Antique radios, Old Time Radios
3B4WA
Country:
United States of America (USA)
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Identical to |
3B4WA
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Similar
Tubes |
Other class quality (otherwise equal):
3B4
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Base |
Miniatur-7-Pin-Base B7G, USA 1940
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Filament |
Vf 2.5 Volts / If 0.165 Ampere / Direct |
Description |
RF beam power pentode for for battery operated portable equipment. 1.25W output power, up to 100MHz. The quick heating filament may be parallel connected to operate at 1.25V, 330mA. High-rel version of 3B4.
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Information source |
- - Manufacturers Literature
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3B4WA: ARRL Handbook 1972
Anonymous 10 Collector
More ...
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Just Qvigstad
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Collection of
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Forum contributions about this tube
3B4WA
Threads: 1 | Posts: 1
3B4WA
End of forum contributions about this tube
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