Antique radios, Old Time Radios
W306_Marathon
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Country:
Netherlands
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| Identical to |
W306_Marathon
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| Similar
Tubes |
Normally replaceable-slightly different:
F704
; T730
|
| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Filament |
Vf 7.5 Volts / If 1.25 Ampere / Direct / Specified voltage AC/DC |
| Description |
There is an error in tha datasheet of this tube where is stated that it has a B5 base. This tube (other brochures) has a B4 base and the tube is heated direct.
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| Information source |
- - Manufacturers Literature 1935
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W306_Marathon: rtt
Anonymous 10 Collector
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Just Qvigstad
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W306_Marathon: own collection
Peter den Boer
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| Data Compliance |
More Information |
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