Antique radios, Old Time Radios
3D22A
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Country:
United States of America (USA)
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| Identical to |
3D22A
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| Similar
Tubes |
Normally replaceable-slightly different:
3D22
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| Base |
7-Pin-Base U7G = Giant, old, USA
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 2.6 Volts / If 6.3 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Gas thyratron tetrode, short T16 bulb, giant 7 pin base. Tube has strengthend element mounting. 1350V PIV, 750mA.
National Electronics and RCA known manufacturers.
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| Information source |
Tube Lore (II) p. 86
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Just Qvigstad
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Collection of
Collection of a member from FIN |
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| Data Compliance |
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