Transistor GR-711 side screw + wire stand

• Country
• Japan

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

• Year
• 1960

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 102728

• Picture
• Schematics

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

• Number of Transistors
• 6

• Semiconductors
• 2N219 2N218 2N218 2N215 2N217 2N217 1N34A 1N34A KV-1

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

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2 inch = 5.1 cm

• Power out
• 0.2 W (max.)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Transistor GR-711 [side screw + wire stand] - Global Mfg. Co.; Tokyo

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

• Dimensions (WHD)
• 70 x 102 x 30 mm / 2.8 x 4 x 1.2 inch

• Notes

• Reverse painted dial area.
  Six different colors: beige, black, lavender, red, light blue and ivory.

  See the several variants, different also for the dimensions: side screw + easel stand, no screws, 4 screw back & no-badge, 4 screw back + badge. This is probably the first one and the most common to find. When you open it, the PCB appears on the soldering side.

  See also Zephyr and Town & Country.

• Net weight (2.2 lb = 1 kg)
• 0.2 kg / 0 lb 7 oz (0.441 lb)

• Source of data
• Transistor Radios 1954-68

• Mentioned in
• -- Schematic

• Literature/Schematics (1)
• Collector's Guide To TrR1 Bunis trans.94 (Model info and picture on page 108)

• Literature/Schematics (2)
• Külföldi tranzisztoros készülékek adatai, Budapest 1964, MHSZ

• Literature/Schematics (3)
• Antique Radio Magazine - Italy, Club Antique Radio Magazine (n.167, maggio-giugno 2022, pag. 18-23)

• Documents regarding this model

• 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