• Year
  • 1966–1968
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 259744

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

 Technical Specifications

  • Number of Transistors
  • 12
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Details
  • Record Player (not changer)
  • Power type and voltage
  • Batteries / addl. power jack / D: 6 x 1,5 / 9 Volt
  • Loudspeaker
  • 2 Loudspeakers / Ø 4 inch = 10.2 cm
  • from Radiomuseum.org
  • Model: National Radio Phonograph SG-725 - Panasonic, Matsushita,
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 17.125 x 3.875 x 12.875 inch / 435 x 98 x 327 mm
  • Notes
  • National Model SG-725

    All-transistor, 2-band, 3-speed stereo radiogram. When closed it has the appearance of a smart attache case.

    Features: a 2-band radio and 3-speed record player with detachable speakers. Built-in storage space for 7" and 10" records. Total power output of 3W.

    Specifications: radio frequency range, MW 525 - 1605 kC/s (kHz); SW 5.9 - 18 MC/s (MHz). Speakers, 2 x 4" PM dynamic. Record player; three speeds (33, 45 and 78 rpm) with ceramic cartridge and sapphire stylus. Powered by six UM-1 cells or with optional AC- adaptor O5X.

    Separate ferrite core antenna for medium wave and telescopic antenna for shortwave reception. (MINGAY'S PRICE SERVICE)

    See also National model type SG-725FL and SG-725H

  • Net weight (2.2 lb = 1 kg)
  • 9 lb 0 oz (9 lb) / 4.086 kg
  • Price in first year of sale
  • 157.50 AUS $
  • Author
  • Model page created by Daniel Rosha. See "Data change" for further contributors.

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