Antique radios, Old Time Radios
MR3
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Country:
Hungary
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| Identical to |
MR3
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| Similar
Tubes |
Differences not known by us:
MR3D
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| First Source
(s) |
Apr.1927 : Funk Bastler #14
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 3.5 Volts / If 0.06 Ampere / Direct / Battery = |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature Undated data sheet
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MR3: rtt
Anonymous 10 Collector
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Just Qvigstad
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MR3: Radio Amateur 1925
Gerhard Heigl
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2
Collection of
Collection of a member from CH |
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