Antique radios, Old Time Radios
4Q/230A
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Country:
Great Britain (UK)
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| Identical to |
4Q/230A
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 21 Volts / If 70 Ampere / Direct |
| Description |
Tungsten filament.
- Gain 300
- GM 4 mA/V
- 11 kV max anode voltage
- 2 kV max screen grid voltage
- 15 kW anode power with external water jacket
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| Information source |
- - Manufacturers Literature
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| Data Compliance |
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