Radios antiguas y Radios de Colección
DL9_deForest
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País:
Estados Unidos
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Marca:
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DeForest-Tubes |
| Tipo: |
Triode, vacuum Texto |
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Ca. 1925 up to 1945 rare. |
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| Idéntica a |
DL9_deForest
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| Válvulas similares |
Substituya normalmente -diferencia peq.:
TB04/10
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| Primera serie |
1927
??
Saga of the Vacuum Tube, Tyne Seite 301
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| Fuente principal
(es) |
Aug.1930 : Philips Bulletin R1164, p. 32
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| Base |
UX-Base (4 Pins (2 thick, USA 1924)
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| Usada en |
Transmittertube (Radio) |
| Filamento |
Vf 7.5 Volt / If 1.6 Ampere / Direct / Battery = |
| Descripción |
2 watt transmitting tube with plate voltage 500. Fitted with "Isolantite" base (a type of ceramic). The tube had a spherical bulb shape. First made 1927 and discontinued 1928 with the introduction of the RCA UX210 tube.
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Dimensiones
(Alt,Ancho,Prof.)
incl.pins/tip |
59 x 107 x mm / 2.32 x 4.21 x inch |
| Literatura |
- - Manufacturers Literature
-- Collector info (Sammler)
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DL9_deForest: Fin Stewart
Fin Stewart
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Just Qvigstad
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| Cumplimiento de datos |
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