• Year
  • 1939
  • Category
  • Power supply/conditioner or battery or charger 
  • Radiomuseum.org ID
  • 49543
    • alternative name: National Toy Co.
    • Brand: Thrillbox

 Technical Specifications

  • Number of Tubes
  • 1
  • Valves / Tubes
  • 6X5
  • Wave bands
  • - without
  • Details
  • Power Supply (not only Batt.El.)
  • Power type and voltage
  • Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • from Radiomuseum.org
  • Model: 686 - National Company; Cambridge &
  • Notes
  • vibrator pack for 6V DC, uses mallory 626 vibrator and 6X5 (alt: 0Z4) rectifier;
    output power 165V DC (B+ voltage), 45 mA
    used to power HRO / HRO-5 series receivers
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 14 = 1944 = before 1943
  • Mentioned in
  • Rider's page 14-35, 36

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