• Year
  • 1939
  • Category
  • Power supply/conditioner or battery or charger 
  • Radiomuseum.org ID
  • 49544
    • alternative name: National Toy Co.
    • Brand: Thrillbox

 Technical Specifications

  • Number of Tubes
  • 1
  • Valves / Tubes
  • 6X5
  • Power type and voltage
  • Storage and/or dry batteries / 6 Volt
  • from Radiomuseum.org
  • Model: 686S - National Company; Cambridge &
  • Notes
  • Vibrator pack for 6V DC, uses mallory 626 vibrator and 6X5 rectifier, improved circuitry (capacitors); 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 17 = 1948 and before

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