• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1969–1972

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 107882

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

• Number of Transistors
• 9

• Semiconductors
• 2SC403 2SC403 2SC403 2SC403 2SC403 2SB186 2SB186 2SB187 2SB187 1S188 SFB-455

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 3 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / D: 1.5 x 3 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.5 inch = 8.9 cm

• Power out
• 0.4 W (unknown quality)

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Super Sensitive 9 Transistor 6R-33 - Sony Corporation; Tokyo

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 9 x 5 x 2.5 inch / 229 x 127 x 64 mm

• Notes

• Sony Model 6R-33

  A nine-transistor BC (AM) pjortable radio. Speaker, 3½", 400 mW output. Woodgrain panel in leatherette cabinet. Complete witrh earphone. (MINGAY'S PRICE SERVICE)

  Frequency Range 530-1605 kHz.

• Price in first year of sale
• 68.50 AUS $

• Mentioned in
• Mingay's Price Service (Aug 1969 to Feb 1972.)

• Literature/Schematics (1)
• J.R. Publications Transistor Radio Service Handbook (Group G7, 1970, Page S39-1.)

• Author
• Model page created by Peter Hoddow. See "Data change" for further contributors.

• Other Models

• Here you find 4057 models, 3914 with images and 974 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo