• Country
• United States of America (USA)

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

• Year
• 1940 ??

• Category
• Military Receiver

• Radiomuseum.org ID
• 88503

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

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

• Number of Tubes
• 11

• Valves / Tubes
• 6K7 6K7 6J7 6J7 6K7 6K7 6C8G 6F8G 6J7 6F6G 80

• Main principle
• Superhet with RF-stage; ZF/IF 456 kHz

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 115 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: NC-120 RAO-2 - National Company; Cambridge &

• Shape
• Tablemodel, with any shape - general.

• Notes
• coverage 540 kHz - 30 MHz, AM, CW(BFO);
  militarized version of the NC-100XA receiver (referred as RAO-2) using a second RF-amplifier stage with special shielding for minimal external oscillator radiation according to Navy specifications, only one output tube.

• Source of data
• Communications Receivers

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

• Other Models

• Here you find 445 models, 284 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)