• Country
• Japan

• Manufacturer / Brand
• Hitachi Ltd.; Tokyo

• Year
• 1964 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 147074

• • alternative name: Hitachi Sales Corp. of America

• Number of Transistors
• 6

• Semiconductors
• 1N34A

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast only (MW).

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

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

• Power out
• 0.1 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Hi-Phonic Radar Tuning TH-666F - Hitachi Ltd.; Tokyo

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

• Dimensions (WHD)
• 4 x 2 x 1 inch / 102 x 51 x 25 mm

• Notes
• Hitachi TH-666F Hi-Phonic Radar Tuning;
  Earphones jack, green light in the middle of the dials, can be lit by push button to aid tuning. Unit is labeled "F" in right lower front corner. Suitable leather case known.
  
  Tuning range: 530 - 1605 kc.
  
  1 Thermistor (spelled 'Thermister' in the manual). 100 mW undistorted output, 160 mW max.

• Net weight (2.2 lb = 1 kg)
• 0.4 lb (0 lb 6.4 oz) / 0.182 kg

• Source of data
• - - Manufacturers Literature

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

• Other Models

• Here you find 1052 models, 942 with images and 241 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hitachi Ltd.; Tokyo