Radios antiguas y Radios de Colección
230D
País:
Estados Unidos
|
|
Idéntica a |
230D
|
Válvulas similares |
Other base and data slightly different:
UV199
; UX199
|
Primera serie |
1925
Saga of the Vacuum Tube, Tyne page 295, 297
|
Válvulas Sucesoras
|
D-94230
|
Base |
SPECIAL TUBEBASE in general
|
Filamento |
Vf 3.3 Volt / If 0.06 Ampere / Direct / Battery = |
Descripción |
Receiving triode, T8 bulb on four-prong base with locating pin and wired like UX-199. Mu = 8.5, Gm 0.38 to 0.56mS. Grid and filament spring supported by glass bead from top of plate. Developed for Northern Electric as improved UX-199.
|
Literatura |
Tube Lore (I)
|
|
230D: Fin Stewart
Fin Stewart
|
|
|
|
|
|
|
[rmxtube-en]
Cumplimiento de datos |
Más información |
|
|