Antique radios, Old Time Radios
31M11
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Country:
Poland
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| Identical to |
31M11
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| Similar
Tubes |
Normally replaceable-slightly different:
AL31-10
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| Base |
Duodecal (12-pin), B12A (not glass)
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| Was used by |
Military and/or Government |
| Filament |
Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC |
| Description |
Orange phosphor with very long persistence
15kV accelerator voltage
50° deflection angle
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Dimensions (WHD)
incl. pins / tip |
306 x x 477 mm / 12.05 x x 18.78 inch |
| Weight |
6000 g / 211.64 oz |
| Information source |
-- Original-techn. papers.
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31M11: Manufacturer's data
Tomasz Szczesniak
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Just Qvigstad
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| Data Compliance |
More Information |
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