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Crystal-Ref-B ; Kantou Denki (ID = 236798) Radio
Crystal-Ref-B ; Kantou Denki (ID = 227968) Radio
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Crystal-Ref-B ; Kantou Denki (ID = 227968) Radio
Kantou Denki: Crystal-Ref-B [Radio] ID = 227968 383x700
Select picture or schematic to display from thumbnails on the right and click for download.
For model Crystal-Ref-B, Kantou Denki
Country:  Japan
Manufacturer / Brand:  Kantou Denki
Year: 1928 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 3: UX-226_Japan UX-226_Japan KX-112A
Main principle TRF with diode detector; Reflex
Tuned circuits 2 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage Line / Batteries (any type)
Loudspeaker Horn
Power out 0.3 W (unknown quality)
from Model: Crystal-Ref-B - Kantou Denki
Material Wooden case
Shape Console, Lowboy (legs < 50 %).
Notes Netzgerät, das wahlweise auch mit Akku/Batterien betrieben werden konnte, als noch keine indirekt geheizten Röhren verfügbar waren. Demodulation deshalb mit Kristalldetektor. Erste Röhre in Reflexschaltung (HF und NF).
Mentioned in -- Collector info (Sammler)
Literature/Schematics (1) -- Schematic (Katalog des NHK Broadcasting Museum, Tokio)

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

All listed radios etc. from Kantou Denki
Here you find 1 models, 1 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.