Crystal Ref. B
Kantou Denki; (where?)
- Country
- Japan
- Manufacturer / Brand
- Kantou Denki; (where?)
- Year
- 1928
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 99267
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 3
- Valves / Tubes
- UX-226_Japan UX-226_Japan KX-112A
- Number of Transistors
- Semiconductors
- unknown_diode
- Main principle
- TRF with diode detector; 2 AF stage(s); Reflex
- Tuned circuits
- 2 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Line / Storage batteries (perhaps also batteries) / AC: 100 / ? Volt
- Loudspeaker
- - This model requires external speaker(s).
- Power out
- 0.3 W (unknown quality)
- Material
- Wooden case
- from Radiomuseum.org
- Model: Crystal Ref. B - Kantou Denki; where?
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- 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).
- Literature/Schematics (1)
- -- Schematic (Katalog des NHK Broadcasting Museum, Tokio)
- Author
- Model page created by Berthold Bosch † 13.2.19. See "Data change" for further contributors.
- Other Models
-
Here you find 1 models, 1 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Kantou Denki; (where?)