• Country
• Japan

• Manufacturer / Brand
• Mellow-Tone (where?)

• Year
• 1958 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 311232

• Number of Transistors
• 2

• Semiconductors

• Main principle
• TRF with diode detector

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 1 x 9 Volt

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: 2 Transistor NR-23 - Mellow-Tone where?

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

• Notes

• Similar to the models reported under Mantone NR-22.

• Author
• Model page created by Aldo Andreani. See "Data change" for further contributors.

• Other Models

• Here you find 11 models, 10 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Mellow-Tone (where?)