• Country
• Japan

• Manufacturer / Brand
• Unknown - CUSTOM BUILT: Japan

• Year
• 1960 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 330354

• Wave bands
• - without

• Power type and voltage
• No Power needed

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

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Allegro Tubular Extension Speaker E-102 - Unknown - CUSTOM BUILT: Japan

• Shape
• Miscellaneous shapes - described under notes.

• Notes

• See also USA model OGMS 564.

  Made in Japan.

• Other Models

• Here you find 1140 models, 1002 with images and 96 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unknown - CUSTOM BUILT: Japan