QED Silver Anniversary XT Speaker Cable builds on the huge success of the Silver Anniversary Speaker Cable but adds QED's ingenious X-Tube Aircore technology to create a speaker cable that performs far beyond its price level. The introduction of this advanced technology into a mid-ranged ranged QED product has quickly propelled the Silver Anniversary cable to the forefront of the QED Speaker Cable range.
• Precise construction and 99.999% pure oxygen free silver plated copper
• Unique SPOFC triple braid 5 x 16 x 0.1mm
• Compressible Teflon Aircore for ease of termination
• Low resistance, low capacitance and low inductance
• Easy strip Polyethylene outer jacket
• 2 x 1.88mm2 conductor cross sectional area
SILVER ANNIVERSARY XT
X-TUBE WITH AIRCORE TECHNOLOGY HOW IT WORKS.One of the biggest problems facing speaker cables is keeping the inductance low as cable conductor size increases. This is vital to reduce cable losses and prevent inaccuracies in the signal transfer process, i.e. distortion. The normal way to do this is to use a number of individually insulated conductors within the cable construction. This method is utilised to great effect in the design of our Genesis Silver Spiral loudspeaker cables. However, this results in a product that has a very high quality sound performance, but is expensive to manufacture and can be difficult to terminate.
To take advantage of this design ethos, but in a more conventional format, X-TUBE forms the conductor in the shape of a tube with an inner aircore. This has the same effect as using multiple insulated conductors and ensures that high frequencies are transmitted cleanly, with the added benefit of ease of termination. This unique tubular conductor geometry also provides lower flux density within the conductors, which gives improved transparency to the sound.
THE SIGNAL1.) At low frequencies both X-TUBE™ and conventional stranded/solid core speaker cable convey signals in a linear way. This is represented by the uniform green colour of the strands shown in the two diagrams above.
2.) At higher frequencies X-TUBE retains a near-linear signal transfer, whereas the conventional stranded/solid core cable fails to efficiently conduct higher frequencies uniformly across the entire conductor area. The diagram shows excess current density at the periphery (designated in red) and rapidly deteriorating current density (green through to white) 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. The result is induced distortion and a compromise in the performance of the cable.
X-TUBE with Aircore™ technology exhibits much lower self-inductance and is therefore less affected by this problem. The use of an innovative Polyethylene aircore enables a reduction in loop inductance to levels only usually achievable by using more costly and difficult to terminate cables.
See options at the bottom of the page for terminations
