• Country
• Japan

• Manufacturer / Brand
• Unknown - CUSTOM BUILT: Japan

• Year
• 1970 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 307680

• Number of Transistors
• 6

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - Is a Headphone or Earphone

• Material
• Various materials

• from Radiomuseum.org
• Model: Invicta Stereo Headphones 3000 - Unknown - CUSTOM BUILT: Japan

• Shape
• Miscellaneous shapes - described under notes.

• Notes

• 8 ohms.

  Made in Japan.

• Other Models

• Here you find 1147 models, 1008 with images and 102 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unknown - CUSTOM BUILT: Japan