Antique radios, Old Time Radios
VT25
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Country:
Great Britain (UK)
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Brand:
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| Tube type: |
Transmitting Triode, air cooled Power/Output |
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| Identical to |
VT25
= AT35
= CV1025
= 10E/7312
= DET25
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| Similar
Tubes |
Normally replaceable-slightly different:
4056A
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| Base |
L4 British large 4 pin (1922, LG4)
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 7.5 Volts / If 2.2 Ampere / Direct |
| Description |
Pa<36W. L4 Base. Filament current is specified to be within the range from 1 to 3A at 7.5V. 15MHz max operating frequency.
Known manufacturers are MOV and Mazda.
Babani Heater Data is incorrect (6V 1.28A)
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Dimensions (WHD)
incl. pins / tip |
57 x 160 x mm / 2.24 x 6.30 x inch |
| Weight |
136 g / 4.80 oz |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
Babani, International Radio Tube Encyclopaedia
-- Original-techn. papers.
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VT25: Manufacturer's Literature
Emilio Ciardiello
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Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3
Collection of
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