• Country
• Japan

• Manufacturer / Brand
• Unknown - CUSTOM BUILT: Japan

• Year
• 1960 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 324787

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.5 inch = 8.9 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Hampden Speaker Box - Unknown - CUSTOM BUILT: Japan

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 150 x 103 x 50 mm / 5.9 x 4.1 x 2 inch

• Notes

• Auxiliary speaker box for transistor radios.

• Net weight (2.2 lb = 1 kg)
• 0.350 kg / 0 lb 12.3 oz (0.771 lb)

• Author
• Model page created by Klaus R. Tiefenbacher. See "Data change" for further contributors.

• 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