• Country
• Japan

• Manufacturer / Brand
• Toptone (Tokyo Optical & Radio Mfg. Co., Ltd.); Tokyo

• Year
• 1961/1962 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 136511

• Number of Transistors
• 6

• Semiconductors
• 2SB75 2SB77 2SB77 2SA12 2SA12 2SA15 1N34A

• Main principle
• Superheterodyne (common); 3 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.25 inch = 5.7 cm

• Power out
• 0.2 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Transistor Six AR-630 - Toptone Tokyo Optical & Radio

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

• Dimensions (WHD)
• 110 x 71 x 35 mm / 4.3 x 2.8 x 1.4 inch

• Notes
• Ressemble un peu à un Hitachi, mais avec un look assez original. CV avec 4 trimmers (2 PO; 2 GO).

• Net weight (2.2 lb = 1 kg)
• 0.3 kg / 0 lb 10.6 oz (0.661 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Olivier Palix. See "Data change" for further contributors.

• Other Models

• Here you find 9 models, 7 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Toptone (Tokyo Optical & Radio Mfg. Co., Ltd.); Tokyo