Radios antiguas y Radios de Colección
L409
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País:
Holanda
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| Idéntica a |
L409
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| Válvulas similares |
Substituya normalmente -diferencia peq.:
A2004
; A442
; B442
; RES094
; S407
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Er)
Top contact screw type.
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| Filamento |
Vf 4 Volt / If 0.1 Ampere / Direct / Battery = |
| Descripción |
It is claimed that the L409 can be used for HF, LF, MF amplification and as a detector, resistor coupling.
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Dimensiones
(Alt,Ancho,Prof.)
incl.pins/tip |
45 x 128 x 34 mm / 1.77 x 5.04 x 1.34 inch |
| Peso |
48 g / 1.69 oz |
| Literatura |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature 1935
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L409: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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L409: own collection
Peter den Boer
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Colección personal de
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| Cumplimiento de datos |
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