• Country
• Japan

• Manufacturer / Brand
• Global Mfg. Co.; Tokyo

• Year
• 1965 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 255770

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

• Number of Transistors
• 7

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 4 x 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: GR-651 - Global Mfg. Co.; Tokyo

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 13.875 x 7.125 x 4.75 inch / 352 x 181 x 121 mm

• Notes

• Two 4 inch PM speakers in parallel.  This is a portable set, as it is battery powered only and has a handle cavity on the top back.

• Net weight (2.2 lb = 1 kg)
• 4 lb 0 oz (4 lb) / 1.816 kg

• Literature/Schematics (1)
• - - Manufacturers Literature

• Literature/Schematics (2)
• -- Schematic

• Author
• Model page created by Tom Polk. See "Data change" for further contributors.

• Other Models

• Here you find 29 models, 28 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Global Mfg. Co.; Tokyo