Antique radios, Old Time Radios
DDPP39M
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Country:
Hungary
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| Identical to |
DDPP39M
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| Similar
Tubes |
Different connections:
DDPP39
Other base:
DDPP39S
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| Base |
British-7-Pin, old (M7A) (Codex=Nb)
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 35 Volts / If 0.2 Ampere / Indirect / Specified current AC/DC ~ = (Series working) |
| Description |
Codex is incorrect. 0,2A 35V not 0,3A, 39V. (British Tungsram 1938 data, Babani and WW.)
Anode-cathode connections inter-changed relative to DDPP39
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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DDPP39M: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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DDPP39M: My schematic collection.
Pier Antonio Aluffi
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| Data Compliance |
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