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NK-4; Aria Radio-Mitaka (ID = 2204430) Radio
NK-4; Aria Radio-Mitaka (ID = 234030) Radio NK-4; Aria Radio-Mitaka (ID = 229924) Radio
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NK-4; Aria Radio-Mitaka (ID = 234030) Radio
Aria Radio-Mitaka: NK-4 [Radio] ID = 234030 602x396
Select picture or schematic to display from thumbnails on the right and click for download.
For model NK-4, Aria Radio-Mitaka Denki Co. Ltd.;:
Dank an H. Yanai.
Country:  Japan
Manufacturer / Brand:  Aria Radio-Mitaka Denki Co. Ltd.;
Year: 1941 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: UZ-57 UY-56 UX-12A_Japan KX-12F
Main principle TRF (Tuned-Radio-Frequency but use of regeneration unknown)
Tuned circuits 1 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage Alternating Current supply (AC) / 100 Volt
Loudspeaker Magnetic loudspeaker (reed) of high quality (free mooving - only possible past 1931).
Power out 0.5 W (unknown quality)
from Model: NK-4 - Aria Radio-Mitaka Denki Co.
Material Wooden case
Shape Tablemodel, low profile (big size).
External source of data H. Yanai
Source of data -- Collector info (Sammler)

Model page created by Berthold Bosch † 13.2.19. See "Data change" for further contributors.

All listed radios etc. from Aria Radio-Mitaka Denki Co. Ltd.;
Here you find 2 models, 1 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.