Antique radios, Old Time Radios
SN4
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Country:
Austria
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| Identical to |
SN4
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| Similar
Tubes |
Normally replaceable-slightly different:
41MHF
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| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 0.9 Ampere / Indirect / Specified voltage AC/DC |
| Description |
This tube used as a detector, first stage for low frequency amplification. It was also available metal sprayed.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature 1931 tube data booklet
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SN4: Triotron Radio Röhrenbroschüre 1928
Thomas Lebeth
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Just Qvigstad
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SN4: Triotron Radio Röhrenbroschüre 1928
Thomas Lebeth
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
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| Data Compliance |
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