• Country
• United States of America (USA)

• Manufacturer / Brand
• Jensen Radio Manufacturing Co.; Chicago, IL, Oakland, CA

• Year
• 1929/1930

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 165713

• Number of Transistors

• Semiconductors
• Tr.Gl.=Metal-rectif.

• Wave bands
• - without

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

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

• Material
• Various materials

• from Radiomuseum.org
• Model: D7-AC - Jensen Radio Manufacturing Co.

• Shape
• Chassis only or for «building in»

• Notes
• The Jensen Concert Dynamic is D7 is made in 4 versions: D7-AC fro 110 volts AC, D7DC for 110 volts DC or 220 volt DC or 6 volt DC. The performance is identical.

• Price in first year of sale
• 35.00 $

• Literature/Schematics (1)
• Lafayette Radio Catalog (Lafayette Catalog 1930 for season 1929/30, page 36-38.)

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

• Other Models

• Here you find 64 models, 61 with images and 10 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Jensen Radio Manufacturing Co.; Chicago, IL, Oakland, CA