• Country
• United States of America (USA)

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

• Year
• 1936–1938 ?

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

• Radiomuseum.org ID
• 49583

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

• Number of Tubes
• 12

• Valves / Tubes
• 6K7 6J7 6K7 6K7 6K7 6C5 6J7 6J7 6E5 6F6 6F6 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
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch

• Power out
• 10 W (unknown quality)

• Material
• Metal case

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

• Shape
• Tablemodel, with any shape - general.

• Notes
• coverage 540 kHz - 30 MHz, AM, CW (BFO);
  micrometer dial, switchable coil sets, tuning eye, integrated crystal filter with selectivity and phasing control;
  comes with 10" speaker with chassis but no cabinet, optional RRA rack mounting brackets, optional DCS matching speaker cabinet.

• Price in first year of sale
• 212.00 $

• External source of data
• Ernst Erb

• Source of data
• Communications Receivers

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

• 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)