• Country
• Japan

• Manufacturer / Brand
• Hitachi Ltd.; Tokyo

• Year
• 1964 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 92659

• • alternative name: Hitachi Sales Corp. of America

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

• Number of Transistors
• 8

• Semiconductors
• 2SA15 2SA15 2SA12 2SA353 2SB75 2SB155 2SB77 2SB77 1N34A HV15

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 3 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 6 x 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: TH-812 - Hitachi Ltd.; Tokyo

• Shape
• Portable set > 8 inch (also usable without mains)

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 25, 1965

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

• Other Models

• Here you find 1056 models, 946 with images and 242 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hitachi Ltd.; Tokyo