- Country
- United States of America (USA)
- Manufacturer / Brand
- National Company; Cambridge & Malden (MA)
- Year
- 1947–1952 ?
- Category
- Amateur-Receiver (amateur bands, may include broadcast bands)
- Radiomuseum.org ID
- 86400
-
- alternative name: National Toy Co.
- Brand: Thrillbox
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 7
- Main principle
- Superheterodyne (common); ZF/IF 10700 kHz
- Wave bands
- Wave Bands given in the notes.
- Power type and voltage
- Powered by external power supply or a main unit. / 6 / 180 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- Material
- Metal case
- from Radiomuseum.org
- Model: HFS - National Company; Cambridge &
- Shape
- Tablemodel, with any shape - general.
- Dimensions (WHD)
- 16.5 x 8.75 x 8.5 inch / 419 x 222 x 216 mm
- Notes
- National HFS: experimental VHF-receiver covering 27 - 250 MHz (A: 178-250 MHz, B: 120-178 MHz, C: 80-120 MHz, D: 56-80 MHz, E: 41-60 MHz, F: 27-42 MHz with 6 plug-in coil sets); Modes AM, CW, FM;
powered by optional external power supply 5886AB or 6 volts vibrator pack 686S.
- Net weight (2.2 lb = 1 kg)
- 8.5 kg / 18 lb 11.6 oz (18.722 lb)
- Price in first year of sale
- 125.00 $
- Source of data
- Communications Receivers
- Literature/Schematics (1)
- Photofact Folder, Howard W. SAMS (Set #62 Folder 14 dated 5-49)
- Author
- Model page created by Martin Bösch. See "Data change" for further contributors.
- Other Models
Here you find 434 models, 281 with images and 172 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from National Company; Cambridge & Malden (MA)
Collections
The model is part of the collections of the following members.