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Performance Digital Audio
QED’s multi award winning Coaxial Optical digital audio cable
The multi award winning Performance Digital Audio cable is designed for connections between CD players, Blu-rayTM players or any other SPDIF source to your DAC or AV amplifier digital input. The QED design principle is to use a top down approach so this Performance cable shares many of the design characteristics of the top of the range Signature cable. In this instance the Performance cable uses Oxygen Free Copper conductors and twin electrical screening for enhanced signal integrity.
OVERALL PERFORMANCE
Very Low Jitter
Jitter is the undesired deviation from true periodicity of an assumed periodic signal in electronics and telecommunications, often in relation to a reference clock source. A cable displaying very low jitter has been measured at
typically 50ps.
FEATURES AND BENEFITS
OXYGEN FREE COPPER CONDUCTORS
99.999% Oxygen free copper for minimised signal attenuation.
OPTIMISED COAXIAL DESIGN
True 75? ± 2% characteristic impedance co-axial construction – for low jitter data transmission
24k GOLD PLATED RCA PLUGS
Precision engineered plug with integrated user grip. Six leaf 24k gold RCA ground ring for a stable ground connection
ENHANCED SIGNAL PROTECTION
Twin electrical screening for enhanced signal integrity
This QED cable comes with a two year warranty
QED Performance Coaxial review
Best Buy Awards. Impressive coaxial cable
What Hi-Fi? Verdict
Best Buy Awards . Impressive cable – level of detail, subtlety and scale are superb. There’s plenty of punch and attack, too.
Pros
- +Twin electrical screening
- +clean vibrant and detailed sound
Cons
- -Nothing
This is the first time in five years that we’ve decided to give Awards both to optical and coaxial digital leads. And, as in 2007, it’s QED that provides a winner in the shape of its excellent Performance cable.
With a purple trunk, dark-chrome plugs and gold-plated connectors, it looks flamboyant – and that panache extends to its performance.
It’s assertive, but good at conveying subtleties. The sound is clean and vibrant. There’s a good sense of energy too, with plenty of attack.
This is an excellent all-rounder and a better performer than many pricier alternatives. You’d have to spend significantly more to get a noticeable improvement, and even then you’d struggle to find better value for money.
