Antique radios, Old Time Radios
5590
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| Tube type: |
Vacuum Pentode RF/IF-Stage |
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| Identical to |
5590
= 401A_Pentode
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| Base |
Miniatur-7-Pin-Base B7G, USA 1940 (Codex=Zio)
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| Filament |
Vf 6.3 Volts / If 0.15 Ampere / Indirect |
| Description |
Gm 2.09 to 2.2 mS. GE, Hytron and WE known manufacturers.
RMA registration for WE 401A.
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| Information source |
Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49
Tube Lore (I)
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5590: ARRL Handbook 1972
Anonymous 10 Collector
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Just Qvigstad
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5590: Manufacturer's Literature
Emilio Ciardiello
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