Antique radios, Old Time Radios
DCH21
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Country:
Europe
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| Identical to |
DCH21
|
| Similar
Tubes |
Different connections:
DCH31
Other base:
DCH21_9pin
|
| First year |
Mar.1940
Philips Bulletin
|
| First Source
(s) |
Jan.1941 : Tube leaflet collection E.Erb # D 78
Aug.1940 : Philips Archive
|
| Predecessor Tubes |
KCH1
DCH21_9pin
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|
Successor Tubes
|
1941
DCH25
DCH22
|
| Base |
Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vy)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 1.4 Volts / If 0.15 Ampere / Direct / Battery = |
| Tube prices |
2 Tube prices (visible for members
only)
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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DCH21: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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DCH21: Lorenz Empfänger-Röhren , 9. Auflage
Anonymous 54 Collector
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):9
Collection of
Collection of a member from D |
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