• Country
• United States of America (USA)

• Manufacturer / Brand
• National Company; Cambridge & Malden (MA)

• Year
• 1959 ?

• Category
• Radio module post 1925 (not a part, not a key)

• Radiomuseum.org ID
• 89559

• • alternative name: National Toy Co.
  • Brand: Thrillbox

• Number of Tubes
• 1

• Valves / Tubes
• 6AU6

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: XCU-400 - National Company; Cambridge &

• Shape
• Chassis only or for «building in»

• Notes
• crystal calibrator providing 100 kHz and 1 MHz calibrating signals, can be aligned using WWV 10 MHz signal;
  matching the NC-400 receiver;
  subchassis plugs into accessory tube socket.

• Source of data
• Shortwave Receivers - Past & Present (3rd ed.)

• Author
• Model page created by Martin Bösch. See "Data change" for further contributors.

• Other Models

• Here you find 446 models, 285 with images and 189 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from National Company; Cambridge & Malden (MA)