Home
»
(!!!) (Best Pair #3) 448A Western Electric tipped top used/strong 1965 (30ma and 32ma) (Matched on Amplitrex)
(!!!) (Best Pair #3) 448A Western Electric tipped top used/strong 1965 (30ma and 32ma) (Matched on Amplitrex)
$ 119.99
1 pair) 448A Western Electric "tipped top" used/strong D getter halo 1965 in white boxes
1 tube) 30ma Gm=27,000
1 tube) 32ma Gm=28,700
Amplitrex Test Data:
Vplate=135V
Vscreen=135V
Vgrid=-2.5V
Good Ma range 18-25ma
Good Gm = 25,000
DIY pentode
See more: vacuum tube
Share:
 (Best Pair #3) 448A Western Electric tipped top used/strong 1965 (30ma and 32ma) (Matched on Amplitrex)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_32d33086-51df-491d-9d70-46e697b90219.jpg?v=1751813087){kind=link}
 (Best Pair #3) 448A Western Electric tipped top used/strong 1965 (30ma and 32ma) (Matched on Amplitrex) "Pin It")