• Country
• Japan

• Manufacturer / Brand
• Unknown - CUSTOM BUILT: Japan

• Year
• 1965 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 155961

• Number of Transistors
• 6

• Semiconductors

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

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 9 Volt

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Trans-World 6 Transistor MTR-633 - Unknown - CUSTOM BUILT: Japan

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

• Dimensions (WHD)
• 2.75 x 3.5 x 1.25 inch / 70 x 89 x 32 mm

• Notes
• Trans-World MTR-633 6 Transistor;
  Kick stand, dial window, metal front, earphones jack, sold in case with accessories like black leather carrying case & earphone, made in Japan.

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 1140 models, 1002 with images and 96 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unknown - CUSTOM BUILT: Japan