Antique radios, Old Time Radios
DEM3
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Country:
Great Britain (UK)
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| Identical to |
DEM3
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| Similar
Tubes |
Other characteristic (electr. data):
DET3_GB
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| Base |
Wires only.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 12.5 Volts / If 3 Ampere / Direct |
| Description |
250W Power triode with thoriated tungsten filament.
Physically similar to the DET3 but with a more open grid winding and lower impedance suited for audio power and modulation purposes.
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| Information source |
-- Collector info (Sammler)
The Saga of Marconi Osram Valve
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