Antique radios, Old Time Radios
3B4WA
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Country:
United States of America (USA)
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|
| Identical to |
3B4WA
|
| Similar
Tubes |
Other class quality (otherwise equal):
3B4
|
| 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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 |
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3B4WA: Meine Sammlung
Rudolf Osterkamp
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3B4WA: ARRL Handbook 1972
Michael Schlör
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from Just Qvigstad
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