• Country
• United States of America (USA)

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

• Year
• 1941

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 49887

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

• Number of Tubes
• 5

• Valves / Tubes
• 1R5 1T4 1H5GT 1T5GT 35Z5GT

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Line / Batteries (any type) / AC/DC 110 - 120 / 90 & 6 Volt

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

• from Radiomuseum.org
• Model: PT51 3-way portable - Olympic Radio & Television,

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

• Dimensions (WHD)
• 13.25 x 8.625 x 5.875 inch / 337 x 219 x 149 mm

• Price in first year of sale
• 29.95 $

• External source of data
• Ernst Erb

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

• Mentioned in
• Radio Retailing (Radio & Television R.) (August 1941.)

• Other Models

• Here you find 585 models, 269 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)