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    Home » Audio Cables » All Phono/RCA Cables » QED Reference Audio 40 Cable CUSTOM LENGTH

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    QED Reference Audio 40 Cable CUSTOM LENGTH
    SKU: QE2457

    Average Customer Rating
    (3 Reviews)
    Usually dispatched within: 24 Hours
    Warranty: Lifetime UK Warranty
    FREE UK DELIVERY: For Orders Over £99
    Price - Custom Options:
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    The revolutionary Reference Audio 40 analogue audio interconnect celebrates QED'S 40 years at the forefront of British designed audio cables.

    The Audio 40 cable range is an entirely new design concept from QED labs. The cordage is designed primarily for low capacitance as this has been identified by QED as a significant factor which leads to a high fidelity experience, making for a tight sound and retaining the rhythm of the original piece. Add there Complementary Conductor TechnologyTM for high frequency detail and there Analoc TechnologyTM to maximise signal integrity and the result is what they feel to be the most innovative interconnect ever made by QED.

    Complimentary Conductor TechnologyTM

    This innovation utilises two conductors of different diameters to carry the same audio signal. This has the effect of providing an alternative path for high frequency audio components which might otherwise become time smeared in a single audio pathway.

    Foamed Polyethylene Dielectric

    Foamed Polyethylene has a low dielectric constant and has been used to cut down on the amount of audio signal energy lost due to cable capacitance.

    ANALOC Locking RCA Plugs

    The new QED Analoc™ plug is a low eddy current design featuring small high purity copper conductors in place of the usual large volume brass body found in ordinary high quality plugs. This cuts down or eliminates the tendency for the changing magnetic field in the conductor to induce eddy currents which can affect the micro-timing of the audio signal.

    "QED Interconnect brings fantastic depth and dimension. Bass notes appear to plunge deeper and there's a meaty, mature tone to the music, but not at the expense of control or agility. Tunes are engaging and balanced with an impressive level of detail." What Hi-Fi Sound & Vision June 2014


    • QED Reference Audio 40 Cable

    • Length: Custom Length

    • Silver Plated 99.999% Oxygen Free Copper (SPOFC) conductors with LDPE dielectric Asymmetrical twisted pair geometry

    • OFC shield giving 100% electromagnetic screening

    • Zn/Mn ferrite Jacket

    • Gold plated QED ‘Analoc ™’ RCA plugs

    • Capacitance: 76pF/m

    • Inductance: 0.37uH/m

    • Loop resistance: 0.072 Ω/m

    • Dissipation Factor: 0.0059

    • Lifetime Warranty


    We are pleased to offer a free cable burn-in service for this cable when purchased through us. The Nordost VIDAR cable burn-in machine combines three different functions all in one operation:

    • It neutralises charges that build up around the cables and the insulation

    • It provides a very wide band and deep conditioning into the conductor core, which produces changes in the way signals pass through the metal.

    • It ultrasonically conditions the surface of the conductors.

    • The VIDAR uses a proprietary combination of composite and complex signals to condition the cables. Parts of the signal oscillate at ultra-low frequencies, while other parts are in ultra-high ranges which extend beyond the range of video frequencies. The signal bounces in a ping-ping ball-like fashion from one end of the cable to the other. During the burn-in process, ultra-low frequencies penetrate deep into the core of the cable. The ultra-high frequencies zip along the surface. This method of signal transmission a set up beat harmonics, or heterodynes, between the two complex waveforms. In the digital domain, this would be referred to as aliasing products. These beat frequencies penetrate all layers of the cable.

      The design of the circuitry also has a unique feature which drives electrons above the conductor into the dielectric (or insulation) area. The VIDAR not only sends ping pong signals along the cable, it also sends a similar signal from the centre core to the outer shield in the case of interconnect cables. This function neutralises the electrical charges discussed above.

      So what does that all mean to me?
      The end result of conditioning cables with the Nordost VIDAR is improved sound staging, increased detail, and an overall more musical presentation.


    Product Summary

    Product:  QED Reference Audio 40 Cable CUSTOM LENGTH
    EAN:  5036694037331
    Price:  94.95 GBP
    Condition:  New
    Availability:  Yes
    Availability: In Stock
    QED Reference Audio 40 Cable CUSTOM LENGTH
    Product Reviews for QED Reference Audio 40 Cable CUSTOM LENGTH
    SKU: QE2457

    Average Customer Rating: 5 out of 5 stars.
    Based on 3 ratings from 3 reviews.
    Product Reviewed: QED Reference Audio 40 Cable CUSTOM LENGTH
    Submitted By: on
    This cable proved to be an excellent alternative to Kimber Kable open-weave cables as all coaxials sounded shut-in and compressed in comparison driving a valve power amp as well as proneness to noise pick-up near plasma TVs and HDMI leads. The Reference 40 showed the openness of the Kimbre but with more detail and extension at both ends together with a smoother presentation. Very impressed.

    Rating: 5 of 5 Stars!  5 out of 5 stars.
    Product Reviewed: QED Reference Audio 40 Cable CUSTOM LENGTH
    Submitted By: on
    very smooth transaction, a pleasure to deal with.

    Rating: 5 of 5 Stars!  5 out of 5 stars.
    Product Reviewed: QED Reference Audio 40 Cable CUSTOM LENGTH
    Submitted By: on
    Upgraded my QED Qunex 2 with this cable. This has settled the argument for me once and for all about whether interconnect cables make a difference. This one sure did. In particular, previous complex compositions that occasionally tended toward becoming muddled now have great separation. I though my system was great before, but this has really been a worthwhile upgrade. A bit of luck - I only got it because I needed the extra length! Great improvement over my previous cable - a QED Qunex 2. Easy to tell the sound quality difference between the 2. Very good value for money. Cable construction appears to be well made - particularly the plugs. The lock on system works quite well. Cable is not as flexible as others. Great service too - less than a week for a custom length cable to be made by Futureshop and delivered all the way to New Zealand.

    Rating: 5 of 5 Stars!  5 out of 5 stars.
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