QED
Reference X-Tube XT400

  What HiFi Award - price per meter  

Configure your X-Tube XT400 or buy length from the roll. Silver-plated oxygen-free copper tubular conductor geometry. For use in the finest hi-fi and home theatre systems. This design delivers a massive cross-sectional area using X-TubeTM technology ...

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€40,00 Incl. VAT (BTW)
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QED'S MULTI-AWARD WINNING XT400 SPEAKER CABLE, UTILISING X-TUBETM TECHNOLOGY

Silver-plated oxygen-free copper tubular conductor geometry. For use in the finest hi-fi and home theatre systems. This design delivers a massive cross-sectional area using X-TubeTMtechnology to eliminate the skin effect whilst maintaining a user friendly “figure of 8” geometry. This is QED’s ultimate affordable upgrade for high end systems

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-TubeTMretains a near-linear signal transfer, whereas the conventional cable fails to conduct uniformly across the entire conductor area. The result is that X-TubeTMdelivers greater detail and fidelity across the audio spectrum which would other wise be lost in ordinary cables.

QED X-Tube drawing
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 4mm2 cross sectional area means XT400 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 - 6.00mm
Cross-sectional area - 4.00mm²
Loop resistance - 0.008 Ω/m
Capacitance - 43pF/m
Inductance - 0.50 µH/m
Dissipation factor - 0.0400
Recommended for all high end installations
For best results use QED Airloc™ Forte banana plugs 
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