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452U; Herofon / Herophon (ID = 574058) Radio 452U; Herofon / Herophon (ID = 574063) Radio
452U; Herofon / Herophon (ID = 574060) Radio 452U; Herofon / Herophon (ID = 574059) Radio
452U; Herofon / Herophon (ID = 1627505) Radio 452U; Herofon / Herophon (ID = 1627506) Radio
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452U; Herofon / Herophon (ID = 574058) Radio
Herofon / Herophon: 452U [Radio] ID = 574058 933x605
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For model 452U, Herofon / Herophon (brand of Hede Nielsen)
Country:  Denmark
Manufacturer / Brand:  Herofon / Herophon (brand of Hede Nielsen)
alternative name
Hede Nielsen's Fabrikker A/S
Year: 1952 ?? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: UCH42 UBF80 UL41 UY41
schematic requested
Main principle Superheterodyne (common); 2 AF stage(s)
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast (MW) and Long Wave.
Power type and voltage AC/DC-set / 220 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4.5 inch = 11.4 cm
Power out
from Model: 452U - Herofon / Herophon brand of
Material Wooden case
Shape Tablemodel, Mantel/Midget/Compact up to 14" width, but not a Portable (See power data. Sometimes with handle but for mains only).
Dimensions (WHD) 12.5 x 8 x 7 inch / 318 x 203 x 178 mm
Source of data - - Data from my own collection

Model page created by Keith Staines. 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.