• Country
• Japan

• Manufacturer / Brand
• Dia Musen Sangyo Co.,Ltd., Tokyo

• Year
• 1962 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 249075

• Number of Transistors
• 9

• Semiconductors

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

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Dry Batteries / UM-3: 4 x 1,5 Volt

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Grand Marc GP-901 - Dia Musen Sangyo Co.,Ltd.,

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

• Notes

• Grand Marc 9 Transistor AM radio

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

• Other Models

• Here you find 5 models, 5 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Dia Musen Sangyo Co.,Ltd., Tokyo