• Year
  • 1951/1952
  • Category
  • Amateur-Receiver (amateur bands, may include broadcast bands)
  • Radiomuseum.org ID
  • 83925
    • alternative name: National Toy Co.
    • Brand: Thrillbox

 Technical Specifications

  • 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 $
  • Circuit diagram reference
  • Rider's Perpetual, Volume 22, covering 1951
  • Author
  • Model page created by a member from A. See "Data change" for further contributors.

 Collections | Museums | Literature

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

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.

Attachments

Jerome Alaphilippe, 17.Jul.07

Weitere Posts (1) zu diesem Thema.