Antique radios, Old Time Radios
52
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Country:
United States of America (USA)
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Brand:
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| Tube type: |
Double Grid Power Amplifier Power/Output |
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Ca. 1925 up to 1945 very rare. *** |
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| Identical to |
52
= ER52
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| First year |
1932
-- Schematic American Bosch 224D dated schematic.
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| First Source
(s) |
1933 : -- Collector info (Sammler)
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| Base |
UY-Base, 5 Pins (USA, April 1927) (Codex=Ho)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 6.3 Volts / If 0.3 Ampere / Direct / Specified voltage AND current AC/DC |
| Description |
Made with a "4 pillar" element structure tube by Raytheon. Other US manufacturers made the tube. It was used as an output tube in car/automobile radios
Text in other
languages (may
differ)
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Dimensions (WHD)
incl. pins / tip |
x 119 x 45 mm / x 4.69 x 1.77 inch |
| Tube prices |
1 Tube prices (visible for members
only)
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
Babani, International Radio Tube Encyclopaedia Pages 24-25
-- Collector info (Sammler)
Tube Lore (II)
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52: ARRL Handbook 1972
Anonymous 10 Collector
More ...
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Just Qvigstad
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52: Raytheon Databook 1937
Emilio Ciardiello
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4
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