• Country
• United States of America (USA)

• Manufacturer / Brand
• MILITARY U.S. (different makers for same model)

• Year
• 1945 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 188851

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - Is a Headphone or Earphone / Ø 2.2 cm = 0.9 inch

• Material
• Bakelite case

• from Radiomuseum.org
• Model: headphones CD 620 D - R 30 U - MILITARY U.S. different makers

• Notes
• Resistance 30 Ohm.

• Author
• Model page created by Fabio Masetti. See "Data change" for further contributors.

• Other Models

• Here you find 398 models, 350 with images and 210 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from MILITARY U.S. (different makers for same model)