Antique radios, Old Time Radios
4HA5
Base |
Miniatur-7-Pin-Base B7G, USA 1940
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Filament |
Vf 4 Volts / If 0.3 Ampere / Indirect / Specified current AC/DC ~ = (Series working) |
Tube prices |
1 Tube prices (visible for members
only)
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Information source |
Essential Characteristics, GE 1973
Röhren-Taschen-Tabelle, (Franzis RTT)
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4HA5: RTT Schwandt
Günther Stabe † 19.8.20
More ...
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Just Qvigstad
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4HA5: RCA Tube Manual
Peter Hoddow
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Collection of
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