Antique radios, Old Time Radios
57S
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Country:
United States of America (USA)
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Brand:
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| Tube type: |
Vacuum Pentode RF/IF-Stage |
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| Identical to |
57S
= G-57-S
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| Similar
Tubes |
Other class quality (otherwise equal):
57
; NU-57
Different connections:
57_Coronet
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| Base |
6-Pin-Base U6A, old, USA (Codex=Kf)
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2.5 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC |
| Description |
The shield on this tube is metallised paint. Replacement tubes made by National Union, Raytheon and Sylvanis utilised a sheet metal shield.
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Dimensions (WHD)
incl. pins / tip |
x 123 x 39 mm / x 4.84 x 1.54 inch |
| Weight |
42 g / 1.48 oz |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
-- Collector info (Sammler)
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57S: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):9
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