• Country
• Japan

• Manufacturer / Brand
• Foster Electric Co. Ltd. (Fostex); Tokyo

• Year
• 1990 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 323406

• • alternative name: Fostex Company

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 9 cm = 3.5 inch

• Power out
• 3 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Speaker 100K2150 - Foster Electric Co. Ltd.

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 100 x 100 x 40 mm / 3.9 x 3.9 x 1.6 inch

• Notes

• Impedance 4 Ω.

  Made in Singapore

• Net weight (2.2 lb = 1 kg)
• 0.240 kg / 0 lb 8.5 oz (0.529 lb)

• Author
• Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

• Other Models

• Here you find 27 models, 26 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Foster Electric Co. Ltd. (Fostex); Tokyo