QED Signature Genesis Silver Spiral Speaker Cable.

2x 2.5 Metre’s Professionally Terminated QED Genesis Cable

(You are buying 2x single lengths of 2.5 metre’s of Genesis Cable, Terminated with QED Forte Metal Plugs)

QED's award winning audiophile-grade Genesis speaker cable is the result of over 40 years scientific research & development into the speaker cable world.

Silver Spiral's exceptionally low resistance allows amplifiers to exert outstanding grip and control over the speakers they're driving, especially at low frequencies.

• This isn't just another speaker cable it's a high performance audio component.

FEATURES & BENEFITS

AIRCORE TECHNOLOGY

QED cables above 2.5 mm2 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.

• Unique triple concentric spiral geometry

• Concentric screen technology

• For interference immunity

• 9 bunches of silver plated 99.999% oxygen free copper conductors

• Deliver exceptionally low resistance

WHAT IS AIRLOC™?

Airloc™ is a form of cold weld system that can be used to permanently attach QED Forté™ banana plugs or spade terminals to our entire range of speaker cables.

One of the main reasons for choosing a QED speaker cable is the superior d.c. resistance characteristics offered by our exclusive use of 99.999% oxygen free copper conductors.

It seems a shame then to ruin all this attention to detail by neglecting the most vulnerable area of the speaker cable chain - that of the physical interface between cable and amplifier or speaker terminals.

Seen under a microscope the surface of a typical copper strand is very rough and so using normal screw type terminals - as found on binding posts or cheap banana plugs - electrical contact is only made in a relatively small number of places.

Add to this a layer of oxidation - which is inevitable if copper is exposed to the air for even a short time - and the combined resistance of the cable and its termination can creep back up to levels present in a more inferior cable.

By using a cold weld crimp type termination Airloc™ plugs squash the conductors and plug together to improve contact area and reduce resistance.

By the time the full pressure has been applied the resistance of the joint has reached a minimum value.

Now, because all the air has been removed from the joint there will be no oxidisation of the contact surfaces so the low resistance will remain for the lifetime of the cable.

During the cold weld process the cable and plug become one solid piece of metal.

FEATURES AND BENEFITS OF AIRLOC BY QED

• High performance low density polyethylene dielectric

• Cuts down on the amount of audio signal energy lost due to cable capacitance

• Airloc Metal 4mm Banana Plug

• AIRLOC is QED's award winning loudspeaker cable termination method using specialist equipment.

• Put simply, this is the best termination method to use with QED loudspeaker cables. The science and engineering of loudspeaker cable doesn't stop with the cable

• Plugs are gold plated to eliminate oxidization, ensuring a life-long low resistance connection

• 24k Gold plated

• High copper brass body

• AirlocTM cold weld system

• Fits 6 mm and 8 mm binding posts

• Minimum cable size 0.75 mm2

• Maximum cable size 5.5 mm2

• Accepts entire QED cable range

• Colour-coded metal barrels

• Available in red, black, yellow and blue

New strengthened plug

The new Forté plug pin section is designed to maximise contact area throughout the wide tolerance range encountered in 4 mm amplifier and speaker sockets.

Here, some are quite tight whereas others are loose, so the spring loaded Forté blade is designed to fit into smaller and larger sockets with equal insertion force.

This means that the contact area is maximised and the connection remains uniformly tight.

Specifications

• Wire gauge - 10 AWG

• Silver plated 99.999% Oxygen Free Copper conductors

• Aircore™ Technology

• Jacket OD 16.60 mm

• Cross-sectional area - 5.50 mm2

• Loop resistance - 0.006 Ω/m

• Capacitance - 76 pF/m

• Inductance - 0.46 µH/m

• Dissipation factor - 0.0070

• Recommended for high end installations

• Stranded Diameter - 3.25 mm (min)

• Suitable for ABS, Metal & Maxi Airloc

THIS CABLE IS USED FOR

CONNECT YOUR…

• Hi-fi
• Home theatre systems
• Stereo Amplifier

TO YOUR….

• Speakers

Why Cables Matter

Genesis Silver Spiral speaker cable is the audiophile-grade QED speaker cable and benefits from a period of intense research and development known as the Genesis Report.

Genesis Silver Spiral is a speaker cable with a large cross-sectional area which makes for a very low resistance. This means that the voltage drop across the cable when in use will be so small that it will not have an audible affect on the frequency response of the loudspeakers - unlike cables with a much higher resistance.

In addition this has the effect of helping to maintain the damping factor of the amplifier when compared to that measured using cables with a smaller cross-sectional area and therefore higher resistance. Damping factor is a measure of the amplifier's ability to accurately control speaker excursions - especially at their resonant frequency.

If it is not allowed to do this effectively, distortion can be introduced into the program material. Genesis speaker cable allows the amplifier to accelerate and decelerate the speaker accurately - reducing distortion.

Thus low frequency information in the program material is conveyed accurately to the speakers and bass notes sound tight and punchy with no tendency to become "boomy".

Having a large cross-sectional area and reduced resistance would normally give rise to a corresponding increase in loop inductance (and therefore inductive reactance) due to the conductors being more widely spaced.

Having a high self-inductance is not usually desirable in a speaker cable as it can affect high frequency performance and introduce an attendant phase shift at those frequencies (at the same time as decreasing the amplifier's ability to correct high frequency distortion components appearing at the speaker terminals).

Genesis Silver Spiral speaker cable has a special tubular construction utilising a central air core which effectively reduces the loop inductance of the cable to that of a cable with half the cross-sectional area.

This enables the cable to retain its advantage in dealing with transients with no corresponding loss of accuracy and detail at high frequencies.

Genesis is able to effectively overcome the skin effect that occurs at high frequencies in cables of large cross-sectional area. This is the effect that causes high frequencies to be carried more effectively in the outer portion of the conductor thus effectively increasing the cable impedance at those frequencies.

By having many smaller individually insulated conductors to add up to a large cross sectional area, more of the available conductor area is utilised at high frequencies.

At the same time each individual strand is silver plated to ensure that the resistance at the surface of each conductor is as low as possible.

It is desirable to keep the capacitance of a speaker cable as low as possible as a high capacitance cable can cause instability in some amplifiers and the Genesis cable achieves this by using insulating materials with very low dielectric constants.

Thus for any ordinary speaker cable with the same conductor spacing and cross-sectional area Genesis Silver Spiral will be found to have a significantly lower capacitance per meter.

K6Believes

We, here at K6Believes, Try to ensure that our customers are completely satisfied and receive an excellent eBay experience. If you have any issues at all, please do not hesitate to contact us before opening a case.

• We will always aim to do the best to resolve any issues. We will only pay the return delivery costs if the item was delivered wrong or it is faulty out of the box.

• Any valid purchase made from us that carries a warranty, is ONLY valid in the UK. Therefore, if you have any problem that is covered by your warranty, you will have to return the item to us in the UK, at your cost.

• The returns process must be started within 30 days of your initial order.

• We ask all items returned (in inner box) must be complete with original intact packaging.

• No rips or tears in any of the wrapping, styrofoam, plastic bag’s where accessories have been stored / instructions / batteries (if any) have been wrapped in.

• Any items that are damaged or have parts and accessories missing, will be subject to a re-stocking fee or in some cases even rejected.

• Please ensure you contact us before returning the item to obtain a returns reference. Please ensure you include your name, eBay ID, and the reason for the return, this will speed up any refund process.

Domestic Shipping

We provide delivery for Free, using Royal Mail, on all of our UK orders, as long as you complete your order before 1.45pm (Monday - Friday, Excluding Bank holidays).

International Shipping

We have started to use eBay’s Global Shipping Programme (GSP). This has been recommended for its costs and efficiency for both ourselves and you the Customer.

These items will be sent to a Global Shipping Programme (GSP) depot in the UK by ourselves, then the GSP will then take over the shipping process.

• Returned items will be paid for by the buyer, unless agreed it would be covered by the seller.

Multiple items bought together, will be bundled into 1 Parcel

(if Size or Weight allows, we will try our best to bundle items together)