• Country
• United States of America (USA)

• Manufacturer / Brand
• DeForest Radio Telephone & Telegraph Co. (De Forest); New York

• Year
• 1925 ?

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 315925

• • alternative name: Lee De Forest Mfg.

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

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Magnetic loudspeaker (reed) of high quality (free mooving - only possible past 1931).

• Material
• Various materials

• from Radiomuseum.org
• Model: Speaker - DeForest Radio Telephone &

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Literature/Schematics (2)
• Zászlónk, 1926 Budapest.

• Author
• Model page created by Sándor Selyem-Tóth. See "Data change" for further contributors.

• Other Models

• Here you find 158 models, 132 with images and 16 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from DeForest Radio Telephone & Telegraph Co. (De Forest); New York