• Country
• United States of America (USA)

• Manufacturer / Brand
• Brunswick-Balke-Collender Co.

• Year
• 1930/1931

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 34727

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

• Number of Tubes
• 7

• Valves / Tubes
• 24 24 24 24 45 45 80

• Main principle
• TRF without regeneration; Screengrid 1926-1935

• Tuned circuits
• 4 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: 15 - Brunswick-Balke-Collender Co.

• Shape
• Console, Lowboy (legs < 50 %).

• Notes
• AF output tubes are in parallel. One dial (primary tuning control knob).

• Price in first year of sale
• 139.00 $

• External source of data
• Ernst Erb

• Source of data
• Radio Collector`s Guide 1921-1932

• Circuit diagram reference
• Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

• Mentioned in
• Collector's Guide to Antique Radios 4. Edition

• Literature/Schematics (1)
• Radio College of Canada, Individual Circuit Service, 1927-1953

• Literature/Schematics (2)
• Rider's Perpetual, Volume 3 = 1933 and before

• Other Models

• Here you find 101 models, 33 with images and 67 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Brunswick-Balke-Collender Co.