• Country
• United States of America (USA)

• Manufacturer / Brand
• Olympic Radio & Television, Inc.; New York (NY)

• Year
• 1947

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 49866

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

• Number of Tubes
• 5

• Valves / Tubes
• 1LN5 1LA6 1LN5 1LH4 3Q5GT

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Line / Batteries (any type) / AC/DC 105-125/ 90 & 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

• from Radiomuseum.org
• Model: 7-526 - Olympic Radio & Television,

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

• Notes
• Selenium Rectifier.
  See also Sams Photofact Folders - Set 30, Folder 4720-21.

• External source of data
• Ernst Erb

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

• Circuit diagram reference
• Rider's Perpetual, Volume 16 = ca. 1948 and before

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

• Literature/Schematics (1)
• Beitman Radio Diagrams, Vol. 08, 1948

• Literature/Schematics (4)
• Photofact Folder, Howard W. SAMS (Set 30, Date 12/47, Folder 4720-21)

• Other Models

• Here you find 585 models, 270 with images and 533 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Olympic Radio & Television, Inc.; New York (NY)