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QED - Reference Digital Audio 40 Interconnect – 3.0m - "NA"

Model: AAV-SIG-AUD-40-3M
SKU: 13063354

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About this product

The groundbreaking Signature Audio 40 analogue audio interconnect celebrates QED's 40 years at the forefront of British designed audio cables. Signature Audio 40 is a completely new design concept from QED laboratories, developed with low capacitance cordage to preserve high-fidelity audio. The innovative Complementary Conductor Technology™ ensures high-frequency detail is retained, while the Analoc2™ connector design enhances signal integrity by eliminating distortions caused by eddy currents. Additional features include cryogenic treatment of the cable to enhance tonal quality, a Teflon dielectric to reduce capacitance-induced signal loss, and a rhodium-plated, high-purity copper connector for long-term contact reliability. The cable's geometry and shielding also ensure electromagnetic noise rejection, making this one of the most advanced interconnects QED has ever produced. The Signature Audio 40 offers premium materials and performance, combining science-backed engineering with audiophile-grade components to enhance any high-end audio system.

Features

  • Features:

    Complementary Conductor Technology for high-frequency clarity

  • Cryogenic treatment for improved tonal quality

  • Teflon dielectric to minimize signal loss

  • Analoc2™ connectors to reduce eddy current distortion

  • 100% electromagnetic shielding for signal purity

    100% electromagnetic shielding for signal purity

Specifications

  • Cable Length
    9.84 feet
    Connector Type (End 1)
    Bare wire
    Connector Type (End 2)
    Bare wire
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QED - Reference Digital Audio 40 Interconnect – 3.0m - "NA"
QED - Reference Digital Audio 40 Interconnect – 3.0m - "NA"

The groundbreaking Signature Audio 40 analogue audio interconnect celebrates QED's 40 years at the forefront of British designed audio cables. Signature Audio 40 is a completely new design concept from QED laboratories, developed with low capacitance cordage to preserve high-fidelity audio. The innovative Complementary Conductor Technology™ ensures high-frequency detail is retained, while the Analoc2™ connector design enhances signal integrity by eliminating distortions caused by eddy currents. Additional features include cryogenic treatment of the cable to enhance tonal quality, a Teflon dielectric to reduce capacitance-induced signal loss, and a rhodium-plated, high-purity copper connector for long-term contact reliability. The cable's geometry and shielding also ensure electromagnetic noise rejection, making this one of the most advanced interconnects QED has ever produced. The Signature Audio 40 offers premium materials and performance, combining science-backed engineering with audiophile-grade components to enhance any high-end audio system.

QED - Reference Audio 40 Interconnect – 3.0m - "NA"

The QED Reference Audio 40 represents a significant advancement in analogue interconnect technology, building on the success of the original Analoc™ design. The new Analoc2™ plug design eliminates all conductive material from the plug bodies to ensure minimal signal distortion and superior audio fidelity. With over 45 years of cable design expertise, QED has engineered this cable using advanced geometry and materials including Silver Plated 99.999% Oxygen Free Copper (SPOFC) conductors, high rigidity thermoplastics, and a Zn/Mn Ferrite jacket for high-frequency noise absorption. The result is a refined, dynamic, and transparent sonic performance. Multiple industry awards affirm its exceptional sound quality, making it an outstanding choice for serious audio enthusiasts.

QED - Performance Digital Audio Interconnect – 1.0m - "NA"

The multi award-winning Performance Digital Audio cable by QED is expertly designed for use with CD players, Blu-ray™ players, or any SPDIF-compatible source. It connects seamlessly to your DAC or AV amplifier’s digital input to provide a clean, stable signal path. QED follows a top-down design philosophy, meaning even their more affordable Performance range benefits from design cues found in the premium Signature line. This includes the use of 99.999% Oxygen Free Copper conductors and twin-layer electrical screening for superior signal protection and fidelity. Engineered with precision and attention to detail, this cable offers excellent value and consistent performance. It’s a reliable choice for those seeking improved digital audio quality.

QED - Performance Audio 40 Interconnect – 3.0m - "NA"

Performance Audio 40i builds on the success of its predecessor, offering an even more refined and immersive listening experience. Leveraging insights from the QED Genesis Report and utilizing innovative Solid Complementary Conductors, the cable effectively separates audio signals for reduced interference and increased clarity. Engineered with a combination of oxygen-free and silver-plated copper conductors of varying diameters, this interconnect delivers greater scale and dimensionality. Complemented by a ferrite jacket and foamed polyethylene dielectric, it ensures optimal signal fidelity. Praised by industry reviewers for its transparency, dynamic response, and excellent value, the Audio 40i is an award-winning solution for audiophiles who demand high performance from their hi-fi systems.

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