• Year
  • 1961 ?
  • Category
  • Radio module post 1925 (not a part, not a key)
  • Radiomuseum.org ID
  • 89016
    • alternative name: Heath Company

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

 Technical Specifications

  • Number of Tubes
  • 1
  • Valves / Tubes
  • 6BA6
  • Wave bands
  • Wave Bands given in the notes.
  • Power type and voltage
  • Powered by external power supply or a main unit.
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Crystal Calibrator HRA-10-1 - Heathkit Brand, Heath Co.;
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 2 x 2 x 3 inch / 51 x 51 x 76 mm
  • Notes
  • plug-in crystal calibrator on sub-chassis, provides marker signals every 100 kHz.
  • Net weight (2.2 lb = 1 kg)
  • 0.2 kg / 0 lb 7 oz (0.441 lb)
  • Price in first year of sale
  • 12.00 $
  • Literature/Schematics (1)
  • -- Schematic

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