• Country
• United States of America (USA)

• Manufacturer / Brand
• Crosley Radio Corp.; Cincinnati (OH)

• Year
• 1938

• Category
• Commercial Transmitter & Receiver (TRX not Amateur)

• Radiomuseum.org ID
• 36328

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 3

• Valves / Tubes
• 25A6G 6J7G 25A7G

• Number of Transistors

• Semiconductors
• W-43357

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• AC/DC-set / 117 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• from Radiomuseum.org
• Model: 417 Chattabox - Crosley Radio Corp.;

• Shape
• Tablemodel, with any shape - general.

• Notes
• Two way loud speaking communication system - transmitting a signal from Loudspeaker, who works by sending as a microphone, to another set by carrier frequency of 90 kHz over regular power-supply-lines.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 14 = 1944 = before 1943

• Other Models

• Here you find 1791 models, 1048 with images and 1282 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Crosley Radio Corp.; Cincinnati (OH)