• Country
• United States of America (USA)

• Manufacturer / Brand
• Bell Sound Systems; Columbus (OH)

• Year
• 1946

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 204977

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Rec.Player+Audio.Amp+LS

• Power type and voltage
• 117 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 12 inch = 30.5 cm

• from Radiomuseum.org
• Model: School-Master 2078 - Bell Sound Systems; Columbus

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 20 x 13 x 19 inch / 508 x 330 x 483 mm

• Notes
• It's a phono-PA system known as the Schoolmaster.

• Net weight (2.2 lb = 1 kg)
• 73 lb (73 lb 0 oz) / 33.142 kg

• Mentioned in
• Radio Retailing (Radio & Television R.) (March 1946 page 144. July 1946 page 142.)

• Literature/Schematics (1)
• Radio Master's Catalog, 15th ed., 1950-51, pg. B-7.

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 115 models, 111 with images and 70 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Bell Sound Systems; Columbus (OH)