• Country
• United States of America (USA)

• Manufacturer / Brand
• Howard Radio Company; Chicago (IL)

• Year
• 1946

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 44645

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

• Number of Tubes
• 5

• Valves / Tubes
• 12SA7 12SK7 12SQ7 50L6 35Z5GT

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / 105 - 125 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 5 inch = 12.7 cm

• Power out
• 1.5 W (unknown quality)

• Material
• Bakelite case

• from Radiomuseum.org
• Model: 901AI - Howard Radio Company; Chicago

• Shape
• Tablemodel, with any shape - general.

• Notes
• Ivory painted Bakelite. Chassis 901A.

• External source of data
• Ernst Erb

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

• Circuit diagram reference
• Rider's Perpetual, Volume 15 = 1947 and before

• Mentioned in
• Beitman Radio Diagrams, Vol. 07, 1947

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 1, Folder 461-8)

• Other Models

• Here you find 354 models, 152 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)