National 2-Band 12-Transistor Radiograph HG-720 (TRG-173)

Panasonic, Matsushita, National ナショナル (also tubes); Osaka

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  • Year
  • 1962–1964 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 259607

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

 Technical Specifications

  • Number of Transistors
  • 12
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Details
  • Record Player (not changer)
  • Power type and voltage
  • Batteries / addl. power jack / 6 x 1.5 / 9 & 9 Volt
  • Loudspeaker
  • 2 Loudspeakers
  • from Radiomuseum.org
  • Model: National 2-Band 12-Transistor Radiograph HG-720 - Panasonic, Matsushita,
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 9.625 x 4.75 x 17.25 inch / 244 x 121 x 438 mm
  • Notes

  • National Model HG-720

       Fully transistorised portable stereo radiogram with two separate amplifiers/speakers, which packs up into one unit.
       Features: 12 transistors, two diodes, two bands, three speeds. Long cord for separate speaker. Ceramic pick-up, built-in Ferrite rod antenna as well as 48" whip antenna for short wave listening.
       Frequency range: M/W 535-1605 kC/s (kHz). S/W 3.9 -12 MC/s (MHz). Pick-up turnover type, Ceramic pick-up. Phonomotor, three-speed DC rim-drive type. Speaker: two 6" x 4" oval. Batteries: six National UM-1 dry cells (D Cells) or equivalent. (MINGAY'S PRICE SERVICE)

  • Net weight (2.2 lb = 1 kg)
  • 14 lb 6 oz (14.375 lb) / 6.526 kg
  • Price in first year of sale
  • 78.75 AUS £
  • Author
  • Model page created by Daniel Rosha. See "Data change" for further contributors.

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