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Concertone B RR-401

Concertone B RR-401; Mitsubishi Electric (ID = 736519) Radio Concertone B RR-401; Mitsubishi Electric (ID = 736520) Radio
Concertone B RR-401; Mitsubishi Electric (ID = 736521) Radio
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Concertone B RR-401; Mitsubishi Electric (ID = 736519) Radio
Mitsubishi Electric: Concertone B RR-401 [Radio] ID = 736519 387x436
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For model Concertone B RR-401, Mitsubishi Electric Corporation:
Front view of Concertone B
Country:  Japan
Manufacturer / Brand:  Mitsubishi Electric Corporation
Year: 1931/1932 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: UY-227_Japan UX-226_Japan KX-112B UX112A
Main principle TRF with regeneration
Wave bands Broadcast only (MW).
Power type and voltage Alternating Current supply (AC) / 100 Volt
Loudspeaker Magnetic loudspeaker (reed) generic.
Power out
from Model: Concertone B RR-401 - Mitsubishi Electric
Material Wooden case
Shape Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
Notes Mitsubishi started manufacturing of radio licensed from Westinghouse Co., Radio set was supplied as OEM by Tiger Battery Works and sold by Ryobi Denki Shokai Ltd. Mitsubishi named their radio set "Concertone" . In 1936, Mitsubishi Electric transferred the all rights of Concertone radio to Tiger Battery Works. Tiger battery Works changed their company name into Tiger Electric Co., They started original designed radio. Mitsubishi electric faded out from radio industry. They returned in 1946 as "Diatone" radio.
Source of data - - Data from my own collection

Model page created by Tadanobu Okabe. See "Data change" for further contributors.

All listed radios etc. from Mitsubishi Electric Corporation
Here you find 292 models, 230 with images and 87 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.