• Country
• United States of America (USA)

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

• Year
• 1938 ?

• Category
• Commercial Receiver (may include amateur bands)

• Radiomuseum.org ID
• 18782

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

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

• Number of Tubes
• 4

• Valves / Tubes
• 954 955 6C5 6F6

• Main principle
• TRF with regeneration; 2 AF stage(s)

• Tuned circuits
• 2 AM circuit(s)

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Storage and/or dry batteries / 6 / 180 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: 1-10 - National Company; Cambridge &

• Shape
• Tablemodel, low profile (big size).

• Notes
• 6 and 180 volt batteries are needed for heater and B-supply. Price is 1938 for receiver and 6 sets of coils, without tubes, speaker or power supply. experimental receiver, covering VHF-UHF bands 27 - 290 MHz with 6 plug-in coils,
  optional power supply 5886AB

• Price in first year of sale
• 85.00 $

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

• Source of data
• -- Original prospect or advert

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

• 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)