QED Reference XT40 Pre-Terminated Speaker Cable

R2,930.00R4,715.00 Incl. VAT

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Description

Reference XT40

XT40 celebrates QED’s 40 years of award-winning British heritage. Winner of ‘Best speaker cable’ at 2014 What Hi-Fi? Awards.

Acclaimed by What HI-FI? Magazine; this ‘Five Star’ award-winning pure copper loudspeaker cable boasts QED’s advanced X-TubeTM technology and a massive 4mm2 cross-sectional area. This results in a cable that delivers clear sonic advantages over conventional cable designs by maintaining a flat frequency response within the audio band.
We are so confident about the performance of the new XT40, we urge enthusiasts to audition and compare it, not only to their favourite cable but also to alternative models at any price.
Prepare to be surprised!

Sold in pairs and are terminated with heat-shrink QED Airloc 4mm banana plugs.

AWARDS

Award 1 Award 2 Award 3 Award 4

FEATURES AND BENEFITS

X-TUBE™ TECHNOLOGY

At low frequencies, both X-TubeTM and conventional stranded/solid core speaker cables convey signals in a linear way. However, at high frequencies, X-TubeTM retains a near-linear signal transfer, whereas the conventional cable fails to conduct uniformly across the entire conductor area. The result is that X-TubeTM delivers greater detail and fidelity across the audio spectrum which would otherwise be lost in ordinary cables.

X-TUBE TECHNOLOGY

At low frequencies, both X-TubeTM and conventional stranded/solid core speaker cables convey signals in a linear way. However, at high frequencies, X-TubeTM retains a near-linear signal transfer, whereas the conventional cables fail to conduct uniformly across the entire conductor area.
In standard speaker cables at high frequencies, current flow is highest at the periphery with rapidly deteriorating current density towards the centre of the conductor. The effect of this is to reduce the actual cross-sectional area of the cable at 15kHz to less than 75% of that at low frequencies. This results in higher distortion and compromises the performance of the cable.
X-TubeTM with polycore technology exhibits much lower self-inductance and is, therefore, less affected by this problem. The polycore technology reduces loop inductance to levels only achievable using more costly and difficult to terminate cables.
The result is more high-frequency detail, less distortion and greater performance.

LARGE cross-sectional area

The 4 mm2 cross-sectional area means XT40 exhibits very low resistance, allowing amplifiers to exert outstanding control over the speakers they are driving. In addition, its large cross-sectional area makes it suitable for long cable runs.

Specifications

Wire gauge – 12 AWG

Jacket OD – 6.00 mm
Cross-sectional area – 4.00 mm²
Loop resistance – 0.008 Ω/m
Capacitance – 59 pF/m
Inductance – 0.46 µH/m
Dissipation factor – 0.0576
Nominal outside diameter 6.0 mm
For best results use QED Airloc™ Forte banana plugs.
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