Three Hundred 300

RGD (Brand), Radio Gramophone Development Co. Ltd.; Birmingham

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  • Year
  • 1957 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 146882

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 470 kHz; 3 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Details
  • Record Player (perh.Changer)
  • Power type and voltage
  • Alternating Current supply (AC) / 200-250 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 inch = 25.4 cm
  • Power out
  • 6 W (undistorted)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Three Hundred 300 - RGD Brand, Radio Gramophone
  • Notes

  • Auto-radiogram fitted with Collaro RC 456 four speed auto changer.

    Wave band coverage;
    LW 150 - 300 kHz
    MW 545 - 1665 kHz
    SW 6 - 18MHz

  • 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.

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