Review of Headphones AKG K451

Traditional headphones do not lose their topicality even with the development of high technologies and with the emergence of ever newer gadgets. This fact can be easily explained by their comfort in usage and portability. Headphones are designated for usage in home conditions as well as outdoors or in transport. This accessory is usually bantam, and can be, with certainty, attributed to the class of universal devices. Headphones AKG K451 may be connected practically with any device, starting from MP3 stereo, audio system, and finishing with PC, laptop or iPad.


Basic Features of AKG K451


Headphones AKG K451 are accredited to the class of wired accessories with the bandwidth from 11 to 29000 Hz. Heightened susceptibility of headphones, which reaches up to 126 dB/mW, is considered to be quite an attractive peculiarity. Such susceptibility means that the sounding will be played back with the optimal legibility and volume even if the volume button at the device is set for …

Acer Continues to Release Ready-Assembled PCs and Produces Aspire XC-730

A new product by Acer resembles a nettop in appearance. However, taking into account its 419.5 × 100 × 291.6 mm dimensions, we should not concern it to be of this type of devices. This is about Aspire XC-730, operated by the preinstalled Windows 10 Home (64-bit) OS.



The system is based on the 4-core Intel Apollo Lake Pentium J4205 processor with 1.5–2.6 GHz actual frequency. The Acer Aspire XC-730 features 2 MB of cache SM, DDR4/DDR3L RAM dual-channel controller and an Intel HD 505 graphics solution. The CPU cooling system is likely to be passive; and the side panel holes provide additional chilling of inner components without the need in extra fans. The volume of RAM memory equals to 4 GB, though, can be extended to 8 GB. The HDD capacity is 1 TB at 7,200 rpm.


The novelty from Acer is equipped with a DVD-writer, an HDMI, a DisplayPort, a D-Sub, audio and four USB 3.0 ports, as well as with a Gigabit Ethernet slot and Wi-Fi adapter. The power consumption rate of this PC …

Radeon HD 7990: postponed, can not be executed

Nvidia's half hearted established the supply of dual-chipset videoadapter GeForce GTX 690. In turn, the competing Radeon HD 7990 is seriously delayed, although previously the release for late July was planned.



According to new information, AMD will officially unveil the video card, code-named New Zealand in the second half of August. Non-reference Radeon HD 7970 X2 from HIS, PowerColor and other AMD exclusive partners will debut, apparently, even later.


Most likely, Radeon HD 7990 will be announced at the annual exhibition Gamescom (Cologne) 16 to August 19. This is one of the few Premier Advanced Micro Devices, which will take place on the European continent: usually the company prefers to organize similar events in their home countries or in countries in South-east Asia.


Radeon HD 7990 GPU is equipped with two Tahiti XT (2x 2048 shader, 2x 128 TMU, 2x 32 ROP), two 384-bit memory buses and 2x 3 GB of RAM on-board of type GDDR5. Among other things, the card will …
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Registered at: 01 July 2011, 00:18
Last visit: 17 October 2011, 11:21