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BK-1; Radiofon- (ID = 411813) Radio BK-1; Radiofon- (ID = 2226857) Radio
BK-1; Radiofon- (ID = 2226858) Radio BK-1; Radiofon- (ID = 2226860) Radio
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BK-1; Radiofon- (ID = 411813) Radio
Radiofon-: BK-1 [Radio] ID = 411813 483x375
Select picture or schematic to display from thumbnails on the right and click for download.
For model BK-1, Radiofon-Radiofabrikk, A/S; Bergen
Country:  Norway
Manufacturer / Brand:  Radiofon-Radiofabrikk, A/S; Bergen
Year: 1949/1950 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: DK40 DF91 DAF91 DAF91 DL41 DL41
Main principle Superheterodyne (common); ZF/IF 470 kHz
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast, Long Wave and Short Wave.
Power type and voltage Dry Batteries / 1,5 & 90 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 16 cm = 6.3 inch
Power out
from Model: BK-1 - Radiofon-Radiofabrikk, A/S;
Material Leather / canvas / plastic - over other material
Shape Portable set > 8 inch (also usable without mains)
Dimensions (WHD) 370 x 280 x 160 mm / 14.6 x 11 x 6.3 inch
Price in first year of sale 352.00 NKr
Mentioned in Norwegian Historical Radio Society

Model page created by Ernst Rykkje. See "Data change" for further contributors.

All listed radios etc. from Radiofon-Radiofabrikk, A/S; Bergen
Here you find 11 models, 10 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.