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(!!) (BEST CRYO PAIR) US Navy-CNU-1626 National Union Kuhl-Tube cryo-treated 1944 (30ma and 31ma)

(!!) (BEST CRYO PAIR) US Navy-CNU-1626 National Union Kuhl-Tube cryo-treated 1944 (30ma and 31ma)

$ 39.99

1 pair) JUS Navy-CNU-1626 National Union Kuhl-Tube cryo-treated 1944

1 tube) 30ma top mica slightly tilted

1 tube) 31ma

 

Vplate=150V, Vgrid=-10V, Good Iplate range 25-35ma

 

(1626=12.6V @ 250ma filament, Mu=5, Power=5 watts, introduced in 1943)

- Don Allen amp
- Cary

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