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(!!!) (#1 56 National Union Pair) 56 National Union rebranded Western Electronics NOS 1940's (5.0ma and 5.2ma)
(!!!) (#1 56 National Union Pair) 56 National Union rebranded Western Electronics NOS 1940's (5.0ma and 5.2ma)
By Tube World
$ 24.99
1 pair) 56 National Union rebranded Western Electronics NOS 1940's
1 tube) 5.0ma Gm=1400
1 tube) 5.2ma Gm=1400
Matched on Amplitrex
Vplate=250V
Vgrid=-13.5V
Good Ma range = 4.5 - 5ma
Good Gm range = 1300-1400
(76=Type 56 with a 6.3V Filament and also is similar to type 37)
UX-5 pin socket
- Tube Audio Lab FF preamp
- Korneff preamp
See more: vacuum tube
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 (#1 56 National Union Pair) 56 National Union rebranded Western Electronics NOS 1940's (5.0ma and 5.2ma) "Pin It")