Antique radios, Old Time Radios
Dn2004
|
Country:
Netherlands
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| Identical to |
Dn2004
|
| Similar
Tubes |
Normally replaceable-slightly different:
AS4100
; E442
; RENS1204
|
| First Source
(s) |
1930 : Radio-Expres, Netherlands
|
| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fc)
Top contact screw type.
|
| Filament |
Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Gm=1.2 at Va=200. Amplification factor 200 Rinternal=167k. (Radio-Expres 1930)
|
Dimensions (WHD)
incl. pins / tip |
44 x 123 x 32 mm / 1.73 x 4.84 x 1.26 inch |
| Weight |
35 g / 1.23 oz |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
Radio-Expres, Netherlands
- - Manufacturers Literature
|
|
Dn2004: rtt
Anonymous 10 Collector
More ...
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Just Qvigstad
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Dn2004: own collection
Peter den Boer
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Collection of
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