.99
1 pair) VT-25-A Sylvania 1940's in white boxes
1 tube) 34mA Gm=2500 like new - dark brown base partially faded printing
1 tube) 38.2ma Gm=3100 NOS light brown base
Tested on Amplitrex
Good current range 20-30ma
Vplate=300V Vgrid=-15V
General Information
(Filament=7V @ 1.2A, Vplate=220V, Vgrid=-7V, Iplate=25ma, Mu=6, Rp=6Kohms)
(The VT-25 is built exactly the same as a VT-52, but the plate and grid are spaced differently yielding different Mu factors and plate resistance)
See more: vacuum tube
Share:
 (PAIR) VT-25-A Sylvania NOS and like new 1940's (34ma and 38.2ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_48ebf535-cfdc-4dff-b622-e7af68585be8.jpg?v=1727540528){kind=link}
 (PAIR) VT-25-A Sylvania NOS and like new 1940's (34ma and 38.2ma) "Pin It")