Mighty Monarch Of The Air 7P420 Ch= 4705

• Country
• United States of America (USA)

• Manufacturer / Brand
• Majestic Radio & Television Co.,(post 1932)

• Year
• 1947

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 46693

• Picture
• Schematics

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

• Number of Tubes
• 7

• Valves / Tubes
• 1U4 1R5 1U4 1S5 3Q4 50B5 35W4

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Line / Batteries (any type)

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Mighty Monarch Of The Air 7P420 Ch= 4705 - Majestic Radio & Television Co

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes

• Elaborate three-part antenna system: 1. rod antenna, extendable, 2. loop antenna, removable; 3. “Wave Ranger” = reflector to increase the signal.

• External source of data
• Ernst Erb

• Source of data
• Collector's Guide to Antique Radios 4. Edition

• Circuit diagram reference
• Rider's Perpetual, Volume 18 = 1949 and before

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Literature/Schematics (4)
• Photofact Folder, Howard W. SAMS (Set 26, Date 10/47, Folder 4716-17)

• Other Models

• Here you find 410 models, 172 with images and 349 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Majestic Radio & Television Co.,(post 1932)