• Country
• United States of America (USA)

• Manufacturer / Brand
• Concord Radio Corp.; Chicago

• Year
• 1949

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 35761

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

• Number of Tubes
• 7

• Valves / Tubes
• 1T4 1R5 1T4 1S5 3Q4 50B5 35W4

• 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)

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• from Radiomuseum.org
• Model: 7E71PR - Concord Radio Corp.; Chicago

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

• 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

• Other Models

• Here you find 63 models, 34 with images and 60 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Concord Radio Corp.; Chicago