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451U; Herofon / Herophon (ID = 574075) Radio
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451U; Herofon / Herophon (ID = 1802324) Radio 451U; Herofon / Herophon (ID = 1802325) Radio
451U; Herofon / Herophon (ID = 2496478) Radio 451U; Herofon / Herophon (ID = 2496479) Radio
451U; Herofon / Herophon (ID = 2496480) Radio
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451U; Herofon / Herophon (ID = 1802323) Radio
Herofon / Herophon: 451U [Radio] ID = 1802323 1400x1138
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For model 451U, 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: 1951 ?? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: UCH42 UBF80 UL41 UY41
Main principle Superheterodyne (common); 2 AF stage(s)
Tuned circuits 6 AM circuit(s)
Wave bands Wave Bands given in the notes.
Power type and voltage AC/DC-set / 220 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out
from Model: 451U - Herofon / Herophon brand of
Notes 2 Wavebands. Option to fit 110v auto transformer internaly, for AC operation only.
Source of data -- Schematic

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.