• Country
• United States of America (USA)

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

• Year
• 1931

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 34746

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

• Number of Tubes
• 7

• Valves / Tubes
• 51 24 24 51 24 47 80

• Main principle
• Superhet with RF-stage; ZF/IF 175 kHz

• Tuned circuits
• 7 AM circuit(s)

• Details
• Record Player (perh.Changer)

• Power type and voltage
• Alternating Current supply (AC) / 105-115; 115-130 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: 33 [w/o AVC] - Brunswick-Balke-Collender Co.

• Shape
• Console with any shape - in general

• Notes
• Chassis = 11.

• External source of data
• E. Erb 3-907007-36-0, Thali "Schemasammlung"

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

• Circuit diagram reference
• Rider's Perpetual, Volume 2 = 1932 (Models 1931/1932)

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

• 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.