AudioQuest Coffee USB Cable (USB-A to USB-B)
AudioQuest Coffee USB Cable (USB-A to USB-B)

AudioQuest Coffee USB Cable (USB-A to USB-B)

Sale price$625.00
Length: 0.75m (Pre-Order)

Pickup available at Audio Connection

Usually ready in 5+ days

AudioQuest Coffee USB Cable (USB-A to USB-B)

AudioQuest Coffee USB Cable (USB-A to USB-B)

0.75m (Pre-Order)

Audio Connection

Pickup available, usually ready in 5+ days

515 Parramatta Road
Leichhardt NSW 2040
Australia

+61295610788

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AudioQuest Coffee USB Cable (USB-A to USB-B)

USB-A to USB-B only

In 1982, Sony introduced us to "Perfect sound forever" and the notion that "it's just digital, so all CD players sound the same." However, this belief was eventually debunked, and the recognition of qualitative differences between players became widely accepted. The advent of separate transport and DAC combinations followed, bringing along the idea that "all S/PDIF digital audio cables sound the same," until this too was disproven. Now, the frontier has shifted once more. Is digital audio truly just ones and zeros? We don't subscribe to that belief, and once you've had the opportunity to experience Diamond USB, you'll likely share our perspective.

CARBON-BASED 3-LAYER NOISE-DISSIPATION SYSTEM (NDS)
It's easy to accomplish 100% shield coverage. Preventing captured Radio Frequency Interference (RFI) from modulating the equipment's ground reference requires AQ's Noise-Dissipation System (NDS). Traditional shield systems typically absorb and then drain noise/RF energy to component ground, modulating and distorting the critical "reference" ground plane, which in turn causes a distortion of the signal. NDS's alternating layers of metal and carbon-loaded synthetics "shield the shield," absorbing and reflecting most of this noise/RF energy before it reaches the layer attached to ground.

DIELECTRIC-BIAS SYSTEM WITH RADIO FREQUENCY TRAP
All insulation between two or more conductors is also a dielectric whose properties will affect the integrity of the signal. When the dielectric is unbiased, dielectric-involvement (absorption and non-linear release of energy) causes different amounts of time delay (phase shift) for different frequencies and energy levels, which is a real problem for very time-sensitive multi-octave audio. The inclusion of an RF Trap (developed for AudioQuest’s Niagara Series of power products), ensures that radio-frequency noise will not be induced into the signal conductors from the DBS field elements. (DBS, US Pat #s 7,126,055 & 7,872,195 B1)

HARD-CELL FOAM INSULATION
Hard-Cell Foam (HCF) Insulation ensures critical signal-pair geometry. Any solid material adjacent to a conductor is actually part of an imperfect circuit. Wire insulation and circuit board materials all absorb energy. Some of this energy is stored and then released as distortion. Hard-Cell Foam Insulation is similar to the Foamed-PE used in our more affordable Bridges & Falls cables, and is nitrogen-injected to create air pockets. Because nitrogen (like air) does not absorb energy and therefore does not release any energy from or into the conductor, distortion is reduced. In addition, the stiffness of the material allows the cable's conductors to maintain a stable relationship along the cable's full length, producing a stable impedance character and further minimizing distortion.

ALL CONDUCTORS CONTROLLED FOR RF NOISE DIRECTIONALITY

SOLID 10% SILVER CONDUCTORS
Solid conductors minimize the harmful effects of both electrical and magnetic strand-to-strand interaction. For digital cables, whose signals are of such high frequency that they travel almost exclusively on the surface of the conductor, increasingly thick layers of silver plating are applied to AudioQuest’s Long-Grain Copper (LGC) conductors to further improve Noise-Dissipation. Placing the superior metal on the outside of the conductor produces the greatest benefit on overall performance—a superbly cost-effective way to maximize a digital cable.

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