• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1995 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 362941

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superhet with RF-stage; ZF/IF 455/10700 kHz

• Wave bands
• Broadcast (BC) and FM or UHF.

• Details
• Cassette-Recorder or -Player

• Power type and voltage
• Line / Batteries (any type) / 50/60 Hz, 120; 220-240; D: 6 x 1.5 Volt

• Loudspeaker
• 2 Loudspeakers / Ø 10 cm = 3.9 inch

• Power out
• 3 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Radio Cassette-Corder CFS-W318/W328 - Sony Corporation; Tokyo

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

• Dimensions (WHD)
• 560 x 157.5 x 156 mm / 22 x 6.2 x 6.1 inch

• Notes

• The Sony CFS-W318 and CFS-W328 are dual-deck radio cassette-recorder units released in the 1990s. They are closely related models designed for portable playback and recording of audio cassettes, as well as FM/AM radio listening.

  Key Technical Features
  Dual Cassette Decks:

  • Deck A for playback only
  • Deck B for both playback and recording (including tape-to-tape dubbing)
  • High-speed dubbing capability

  FM/AM Radio:

  • FM coverage: typically, 87.6–108 MHz (varies by region)
  • AM coverage: typically, 530–1,605 kHz (varies by model/region)
  • Manual tuning with fine-tuning adjustment for better reception

  Amplification and Speaker System:

  • Output: 1.5W RMS per channel (some sources indicate up to 2.3W per channel for similar variants)
  • Built-in two full-range speakers (approx. 10cm/4in cone type)
  • Piezo super tweeters are included, but with lower volume output than the main speakers
  • Sanyo LA4598 amplifier IC is commonly used, offering a robust sound stage for a portable

  Tape Mechanism:

  • 4-track, 2-channel stereo recording system (normal bias/Type I tapes only)
  • Permanent magnet erase head in Deck B
  • Belt-driven cassette mechanism; drive belts can be replaced for repair or maintenance
  • Simple, primarily plastic construction typical of late 1990s portables

  Controls and Connectivity:

  • Physical sliders/dials for volume and tone
  • Function switch for Tape/Radio/Dubbing modes
  • Headphone output (stereo minijack, 16–32Ω)
  • AC operation or battery powered (usually 6x D cells for portability)

  Physical Design:

  • Portable "boombox" format, with a carry handle
  • Approximate dimensions: 540×159×163mm (w/h/d), weight ~3.5kg including batteries

  Summary Table: Model Suffix, Country, and Power Specs

  Model	Country/Region	Suffix/Area Code	AC V	Freq.
  CFS-W318	USA	US	120V	60
  CFS-W318	Europe	AEP, G	220–240V	50/60Hz
  CFS-W318	Australia	AUS/AU	240V	50Hz
  CFS-W328	UK	UK	240V	50HZ
  CFS-W328	Asia/Middle East	E, HK, CN, CH	220V	59Hz

  All models operate on 9V DC with six D batteries for standard portable use.

• Net weight (2.2 lb = 1 kg)
• 3.3 kg / 7 lb 4.3 oz (7.269 lb)

• Mentioned in
• - - Manufacturers Literature (Service manual 95L0461-1)

• Literature/Schematics (1)
• - - Manufacturers Literature (Operating instructions)

• Author
• Model page created by Gábor Oláh. See "Data change" for further contributors.

• Other Models

• Here you find 4077 models, 3934 with images and 977 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo