• Country
• United States of America (USA)

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

• Year
• 1946/1947

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 49871

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

• Number of Tubes
• 6

• Valves / Tubes
• 12SA7 12SG7 12SQ7 12SQ7 35L6GT 35L6GT

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 3 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Details
• Changer (Record changer)

• Power type and voltage
• Alternating Current supply (AC) / 105 - 125 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: 7-622 - Olympic Radio & Television,

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Notes
• SELENIUM RECTIFIER 150 MILS. Ad Spring 1947 as new 1947 model, which indicates most probably that it was already sold in 1946 (season 1946/47, together with 7-412V).

• External source of data
• Ernst Erb

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

• Circuit diagram reference
• Rider's Perpetual, Volume 19 = 1949 and before

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

• Literature/Schematics (1)
• Beitman Radio Diagrams, Vol. 09, 1949

• Literature/Schematics (4)
• Photofact Folder, Howard W. SAMS (Set 34, Date 2/48, Folder 484-14)

• Other Models

• Here you find 594 models, 272 with images and 542 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)