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Signature Audio 40 is an entirely new design concept from QED laboratories. The cordage is designed primarily for low capacitance as this has been identified by QED as a significant factor leading to a high fidelity experience and makes for a tight sound retaining the rhythm of the original piece. Add our Complementary Conductor TechnologyTM for high frequency detail and our Analoc TechnologyTM to maximise signal integrity and the result is what we feel to be the most innovative interconnect ever made by QED. Please see our 'cables matter' section below for more in-depth information on this ground breaking design.
There’s no denying QED’s leading role in the British cable market over the past 40 years – a whole nation of audiophiles grew up with QED 79-strand speaker cable in the eighties, likely between a NAD amp and a pair of KEF Codas! To commemorate its anniversary, it has a new range of interconnects. Between you and me dear reader, word is that they were developed after HFC’s epic 12-way interconnect Group Test that ran in issue 362 back in 2012; QED took a good listen to the winners and came back with this.
The Signature 40 is a beautifully packaged product, and immaculately turned out with its translucent sheathing showing the braided electromagnetic shielding around it. QED’s beautiful Rhodium-plated Analoc plugs look like jewellery, and are said to provide a high-purity copper connection without the use of bulky brass plug bodies.
They’re soldered to silver-plated 99.999% oxygen-free copper conductors in a Teflon dielectric, in an asymmetric twisted pair configuration and a Zn/ Mn ferrite jacket is used. Finally the whole cable is cryogenically treated.
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