Antique radios, Old Time Radios
Bi/904
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Country:
Germany
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| Identical to |
Bi/904
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| Similar
Tubes |
Normally replaceable-slightly different:
BiII
; KT221S
Other class quality (otherwise equal):
REN904
Other base:
Bi
|
| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928
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| Filament |
Vf 4 Volts / If 1.1 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Probably a long-live-high reliable replacement of the standard REN904
Text in other
languages (may
differ)
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| Tube prices |
1 Tube prices (visible for members
only)
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Bi/904: JK Prüfkarte Röhrenprüfgerät W 18N
Jörg Kulbe
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Just Qvigstad
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Collection of
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