• Country
• United States of America (USA)

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

• Year
• 1948

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 44396

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

• Number of Tubes
• 11

• Valves / Tubes
• 6SK7 6SA7 6SK7 6SQ7 6J5 6J5 6K6 6K6 6K6 6K6 5U4G

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Details
• Record Player (perh.Changer)

• Power type and voltage
• Alternating Current supply (AC) / 110-120 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 11.5 inch = 29.2 cm

• from Radiomuseum.org
• Model: C501 Ch= 108 - Hoffman Radio Corp.; Los

• Shape
• Console with any shape - in general

• Notes

• Identical to model A501, chassis 108S but two 6V6 tubes replaced by FOUR 6K6 tubes in parallel push-pull configuration.

  AC Operated Combination Phono-Radio, Multi-Band Superheterodyne Receiver

  with Loop Antenna

  AM: 540-1600kc   SW: 5.6-10.4mc and 9.4-19.4mc.

• External source of data
• Ernst Erb

• Source of data
• Collector's Guide to Antique Radios 4. Edition

• Circuit diagram reference
• Rider's Perpetual, Volume 20 covering 1950

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (4818-11 Set 48 Folder 11)

• 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