• Country
• United States of America (USA)

• Manufacturer / Brand
• Howard Radio Company; Chicago, IL

• Year
• 1933

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 44716

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

• Number of Tubes
• 6

• Valves / Tubes
• 78 37 78 77 unknown_Tube 84

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz; 1 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 115 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: J-3 [Compact] - Howard Radio Company; Chicago,

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 3 = 1933 and before

• Mentioned in
• Machine Age to Jet Age II (page 158.)

• Other Models

• Here you find 354 models, 153 with images and 214 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Howard Radio Company; Chicago, IL