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 …

Power Supply Unit Hiper Type M900 Review

The market of power supply units is full of beneficial options from a range of designers. Some of them are resplendent with new products rather often, the others release the units rather seldom but right on target. Hiper belongs exactly to the last mentioned designers, rejoicing its potential customers with only high-quality solutions. PSU Hiper Type M900 is a worthy representative of M series that is known to be efficient in the majority of operational modes. Let’s review this model in more details.



General Information


Hiper Type M900 is delivered in a small-sized cardbox with a convenient handle. The unit itself is housed in a matte black case with a spacious ventilation grid covering a high-performance fan. All key specifications can be found at the unit’s case: +12VDC rail is able to handle 900 W power at 75 A; the correlation of power on +12VDC rail with the total power makes up the maximal 1.0 index.


Sockets and Connectors


This power supply unit …

MSI Showcases R9 280X Gaming 3G LE Graphics Card with Under-Frequency

MSI Gaming lineup of graphics cards is currently rich in numerous models targeting gamers with any taste and budget. Nonetheless, the company never stops pleasing its fans, so the appearance of a new R9 280X Gaming 3G LE (Light Edition) card is quite viable. The new-comer is much alike its predecessor — R9 280X Gaming 3G, released last autumn, — but features reduced frequencies. The other specifications are almost identical.



MSI R9 280X Gaming 3G LE is based on AMD Radeon R9 280X GPU. Its modified frequency chart looks the following way: nominal clock frequency in Silent/Gaming/OC mode makes up 860 MHz, whereas dynamic clock frequency differs, depending on the mode. Hence, in Silent mode it equals to 1000 MHz, in Gaming mode – to 1010 MHz, and in OC mode – to 1020 MHz. Just to compare, the predecessor boasts some 1000 MHz nominal and 1050 MHz dynamic index.


The layout of the graphics card involves 3 GB of GDDR5 memory (384-bit bus) that runs at 6 GHz, Military …
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Registered at: 17 June 2011, 04:40
Last visit: 18 June 2011, 16:18