Sony Bravia NX713 (KDL-40NX713) review: Sony Bravia NX713 (KDL-40NX713)

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The Good Stylish design; good standard-definition upscaling; sophisticated and natural colours; great black levels.

The Bad Below-par 3D performance.

The Bottom Line The 40-inch Sony Bravia KDL-40NX713 is a stylish LED TV that produces classy 2D pictures and has a wonderful line-up of Internet features. Just don't buy it for its 3D performance.

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8.3 Overall

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Sony's Bravia KDL-40NX713 is sort of a halfway house between the company's older line-up of 2D TVs and its new range of 3D models, due to launch soon. It's sold primarily as a 2D set, but it can be upgraded by purchasing an infrared transmitter and some 3D glasses.

This 40-inch, 1080p, LED-illuminated LCD TV is available for around £800, with the 3D transmitter costing an extra £50 and each pair of glasses setting you back about £100 each.

Big black box

There's little to fault when it comes to this TV's design. Thanks to its LED backlight, it's super-slim, measuring a mere 32mm deep, but it's the seamless layer of glass on the front of the TV that really impresses. It gives the set a sleek and modern appearance.

Sony has evenly split the arrangement of the four HDMI ports between the rear and one side of the set. Alongside these, you'll find the usual VGA, component and Scart sockets. The Scart connection requires you to use a small adaptor cable -- something that's becoming increasingly common on today's slim-line TVs.

Unusually, as well as a USB port and Ethernet socket, the TV has Wi-Fi connectivity, so you can connect it to your home network without the need to run any cables to the set.

The KDL-40NX713 can play back a range of different media formats, including JPEGs, MP3s and DviX files. We found it wouldn't play ball with MKV files, though, which is annoying, as this format is now supported on many other sets.

Along with the media-playback features, the TV also includes a pretty comprehensive line-up of Internet services, including BBC iPlayer, LoveFilm, Demand Five and Sony's own Qriocity movie- and music-subscription services. There are widgets for services like Twitter and Picasa too, so the set's Internet line-up is among the best you'll find on the current generation of TVs.

As you'd expect from a set in this price range, the TV has a Freeview HD tuner, giving you access to the various hi-def channels from the BBC, Channel 4 and ITV. The electronic programme guide is also one of the better ones around -- it's well laid out and includes a thumbnail view of the currently selected channel in the top left-hand corner.