Antique radios, Old Time Radios
2S
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Country:
United States of America (USA)
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Brand:
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| Tube type: |
Double Diode Detector |
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| Identical to |
2S
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| Similar
Tubes |
Normally replaceable-slightly different:
2S/4S
; S2_USA
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| Base |
UY-Base, 5 Pins (USA, April 1927) (Codex=H)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2.5 Volts / If 1.35 Ampere / Indirect / Specified voltage AND current AC/DC |
| Description |
The wshield on this tube is metallised paint. Replacement tubes made by Nqational Union, Raytheon and Sylvania utilise a sheet metal shield.
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Dimensions (WHD)
incl. pins / tip |
x 103 x 34 mm / x 4.06 x 1.34 inch |
| Weight |
38 g / 1.34 oz |
| Information source |
Babani, International Radio Tube Encyclopaedia p. 6 & 7
Universal Vade-Mecum, Electron Valves and Semiconductor Devices Section 18, p. 18
-- Collector info (Sammler)
Taschenbuch zum Röhren-Codex 1948/49
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2S: Internet
Miguel Angel Trujillo-Rodriguez
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2S: 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):11
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