Radiogram 643 AC

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

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  • Year
  • 1937 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 333083

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Superhet with RF-stage; ZF/IF 460 kHz
  • Wave bands
  • Broadcast, Long Wave and 2 x Short Wave.
  • Details
  • Changer (Record changer)
  • Power type and voltage
  • Alternating Current supply (AC) / 200-220; 230-250 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Radiogram 643 [AC] - RGD Brand, Radio Gramophone
  • Shape
  • Console with any shape - in general
  • Notes

  • An AC mains 4 band superhet console radiogram housed in a wooden cabinet fitted with a Garrard RC4 autochanger. With magic eye and with inter-station noise suppression activated by pulling out the volume control knob. On the back, an internal loudspeaker on/off switch and connections for aerial, earth, gramophone pickup and extension loudspeaker.

    Also available as the RGD 643 DC and a similar chassis is fitted in the RGD 623 AC table radio and RGD 628 AC console radio.

  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service manual RGD 623, 628, 643 AC)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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