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731U

731U; Herofon / Herophon (ID = 2074764) Radio 731U; Herofon / Herophon (ID = 2074765) Radio
731U; Herofon / Herophon (ID = 1770682) Radio 731U; Herofon / Herophon (ID = 1770683) Radio
731U; Herofon / Herophon (ID = 1770684) Radio
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731U; Herofon / Herophon (ID = 2074764) Radio
Herofon / Herophon: 731U [Radio] ID = 2074764 700x494
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For model 731U, Herofon / Herophon (brand of Hede Nielsen):
Catalog ca. 1951
 
Country:  Denmark
Manufacturer / Brand:  Herofon / Herophon (brand of Hede Nielsen)
alternative name
 
Hede Nielsen's Fabrikker A/S
Year: 1951 ?? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: UCH21 UCH21 UBL21 UY1N
Main principle Superheterodyne (common)
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast, Long Wave and Short Wave.
Details
Power type and voltage AC/DC-set / 220 Volt
Loudspeaker Permanent or electro-dynamic (moving coil), system not known yet.
Power out
from Radiomuseum.org Model: 731U - Herofon / Herophon brand of
Material Wooden case
Shape Tablemodel, low profile (big size).
Dimensions (WHD) 412 x 245 x 220 mm / 16.2 x 9.6 x 8.7 inch
Notes

Wavebands: SW 16 - 51 m, MW 185 - 550 m, LW 1000 - 2000 m.

Mentioned in -- Original prospect or advert
Literature/Schematics (1) -- Schematic

Model page created by Rui Sequeira-Seidl. See "Data change" for further contributors.



All listed radios etc. from Herofon / Herophon (brand of Hede Nielsen)
Here you find 50 models, 42 with images and 22 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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