• Country
• Japan

• Manufacturer / Brand
• Hitachi Ltd.; Tokyo

• Year
• 1961–1963

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 89820

• • alternative name: Hitachi Sales Corp. of America

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

• Number of Transistors
• 7

• Semiconductors
• 2SA15 2SA12 2SA12 2SB75 2SB75 2SB77 2SB77 1N34A 1N34A HV15

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 3 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 6 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3 inch = 7.6 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: T-728 - Hitachi Ltd.; Tokyo

• Shape
• Tablemodel with Clock ((Alarm-) Clock Radio).

• Dimensions (WHD)
• 10.5 x 2.25 x 3.875 inch / 267 x 57 x 98 mm

• Notes

• Hitachi T728 Transistor Clock Radio

  Seven transistors, 3" PM speaker, luminous clock dial with built-in alarm. Automatically turns "on" and "off" at selected times. Includes two magnetic type earphones for private listening. Packed in display box. (FROM MINGAY'S PRICE SERVICE)

  Clock powered by separate battery.

• Price in first year of sale
• 44.10 AUS £

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 23, 1963

• Mentioned in
• Mingay's Price Service (Feb 1962 to Feb 1963.)

• Author
• Model page created by Egon Penker. See "Data change" for further contributors.

• Other Models

• Here you find 1061 models, 951 with images and 243 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hitachi Ltd.; Tokyo