• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1975 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 226810

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

• Number of Transistors
• 8

• Semiconductors
• 2SC668 2SC668 2SC403 2SB186 2SB187 2SB187 unknown_tr unknown_tr

• Main principle
• Superheterodyne (common); ZF/IF 455/10700 kHz; 2 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)     8 FM circuit(s)

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

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.25 inch = 5.7 cm

• Power out
• 0.2 W (0.3 W max.)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: 8 Transistor 3F-70W - Sony Corporation; Tokyo

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

• Dimensions (WHD)
• 74 x 115 x 38 mm / 2.9 x 4.5 x 1.5 inch

• Notes

• Sony 3F-70W AM/FM in various cabinet colors known supplied with carrying case

• Net weight (2.2 lb = 1 kg)
• 0.240 kg / 0 lb 8.5 oz (0.529 lb)

• Author
• Model page created by Karl-Heinz Entrich † 7.21. See "Data change" for further contributors.

• Other Models

• Here you find 3995 models, 3856 with images and 957 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo