Catalogue de radios anciennes
7D21
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| Type: |
Transmitting Tetrode, air cooled Power/Output |
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| Identique à |
7D21
= 4F1-TR
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| Culot |
COAXIAL in general (X..)
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| Chauffage |
Vf 6.3 Volt / If 30 Ampère / Direct |
| Description |
Forced air cooled transmitting tetrode, capable of 1200W anode dissipation. Thoriated tungsten cathode. Can be used full ratings up to 110MHz.
General Electric and Fivre (Italy) known manufacturers.
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| Poids |
1700 g / 59.97 oz |
| Bibliographie |
- - Manufacturers Literature
Tube Lore (I)
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[rmxtube-fr, noindex]
| Mentions légales |
Plus d'informations |
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