• Country
• Hong Kong

• Manufacturer / Brand
• Unknown - CUSTOM BUILT: Hong Kong (HK)

• Year
• 1973 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 325107

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Soundwave SD-99 - Unknown - CUSTOM BUILT: Hong

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

• Notes

• See also Sony TR-4100.

• Author
• Model page created by Aldo Andreani. See "Data change" for further contributors.

• Other Models

• Here you find 830 models, 738 with images and 19 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unknown - CUSTOM BUILT: Hong Kong (HK)