• Country
• United States of America (USA)

• Manufacturer / Brand
• Sonata Electronics Corp.; Chicago (IL)

• Year
• 1946/1947

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 156890

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

• Number of Tubes
• 1

• Valves / Tubes
• 3S4

• Power type and voltage
• Storage and/or dry batteries / 1,5 & 90 Volt

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

• from Radiomuseum.org
• Model: Trela HW-301 - Sonata Electronics Corp.;

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

• Notes
• The Trela model HW-301 is an Battery Operated Portable Phonograph with One-Tube Amplifier and Speaker.

• Net weight (2.2 lb = 1 kg)
• 21 lb 0 oz (21 lb) / 9.534 kg

• Mentioned in
• Radio Retailing (Radio & Television R.) (November 1946 page 68.)

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date: Feb 1947, Set 14, Folder 474-28)

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 4 models, 3 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sonata Electronics Corp.; Chicago (IL)