QED Performance Ruby Anniversary Evolution Pair of 2 Metre Speaker Cables Pre-Terminated with QED Airloc Banana Plugs (QE1420)

Product code: 2241
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Image of the QED Performance Ruby Anniversary Evoluation Pair of 2-Metre Speaker Cables Pre-Terminated with QED Airloc Banana Plugs (QE1420)

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The What Hi-Fi? Five Star award winning QED Ruby Anniversary Evolution cable is a completely new speaker cable from QED laboratories in celebration of 40 years at the forefront of UK speaker cable design. It utilises QED “Aircore Technology™” in a new miniature format to bring high end cable philosophies to the budget Hi-Fi market. It builds on the success of the XT Evolution and Ruby Anniversary cables with which it shares a family heritage but now incorporates increased conductor spacing to further reduce losses and distortions caused by cable capacitance.


Utilises conductors of different diameters to carry the same audio signal. This provides an alternative path for high frequency audio components which might otherwise become time smeared in a single audio pathway.  QED cables above 2.5mm² cross sectional area utilise air core technology to obviate the skin effect by bundling several separately insulated smaller cores together to make up a larger CSA. If these conductors are arranged around a hollow central core of polyethylene the self inductance exhibited by the cable can be reduced to around half that predicted by calculation.

QED have pre-terminated this pair of speaker cables with the QED’s superior Airloc™ cold weld system and each Banana plug is covered with a colour coded, Red or Black, plastic body


Product details

  • 2 x 2-Metre Pre-terminated QED Ruby Anniversary Evolution Speaker Cables using QED Airloc Banana Plugs
  • Plastic bodies, colour coded Red and Black for easy identification
  • New design "Forte" plugs offer superior connection for the best sound quality


Specifications of the Ruby Anniversary Evolution Speaker Cable

  • Construction - Spaced figure-8 arrangement using stranded conductor around an X-Tube™ Aircore
  • Conductor Material - 5 x 99.999% Oxygen Free Copper conductors
  • AV4Home Awarded QED Retailer of the YearAircore Material - Low density, Red and White colour-coded Polyethylene
  • 5 x low density polyethylene filler rod
  • Dielectric Material - Low density polyethylene dielectric
  • Dielectric Outer Diameter - 6.00mm x 2
  • Cross-sectional Area - 3.0mm²
  • Loop Resistance - 0.011 O/m
  • Capacitance - 33.4 pF/m
  • Inductance - 0.61 µH/m
  • Dissipation Factor - 0.0001



Also available

  • 3-Metre Pre-terminated QED Ruby Anniversary Evolution Pair of Speaker Cables using QED Airloc Banana Plugs with Plastic, colour-coded bodies also available
  • Custom cut cables available to any length and available with choice of Banana plugs or Spade connectors

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