• Year
  • 1965–1969
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 316882

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

 Technical Specifications

  • Number of Transistors
  • 6
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Tape Recorder
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 220 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
  • Power out
  • 1.5 W (max.)
  • from Radiomuseum.org
  • Model: National RQ-503S - Panasonic, Matsushita,
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 11.125 x 5 x 9.625 inch / 283 x 127 x 244 mm
  • Notes
  • National Model RQ-503S

    Two-speed, twin-track AC-operated six transistor tape recorder. Features special "error guard" switch which ensures no errors in recording. Pause lever and index counter, Speeds, 3¾ and 1⅞ ips. Power consumption of approximately 40W with an output of 1.5W. Sound monitor system enables monitoring through inbuilt speaker while recording, thus enabling use as a public address system. Neon lamp for recording level.

    Specifications: frequency response 100-7000 c/s (Hz) at 3¾ ips and 100-4000 c/s (Hz) at 1⅞ ips. Recording system AC bias 33 kC/s (kHz); 6" x 3" dynamic speaker. Accessories: recording tape 5", dynamic microphone and radio cord. (MINGAY'S PRICE SERVICE)

  • Net weight (2.2 lb = 1 kg)
  • 8 lb 14 oz (8.875 lb) / 4.029 kg
  • Price in first year of sale
  • 94.50 AUS $
  • Literature/Schematics (1)
  • -- Original-techn. papers. (National Tape Recorder Service Handbook, Page 23.)
  • Literature/Schematics (2)
  • J.R. Tape Recorder Handbook, Page N18.
  • Author
  • Model page created by Martin Kent. See "Data change" for further contributors.

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The model National is part of the collections of the following members.

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