• Country
• Taiwan (Republic of China)

• Manufacturer / Brand
• Sangean; Chung Ho City

• Year
• 1992 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 78114

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superhet, double/triple conversion; ZF/IF 49995/450 kHz

• Wave bands
• Broadcast, Long Wave, more than 2 x SW plus FM or UHF.

• Power type and voltage
• Dry Batteries / 4 x 1.5 & 3 x 1.5 Volt

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: ATS-818 - Sangean; Chung Ho City

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 300 x 190 x 80 mm / 11.8 x 7.5 x 3.1 inch

• Notes
• • AM coverage 150 - 29999 kHz
  • AM / SSB(BFO)
  • direct keypad frequency input
  • 45 memories
  • clock/timer
  • Also sold as
    • Siemens RK-665
    • Siemens RK-765
    • Radio Shack Realistic DX-390
    • Edutec ATS 818

• Net weight (2.2 lb = 1 kg)
• 1.8 kg / 3 lb 15.4 oz (3.965 lb)

• Price in first year of sale
• 180.00 $

• Author
• Model page created by Martin Bösch. See "Data change" for further contributors.

• Other Models

• Here you find 76 models, 75 with images and 30 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sangean; Chung Ho City