Radios antiguas y Radios de Colección
204A
| Base |
Pin-and-blade jumbo (3 contacts)
Top contact with a cap.
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| Usada en |
Transmittertube (Radio) |
| Filamento |
Vf 11 Volt / If 3.85 Ampere / Direct / Specified voltage AC/DC |
| Descripción |
Pa 250W convection cooled, mu 23; 3MHz full ratings, up to 30MHz with reduced ratings.
Blade and pins special base. The tube had to be mounted vertical, base up.
Manufactured by Cunningham, Federal, GE (as GL-204-A), RCA, Taylor, Westinghouse.
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Dimensiones
(Alt,Ancho,Prof.)
incl.pins/tip |
x 337 x 110 mm / x 13.27 x 4.33 inch |
| Peso |
1350 g / 47.62 oz |
| Literatura |
Saga of the Vacuum Tube, Tyne page 105, 106, 120
Babani, International Radio Tube Encyclopaedia and: Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature
Tube Lore (I)
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204A: ARRL Handbook 1972
Anónimo 10 Coleccionista
Mas ...
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Just Qvigstad
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204A: RCA de forest amateur 1934
Miguel Angel Trujillo-Rodriguez
Mas ...
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Colección personal de
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