• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1978–1981 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 74393

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

• Number of Transistors
• 93

• Semiconductors

• Main principle
• Wadley-Loop principle (including dual superhet); ZF/IF 45145/455 kHz

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

• Details
• Cassette-Recorder or -Player

• Power type and voltage
• Line / Batteries (any type) / 110; 120; 220; 240 / 12 / D: 8 x 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4.75 inch = 12.1 cm

• Power out
• 3 W (max.)

• Material
• Various materials

• from Radiomuseum.org
• Model: CRF-330K - Sony Corporation; Tokyo

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

• Dimensions (WHD)
• 451 x 349 x 207 mm / 17.8 x 13.7 x 8.1 inch

• Notes

• Shortwave 1600 - 30000 kHz in 29 ranges, Wadley-loop, digital frequency readout. Two FM ranges, 76 - 90 MHz and 87.5 - 108 MHz. SSB reception with built in BFO.

• Net weight (2.2 lb = 1 kg)
• 15.4 kg / 33 lb 14.7 oz (33.921 lb)

• Source of data
• Shortwave Receivers - Past & Present (3rd ed.)

• Mentioned in
• -- Original-techn. papers.

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

• Other Models

• Here you find 3960 models, 3820 with images and 954 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo