Antique radios, Old Time Radios
2D21
| Base |
Miniatur-7-Pin-Base B7G, USA 1940 (Codex=Zk)
|
| Was used by |
Industrial |
| Filament |
Vf 6.3 Volts / If 0.6 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Va <1350 pk inverse, <400 rms. Ia <0.5 peak. 0.1 average. Requires heater warm-up time >10s.
Text in other
languages (may
differ)
|
Dimensions (WHD)
incl. pins / tip |
18 x 52 x mm / 0.71 x 2.05 x inch |
| Weight |
8 g / 0.28 oz |
| Tube prices |
3 Tube prices (visible for members
only)
|
| Information source |
Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature
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2D21: HP Archiv
Heinz Höger
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2D21: Telefunken Taschenbuch 1971
Anonymous 15 Collector
More ...
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Just Qvigstad
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2D21: Telefunken Taschenbuch 1971
Anonymous 15 Collector
More ...
|
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):24
Collection of
Collection of a member from FIN Collection of a member from D |
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