• Country
• United States of America (USA)

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

• Year
• 1938

• Category
• Amateur-Receiver (amateur bands, may include broadcast bands)

• Radiomuseum.org ID
• 44552

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

• Number of Tubes
• 9

• Valves / Tubes
• 6K7 6K8G 6K7 6K7 6Q7G 6V6G 6J7G 6J7G 80

• Main principle
• Superhet with RF-stage; ZF/IF 465 kHz; 2 AF stage(s)

• Tuned circuits
• 10 AM circuit(s)

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 105-120 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: 440 Series 1,2 - Howard Radio Company; Chicago,

• Shape
• Tablemodel, with any shape - general.

• Notes
• Five bands covering 550 kHz to 36 MHz. Bandspread tuning, crystal filter, BFO, S-meter, AVC/MVC.

• External source of data
• Ernst Erb

• Source of data
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Circuit diagram reference
• Rider's Perpetual, Volume 10 = 1939 and before

• Other Models

• Here you find 354 models, 157 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