• Year
  • 1947–1949 ?
  • Category
  • Amateur-Receiver (amateur bands, may include broadcast bands)
  • Radiomuseum.org ID
  • 87464
    • alternative name: National Toy Co.
    • Brand: Thrillbox

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

 Technical Specifications

  • Number of Tubes
  • 12
  • Main principle
  • Superhet with RF-stage
  • Wave bands
  • Broadcast, Long Wave and more than two Short Wave bands.
  • Power type and voltage
  • Alternating Current supply (AC) / 115 / 230 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 inch = 25.4 cm
  • Power out
  • 1.5 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: HRO-7-C - National Company; Cambridge &
  • Shape
  • Rack
  • Dimensions (WHD)
  • 20.75 x 29 x 14.75 inch / 527 x 737 x 375 mm
  • Notes
  • HRO-7 receiver in cabinet rack with coil storage compartments, speaker and power supply
  • Price in first year of sale
  • 358.00 $
  • Author
  • Model page created by Martin Bösch. See "Data change" for further contributors.

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