Belfone Intercommunications System 420
Bell Sound Systems; Columbus (OH)
- Country
- United States of America (USA)
- Manufacturer / Brand
- Bell Sound Systems; Columbus (OH)
- Year
- 1951 ?
- Category
- Audio Amplifier or -mixer
- Radiomuseum.org ID
- 128905
SAMS
Picture from service manual.
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 3
- Main principle
- Audio-Amplification
- Wave bands
- - without
- Power type and voltage
- AC/DC-set / AC/DC 117=110-120 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm
- Material
- Bakelite case
- from Radiomuseum.org
- Model: Belfone Intercommunications System 420 - Bell Sound Systems; Columbus
- Shape
- Tablemodel, with any shape - general.
- Dimensions (WHD)
- 12 x 6 x 5.75 inch / 305 x 152 x 146 mm
- Notes
-
The Bell Sound model 420 is an AC-DC operated inercommunication system.
- Literature/Schematics (1)
- Photofact Folder, Howard W. SAMS (Date 11-51, set 150, folder 4)
- Author
- Model page created by Ernst Erb. See "Data change" for further contributors.
- Other Models
-
Here you find 114 models, 110 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)
Collections
The model Belfone Intercommunications System is part of the collections of the following members.