• Country
• Japan

• Manufacturer / Brand
• Unknown - CUSTOM BUILT: Japan

• Year
• 1959

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 175275

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

• Number of Transistors
• 6

• Semiconductors
• 2SA141 2SA141 2SA142 2SB135 2SB136 2SB136

• Main principle
• Superheterodyne (common); 2 AF stage(s)

• Tuned circuits
• 4 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries / 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5.25 cm = 2.1 inch

• Power out
• 0.1 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Hi-Sonic Six Transistor FR-6022 [var.2] - Unknown - CUSTOM BUILT: Japan

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

• Dimensions (WHD)
• 65 x 105 x 35 mm / 2.6 x 4.1 x 1.4 inch

• Notes
• Hi-Sonic FR-6022 pocket radio, ABS cabinet,front plate aluminium, with leather case.Made in Japan in various cabinet colors.Gross weight incl full packing 0.240 kg.g. Looks similar to Melodic and Ronnytone (Smith, Transistor Radios, p.133).

• Net weight (2.2 lb = 1 kg)
• 0.148 kg / 0 lb 5.2 oz (0.326 lb)

• Author
• Model page created by Hans Gerhardt † 4.12.22. See "Data change" for further contributors.

• Other Models

• Here you find 1131 models, 993 with images and 97 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unknown - CUSTOM BUILT: Japan