• Country
• United States of America (USA)

• Manufacturer / Brand
• Calrad - California Radio & Electronics Co.; Hollywood (CA)

• Year
• 1970 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 263353

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Various materials

• from Radiomuseum.org
• Model: 2¼ Inch Miniature PM Speaker PM-2¼ - Calrad - California Radio &

• Notes

• Made in Japan.

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 30 models, 30 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Calrad - California Radio & Electronics Co.; Hollywood (CA)