- Country
- United States of America (USA)
- Manufacturer / Brand
- National Company; Cambridge & Malden (MA)
- Year
- 1951/1952
- Category
- Amateur-Receiver (amateur bands, may include broadcast bands)
- Radiomuseum.org ID
- 83925
-
- alternative name: National Toy Co.
- Brand: Thrillbox
- Number of Tubes
- 15
- Main principle
- Superhet with RF-stage; ZF/IF 455 kHz
- Wave bands
- Broadcast, Long Wave and more than two Short Wave bands.
- Power type and voltage
- Alternating Current supply (AC) / 110-120 / 220-240 Volt
- Loudspeaker
- - For headphones or amp.
- Power out
- 8 W (unknown quality)
- Material
- Metal case
- from Radiomuseum.org
- Model: HRO-50-T1 - National Company; Cambridge &
- Shape
- Boatanchor (heavy military or commercial set >20 kg).
- Dimensions (WHD)
- 19.75 x 10.25 x 16.5 inch / 502 x 260 x 419 mm
- Notes
- coverage 0,05 - 30 MHz (9 coil sets 50-100 / 100-200 / 180-430 / 480-960 / 900-2050 kHz / 1,7-4 / 3,5-7,3 / 7-14,4 / 14-30 MHz, bandspread in HAM bands), AM/CW/SSB (BFO);
internal power supply, optional external speaker HRO-50TS, optional crystal calibrator XCU, optional narrow band-FM adaptor NFM-50, optional 650S 6V-vibrator pack and SOJ-3 select-o-ject.
- Net weight (2.2 lb = 1 kg)
- 43 kg / 94 lb 11.4 oz (94.714 lb)
- Price in first year of sale
- 335.00 $
- Source of data
- Communications Receivers
- Circuit diagram reference
- Rider's Perpetual, Volume 22, covering 1951
- Mentioned in
- Shortwave Receivers - Past & Present (3rd ed.)
- Author
- Model page created by a member from A. See "Data change" for further contributors.
- Other Models
-
Here you find 444 models, 282 with images and 182 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.
Museums
The model can be seen in the following museums.
Literature
The model is documented in the following literature.
Forum contributions about this model: National Company;: HRO-50-T1
Threads: 1 | Posts: 1
Voici le lien du manuel scanné et accessible à tous:
//oldradios.co.nz/manuals/national/hro50
Je peux vous envoyer la soixantaine de pages si vous voulez.
//oldradios.co.nz/manuals/national/hro50
Je peux vous envoyer la soixantaine de pages si vous voulez.
Attachments
- 01 (111 KB)
- 02 (62 KB)
- 03 (74 KB)
- 04 (79 KB)
- 05 (97 KB)
- cov1 (136 KB)
- 37 (81 KB)
- 40 (84 KB)
- 45bsch (131 KB)
Jerome Alaphilippe, 17.Jul.07