• Country
• Japan

• Manufacturer / Brand
• Hitachi Ltd.; Tokyo

• Year
• 1965 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 176228

• • 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
• 2SA132 2SA131 2SA12 2SA353 2SB75 2SB155 2SB156 2SB156

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

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Dry Batteries / 3 x 1.5 Volt

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: WH-837 - Hitachi Ltd.; Tokyo

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

• Dimensions (WHD)
• 8.75 x 7.5 x 2.5 inch / 222 x 191 x 64 mm

• Notes
• Hitachi WH-837: Portable radio with fine tuning, tone switch, sensitive/local-station switch and earphone jack. SW band 6 to 18 MHz. Elliptical loudspeaker 4 x 2.5 inch.

• Source of data
• -- Schematic

• Circuit diagram reference
• Radio and TV Servicing books (R&TVS) book

• Author
• Model page created by Keith Staines. 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