• Country
• United States of America (USA)

• Manufacturer / Brand
• Hoffman Radio Corp.; Los Angeles, CA

• Year
• 1953 ??

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 44401

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

• Number of Tubes
• 6

• Valves / Tubes
• 12SJ7 12SQ7 12SQ7 35L6GT 6AB5 or 6N5 50Y6GT

• Main principle
• 4 AF stage(s)

• Wave bands
• - without

• Details
• Recording phonogr.-Disc Recorder

• Power type and voltage
• Alternating Current supply (AC) / 117 Volt

• Loudspeaker
• - For headphones or amp.

• from Radiomuseum.org
• Model: C710 Ch= 133 - Hoffman Radio Corp.; Los

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 21, Copyright 1950

• Other Models

• Here you find 927 models, 213 with images and 894 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hoffman Radio Corp.; Los Angeles, CA