• Country
• Japan

• Manufacturer / Brand
• Hitachi Ltd.; Tokyo

• Year
• 1959 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 87821

• • alternative name: Hitachi Sales Corp. of America

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

• Number of Transistors
• 9

• Semiconductors
• HJ74 HJ74 2N218 2N218 2N215 2N215 2N217 2N217 HV15

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

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Dry Batteries / 4 × 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.62 inch = 6.7 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: WH-822M - Hitachi Ltd.; Tokyo

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

• Dimensions (WHD)
• 153 x 90 x 40 mm / 6 x 3.5 x 1.6 inch

• Notes
• Battery operated transistorized 2 band portable receiver. Sams photofact set 485 folder 11 date 5-60 features the Hitachi models WH-822 and WH-822M as the same schematic. Hitachi WH-822 M = Marine;
  Coverage: 1.6 - 4.5 MHz, AM: 535 - 1605 KHz,
  screw-in rod antenna, two earphone jacks, ext. antenna in, suitable brown leather carrying case known.

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

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 485 folder 11 date 5-60)

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

• Other Models

• Here you find 1057 models, 947 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