• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1970

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 129663

• Number of Transistors
• 8

• Semiconductors
• 2SC733 2SC733 2SC537 2SC537 2SB186 2SB186 unknown_tr unknown_tr

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

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• Power type and voltage
• Line / Batteries (any type) / 110/120; 220/250; 4 x 1.5 Volt

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

• Power out
• 1 W (max.)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: 7R-33 - Sony Corporation; Tokyo

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

• Dimensions (WHD)
• 270 x 170 x 110 mm / 10.6 x 6.7 x 4.3 inch

• Notes
• Was also produced with broadcast, long and 2 short wave bands as model 7R33L.

• Other Models

• Here you find 3991 models, 3852 with images and 956 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo