큐이디 (QED) Genesis Silver Spiral
상품 설명
Genesis Silver
Spiral
QED’s flagship speaker cable. The award
winning Genesis Silver Spiral cable is the result of over 40 years of
scientific research and development into speaker cables
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 .This cable
represents the culmination of QED research and development over the past 40
years.
FEATURES AND BENEFITS
AIRCORE TECHNOLOGY™
QED cables above 2.5mm2 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
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9 bunches of silver plated 99.999% oxygen free copper conductors
Deliver exceptionally low resistance
Specifications
Silver plated 99.999% Oxygen Free Copper conductors
Aircore™ Technology
Jacket OD 16.60mm
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
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CABLES MATTER
Genesis Silver Spiral speaker cable is
the flagship 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).
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