The journey to XT25.....

The QED speaker cable story began in 1973, with the launch of the world’s first specialist speaker cables, QED 42 and 79 strand, now household names in the audio industry. Building on this longstanding British speaker cable heritage, QED embarked on an exhaustive research program into cable parameters which began in 1995 and continues into 2017 with the release of “The Sound of Science”, a 40 page White Paper distilling the research published since 1973 by QED.

These reports set out the “top down” design-principles that have resulted most recently in the development of QED XT25 loudspeaker cable – the new class leading standard in budget to mid-range speaker cables.

Specification

Cross-sectional area - 2.5 mm2
Wire gauge - 14 AWG
Jacket outside diameter - 3.96 mm
Loop inductance - 0.52 µH/m
Loop resistance - 13.4 mO/m
Capacitance - 35.0 pF/m
Dissipation factor @ 10 kHz - 0.0001
Conductors - 10 x 19/0.13 mm
Insulation - LDPE jacket with 100% coverage of Aluminium Mylar tape wrap
Plugs and spades - QED Airloc™ Forte banana plugs

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As befits a company rapidly closing in on its fifth decades at the forefront of speaker cable design, QED’s brand new XT40i speaker cable builds on the formidable reputation of the XT40 cable it replaces and offers a decisive step up in sound quality.

This pure oxygen-free copper cable uses an evolution of QED’s established X-Tube technology to guarantee superb timing and stereo imaging, and adds the brand new and highly innovative Air Gap dielectric to bring unheard-of rhythmic accuracy and musicality to a cable of this modest price. Very low DC resistance adds unrivalled frequency response to XT40i’s already potent audio capability. The result is a cable that advances on the class-leading standards set by its predecessor.

We urge you to audition XT40i - we’re confident you’ll agree it even outperforms alternative cables at many times the price. Prepare to be surprised and delighted.

• Outside diameter: 6 x 14 mm
• Conductor area: 4 mm²
• Dielectric properties: Air Gap (ε_r = 2.4)
• Conductor chemistry: 99.999% oxygen-free copper
• Dielectric properties: Air Gap
• Loop resistance: 8.0 mΩ/m
• Parallel capacitance: 35 pF/m
• Dissipation factor @ 10kHz: 0.0295
• Self-inductance: 0.57 μH/m
• Gauge: 12 AWG

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QED Connect is a range of great value AV cables and adapters, custom-designed to deliver the best performance at an affordable price. Whether connecting to your TV, hi-fi or home cinema system or mobile device - such as smartphones, laptop, tablet, headphones or portable DACs - the indispensable Connect series covers every audio-visual connectivity base, whether at home or on-the-go.

Designed in the UK, the entire range boasts a stylish satin black finish, wrapped with a soft but durable, ultra-flexible PVC jacket primed for home or mobile use. Each cable (where applicable) features custom-moulded, 24K gold plated QED connectors and plugs for noise-free, long-life connectivity and 99.99% oxygen free copper conductors for reliable signal transfer. Each QED Connect cable comes in a variety of lengths with the entire range arriving in minimal, fully biodegradable packaging.

• USB 2.0 compliant
• Satin black 4.0 mm OD PVC jacket for ultra-flexibility
• 24K gold plated QED USB plugs for noise-free long-life connectivity a secure reliable fit
• 99.99% Oxygen Free Copper conductors for reliable signal transfer

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