Antique radios, Old Time Radios
1247
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Country:
United States of America (USA)
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|
| Identical to |
1247
|
| Base |
SPECIAL TUBEBASE in general
|
| Was used by |
Technology / Measurement |
| Filament |
Vf 0.7 Volts / If 0.065 Ampere / Direct |
| Description |
RF probe diode. 300V rms, 0.4ma DC plate current. T-3 subminiature envelope.
Text in other
languages (may
differ)
|
| Information source |
Tube Substitution Handbook
- - Manufacturers Literature
Tube Lore (I)
|
1247: Internet
Miguel Angel Trujillo-Rodriguez
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1247: KoBi
Konrad Birkner † 12.08.2014
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
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