• Country
• United States of America (USA)

• Manufacturer / Brand
• Sonora Radio & Telev. Corp.; Chicago (IL)

• Year
• 1945/1946

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 74053

• • alternative name: Sonora Electric Phono

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

• Number of Tubes
• 5

• Valves / Tubes
• 12SA7 12SK7 12SQ7 35L6GT 35Z5GT

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / 117 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: RBU-207 Ch= RB-207 - Sonora Radio & Telev. Corp.;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 11.25 x 8 x 6.25 inch / 286 x 203 x 159 mm

• Notes
• "Sonorascope" loop. Tunes 535-1620 kc.

• Net weight (2.2 lb = 1 kg)
• 2.7 kg / 5 lb 15.2 oz (5.947 lb)

• Source of data
• Collector's Guide to Antique Radios (5th edition)

• Mentioned in
• Beitman Radio Diagrams, Vol. 07, 1947

• Literature/Schematics (1)
• -- Original-techn. papers.

• Literature/Schematics (2)
• Radio Retailing (Radio & Television R.) (October 1945 page 117, January 1946 page 37, 143. June 1946 page 111.)

• Author
• Model page created by Arpad Roth † 27.3.17. See "Data change" for further contributors.

• Other Models

• Here you find 345 models, 207 with images and 259 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sonora Radio & Telev. Corp.; Chicago (IL)