Antique radios, Old Time Radios
1807
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Country:
Netherlands
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| Identical to |
1807
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| Similar
Tubes |
Normally replaceable-slightly different:
DW3_Mullard
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| First year |
1931
-- Original-techn. papers. Mentioned in Wireless World Dec.9th,1931, page 665
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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 4 Volts / If 2 Ampere / Direct |
| Information source |
- - Manufacturers Literature
Babani, International Radio Tube Encyclopaedia p. 258 & 259
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
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1807: Telefunken Werkstattbuch
Wolfgang Bauer
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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):13
Collection of
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