• Year
  • 1928/1929 ?
  • Category
  • Power supply/conditioner or battery or charger 
  • Radiomuseum.org ID
  • 43688

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

 Technical Specifications

  • Number of Tubes
  • 1
  • Valves / Tubes
  • 80
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 90-130 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • from Radiomuseum.org
  • Model: Majestic Power Pack 7P6 - Grigsby-Grunow -Hinds Co.
  • Notes
  • Power Pack for the Majestic "70" series. 60Hz
  • External source of data
  • Ernst Erb
  • Source of data
  • - - Manufacturers Literature
  • Circuit diagram reference
  • Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

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