AC mains filter is meant to prevent unwanted signals to get into the mains when the equipment produces contaminations. They minimize transformer hum and protect your audio / video system against over voltage.
In our opinion, power cords have the most dramatic impact on the sound quality of the system. When choosing the right cables for your audio or video system, pay the most attention to the source - electricity!
Siltech primary focus is audio cables. At siltech everything is based on science and testing. This is one of the worlds leading audio cable manufacturer. They are handcrafted in Netherlands.
The products from this company are hand made in Germany. HMS not only produces audio cables, but also accessories and AC purifiers for your audio / video system. This company was founded in 1975 and since then it has received many rewards and achievements.
Nordost is the premier manufacturer of hifi audio cables and accessories in the consumer electronics industry, including analog and digital cables. Over the past two decades, Nordost has grown its product line from just one cutting-edge cable to an extensive, all-encompassing range of hifi audio solutions, including audio and video cables, power products, and resonance control devices.