• Country
• United States of America (USA)

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

• Year
• 1951/1952

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 183134

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

• Number of Tubes
• 3

• Valves / Tubes
• 6SL7GT 6V6GT 5Y3GT

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 60 Hz, 117V = 110 -120 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4.88 inch = 12.4 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Intercommunications System 374SS - Bell Sound Systems; Columbus

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Notes

• Bell sound model 374SS is an AC operated intercommunication system.

   

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (date 11-51, set 151, Folder 6)

• Author
• Model page created by Carlos A. Pieroni-García. 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)