• Country
• United States of America (USA)

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

• Year
• 1938–1945 ?

• Category
• Amateur-Receiver (amateur bands, may include broadcast bands)

• Radiomuseum.org ID
• 18783

• • 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 6J7 6J7 6K7 6K7 6C8G 6F8G 6J7 6F6G 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
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 10 inch = 25.4 cm

• Power out
• 10 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: NC-100A - National Company; Cambridge &

• Shape
• Tablemodel, with any shape - general.

• Price in first year of sale
• 200.00 $

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Communications Receivers

• Circuit diagram reference
• Die «Thali Schemasammlung» führt das Modell.

• Mentioned in
• Shortwave Receivers - Past & Present (3rd ed.)

• 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)