Crystal Ref. B

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.

 Technical Specifications

  • Number of Tubes
  • 3
  • Number of Transistors
  • 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)

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