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(!!!) (Best NU Pair) 56 National Union rebranded Western Electronics NOS 1940's (5.7ma and 5.9ma)
(!!!) (Best NU Pair) 56 National Union rebranded Western Electronics NOS 1940's (5.7ma and 5.9ma)
By Tube World
$ 29.99
1 pair) 56 National Union rebranded Western Electronics NOS 1940's
1 tube) 5.7ma Gm=1500
1 tube) 5.9ma Gm=1500
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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 (Best NU Pair) 56 National Union rebranded Western Electronics NOS 1940's (5.7ma and 5.9ma) "Pin It")