• Year
  • 1950 ?
  • Category
  • Radio module post 1925 (not a part, not a key)
  • Radiomuseum.org ID
  • 87465
    • alternative name: National Toy Co.
    • Brand: Thrillbox

 Technical Specifications

  • Number of Tubes
  • 1
  • Valves / Tubes
  • 6AK6
  • from Radiomuseum.org
  • Model: Crystal Calibrator XCU - National Company; Cambridge &
  • Notes
  • plug-in crystal calibrator on sub-chassis, provides marker signals every 100 kHz and 1 MHz;
    matching the National HRO-50 receiver.
  • Price in first year of sale
  • 20.00 $
  • Circuit diagram reference
  • Rider's Perpetual, Volume 21, Copyright 1950
  • Author
  • Model page created by Martin Bösch. See "Data change" for further contributors.

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