Invisible speakers result in seamless design

February 19th, 2010 by Dave@LGUK
 
The plasma screen 50ps6000 is one of many TVs that use invisible speakers

Advances in LCD and Plasma display technology have enabled manufacturers to build TVs and other consumer electronics that deliver superior picture quality from a thin, sleek enclosure. Unfortunately, the demand for smaller, more attractive technology has reduced manufacturers to squeezing tiny versions of speakers into a strip along the bottom or on the back so they don’t take up significant space. As a result, the audio quality has declined substantially in newer TVs and other display products

Subsequently as of 2009 all of LG’s plasma and LCD HDTV’s have been fitted with an invisible speaker system. Instead of traditional TV speakers that sit around the edge of the screen invisible speaker technology works using magnets that send vibrations through channels in the screen. The vibrations come from the screen and the cabinet itself, meaning your TV is one giant speaker.

The invisible speaker system is tuned by legendary audio expert Mark Levinson, and provides an enhanced auditory experience as the ‘sweet spot’ is increased which in turn provides a wider field of sound. The invisible speaker allows for LG’s ‘seamless design’ with decreased bezel width and a more aesthetically satisfying TV.

For more information on the pictured 50PS6000 click here

For Mark Levinson’s official site click here

To watch a short video on invisible speaker technology click here

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  • MCMLXXIII

    How to stop LG tv speakers vibrating?
    It's not as simple as it sounds is it because the cabinet is supposed to resonate by desig I have a workaround which works for my set LF7700

    If you think about it, the Cinema default EQ setting already increases Bass at default from flat.
    Then if you consider SRS Trusurround also adds Bass too therefore You're already going to give the tiny tv speakers a good going over even at relatively low volumes.
    Couple that with Freesat (which on my set is louder than all the other inputs) and then throw in BBC HD which has decent audio and it's probably no wonder it's crying at me with this vibration/buzzing.
    So what I've done is tweaked the Cinema setting as follows:

    SRS Trusurround : on (widens the soundstage nicely with these below on mine).

    Auto volume: off

    80hz = (0)
    220hz = (-1)
    470hz = (0)
    1khz = -(1)
    2.2khz= (1)
    4.7khz(1)
    12khz= (1)

    I appreciate different room sizes/environments etc, but I honestly have it at 40 volume for the first time with no distortion. It's also giving me decent levels of bass and treble after trying in addition to BBC HD, Clubland tv, FIVE to give me the broadest samples of broadcast content/sound levels.

    My work here is done..Call me Zane

  • Flat Screen TV Cabinet

    Greetings From Flat Screen TV Cabinet

  • LGBlogUK

    greetings :)

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