Transistor 6 TH-660

• Country
• Japan

• Manufacturer / Brand
• Hitachi Ltd.; Tokyo

• Year
• 1961 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 87820

• • alternative name: Hitachi Sales Corp. of America

• Picture
• Schematics

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

• Number of Transistors
• 6

• Semiconductors
• 2SA94 2SA151 2SA133 2SB77 2SB156 2SB156 1N34A 1N34A

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / AA: 2 x 1,5 Volt

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Transistor 6 TH-660 - Hitachi Ltd.; Tokyo

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

• Dimensions (WHD)
• 64 x 93 x 29 mm / 2.5 x 3.7 x 1.1 inch

• Notes

• Hitachi Pocket AM Radio Model Transistor 6 TH-660.
  Tuning Range 535 - 1605 kHz.
  Made in Japan.

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

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 22, 1962

• Mentioned in
• -- Original prospect or advert

• Author
• Model page created by Egon Penker. 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