Today, when the projectors and DC in the homes are no longer a rarity, it becomes more and more urgent the need for long HDMI-cable. However, as moodiness HDMI-connection has become almost a byword, mistaken with a choice of cable, especially long, does not want. We managed to test in one of the options – a 15-meter cable HDMI 1.4E domestic firms Tchernov Audio.

Note that although the model is made in China, it developed here in Russia. Structurally, the cable consists of five single-wire twisted pair of copper wires in air-porous polyethylene insulation (CAFPE) and seven service stranded conductors in polyethylene, and polyethylene insulators used in high purity, without artificial polymerization accelerators – domestic production. Copper ore produced from the Urals and passes electrolytic cleaning.

In contrast to the commonly held view that the quality of the copper is determined by how little oxygen in it, in Tchernov Audio is considered more important to minimize the content of substances such as silicon, sulfur, germanium, arsenic, etc., And therefore bought for their products electrical copper desired chemical composition (BRC). Protection against harmful interference provide individual and overall shielding copper foil based on PET, as well as external braid BRC density of more than 80%. Thanks to these technological solutions can successfully transmit cable video with Full HD resolution and 4K at a distance of 20 meters without the use of active repeaters.

To test the cable into the real work we have joined with the help of BD-player and projector SIM2 M.120, and then to compare the model instead Tchernov Audio used our usual HDMI-cable of the same length and with equal value. Of course, we are aware that the evaluation of any conductor to transmit digital information many “skeptics, materialists” can be perceived ironic. Nevertheless doubters can check our own conclusions. The film “Cane toads: Occupation” is impressive not only because of the voice acting effervescent Ivan Ohlobystina, but also a clear, detailed picture – and it’s a given that the theme of the film would not really interested in the Russian audience. Cable gives the image a slightly higher contrast and sometimes if it adds volume. This is clearly noticeable, for example, in the film “Angels and Demons”: the scene in St. Peter. Peter and the Sistine Chapel cause more emotional stress than when using other HDMI-cable having a softer image.

The only comment we have was the fact that because the cable is quite thick and heavy, with the installation of equipment necessary to ensure that no mechanical stress on the HDMI-connector. But in general it can be recommended to fans of home cinema.

Price: $ 50 (0.6 m)

PROS: Careful design, image contrast and sharper than with some other cables

CONS: Nothing significant

Verdict: An excellent solution to create a DC-based projector, just need to take care of fixing the cable ends

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A few years ago it was difficult to find an alternative to cheap staffing cord that came with the manufacturers or DAC Headphone Amplifier (sometimes quite expensive) with USB-in. Meanwhile, the first audition convinced us that the sad phenomenon concerning the dependence of the sound of digital audio interfaces from the connector remains relevant, despite the fact that the information is transmitted via USB quite differently. We shared our experiences with Graham Nolte Vlack of Rhodium and after a few years the company has released a USB-cables own design.

Simple solutions…

In addition to better conductor materials, screen and connector, the company used two simple technology. Mechanical damping vibrations that occur when using audio and transmitted to charge USB-receiver and DAC supplemented by radio interference filters at both ends of the wires – they prevent the passage of high-frequency interference from the computer to the DAC.

Overview of USB-cable Vlack Rhodium Star USB: Vlack Rhodium provides updated information

Cable Vlack Rhodium Star comes with a length of 1, 1.5 or 2 m

… often work

Yes, and no matter what file format you’re playing on a PC. The difference is significant even in comparison with a very stout, but significantly cheaper cable Supra USB, not to mention the usual computer cords.

Scherzo of Tchaikovsky’s Fourth Symphony significantly benefit from more accurate placement of rhythmic and dynamic accents Orchestra under Valery Gergiev ceases to seem machine that constantly puts on an icy road. “Requiem” by Mozart in DSD format takes the drama and scale due to the excellent study of the bass, and improvements in the lower middle and top allow clearer chorus come out from the back room to the stage. But most importantly, you do not hear, and feel – lost some internal tension, listen to music easier and more joyful.

When the game is worth the candle

Depends on how much your DAC or headphone amplifier. If it is equipped with modern USB-receiver, but despite this, via USB, unlike SPDIF, plays “as something not very” best buy Vlack Rhodium, than to change the unit itself.

USB-cable (AB) Vlack Rhodium Star USB 1,5 m

Price: $ 225

Pros: better sound in all significant aspects: accuracy, rhythm, dynamics; becomes easier to listen to music

Cons: None, but if you’re a sysadmin, your confusion about the price we can understand

Verdict: Will your USB-DAC tune to a whole new level

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