HFS
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National Company;: HFS [Amateur-R] ID = 203766 800x506
Select picture or schematic to display from thumbnails on the right and click for download.
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alternative name
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National Toy Co. | ||||
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Brand |
Thrillbox | ||||
| Year: 1947–1952 ? | Category: Amateur-Receiver (amateur bands, may include broadcast bands) | ||||
| Valves / Tubes | 7: 6AK5 9002 6SG7 6SK7 6J5 6V6GT 6J5 |
| Main principle | Superheterodyne (common); ZF/IF 10700 kHz |
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| Wave bands | Wave Bands given in the notes. |
| Details | |
| Power type and voltage | Powered by external power supply or a main unit. / 6 / 180 Volt |
| Loudspeaker | Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) |
| Power out | |
| from Radiomuseum.org | Model: HFS - National Company; Cambridge & |
| Material | Metal case |
| 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 |
Model page created by Martin Bösch. See "Data change" for further contributors.
All listed radios etc. from National Company; Cambridge & Malden (MA)
Here you find 430 models, 275 with images and 162 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
