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Good quality optical fiber with low jitter (Digital timing errors).
High precision fiber edge finishing.
Special PVC coating, suitable for customized installations.
Although new digital interfaces like HDMI, USB, FIREWIRE, or ETHERNET are becoming increasingly popular, they only cover a part of the current digital interconnection needs. Optical and coaxial-digital cables operate with the S/PDIF interface (Sony-Philips Digital Interface), a standard that appeared in 1983 with the advent of the CD. Over 30 years after their appearance, these cables remain some of the most used cables in electronic entertainment.
You may use an HDMI cable to connect a DVD player to an A/V receiver, however, Toslink is essential for connecting various set-top boxes, TVs, subwoofers, etc. With the addition of the "Mini-Toslink" (3.5mm) interface, the optical cable is used to receive the digital signal from MacBook laptops, as well as from the most advanced portable devices.
For these reasons, AudioQuest has revised and perfected all optical cables, which are available in Toslink-Toslink and Toslink - Mini Optical 3.5mm versions.
When the question is posed "how can an optical fiber affect sound?", the answer is simpler than it seems. In an ideal environment, a transmitted laser beam would reach its destination untouched, without losses or delays. The light transmitted through the Toslink interface is scattered due to imperfections and impurities in the optical fiber. These are measured as amplitude losses, however, the amplitude itself is not a problem. Even 50% amplitude losses will not have a noticeable impact on sound quality.
The problem arises when the scattered spectrum, instead of reaching its destination by the shortest path, reflects off the walls of the fiber, traveling a longer distance and arriving with a delay. This delayed portion of the signal causes insufficient decoding or even renders decoding impossible, having negative effects on sound.
Another problem is the construction of optical cables. Usually, the fiber has a relatively large diameter of about 1.0mm and the signal source - LED is also large, injecting light into the optical fiber at different angles, scattering the signal in all directions. A revolutionary solution adopted by AudioQuest that almost eliminates dispersion problems is the use of hundreds of smaller diameter optical fibers.
With smaller diameter, each tunnel gathers the injected light at a specific angle and transfers it without losses to its destination. Add to this technology the use of high-quality materials (polymers, quartz) and the results will be exceptional!
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.