• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1991

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 74811

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

• Wave bands
• Broadcast, Long Wave, Short Wave plus FM or UHF.

• Power type and voltage
• Dry Batteries / 4x 1,5 Volt

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

• Power out
• 0.4 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: LW / MW / SW / FM Stereo Receiver ICF-SW77 - Sony Corporation; Tokyo

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

• Dimensions (WHD)
• 276 x 172 x 46 mm / 10.9 x 6.8 x 1.8 inch

• Notes
• Coverage 150 - 30000 kHz, 76 - 108 MHz;
  AM, SSB (LSB/USB/ECSS-Sync); FM: digital readout; keypad frequency entry; 162 alphanumeric memories, clock; Ext. power jack: DC 6 V.

• Net weight (2.2 lb = 1 kg)
• 1.480 kg / 3 lb 4.2 oz (3.26 lb)

• Price in first year of sale
• 890.00 DM

• External source of data
• R.Lichte

• Literature/Schematics (1)
• -- Original-techn. papers.

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

• Other Models

• Here you find 3977 models, 3837 with images and 955 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo