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(!!!) 56 National Union and Sylvania rebranded Western Electronics NOS 1940's (10 in stock) (BEST PRICE)

(!!!) 56 National Union and Sylvania rebranded Western Electronics NOS 1940's (10 in stock) (BEST PRICE)

$ 9.99

10) 56 National Union and Sylvania rebranded Western Electronics NOS 1940's 

unmatched

$9.99 each

 

 

Tested 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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