• Country
• United States of America (USA)

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

• Year
• 1949

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 44391

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

• Number of Tubes
• 10

• Valves / Tubes
• 6BE6 7F8 6BA6 6BA6 6AL5 6AT6 6SN7 6K6GT 6K6GT 5U4G

• Main principle
• Superheterodyne (common); ZF/IF 455/10700 kHz; 3 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)     8 FM circuit(s)

• Wave bands
• Broadcast (BC) and FM or UHF.

• Details
• Record Player (perh.Changer)

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

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 10 inch = 25.4 cm

• Power out
• 10 W (unknown quality)

• from Radiomuseum.org
• Model: B-508 Ch= 129 - Hoffman Radio Corp.; Los

• Notes
• Push Pull-Output

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 18 = 1949 and before

• Literature/Schematics (1)
• Beitman Radio Diagrams, Vol. 09, 1949

• 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