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LCD,DLP vs CRT

Discussion in 'Projectors, Screens & Video Processors' started by timothywood, Jan 14, 2003.

  1. timothywood

    timothywood
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    Help needed. I am thinking of buying either a used CRT projector or a new LCD, DLP projector. My budget is around £3000. I am concerned that CRT projectors have a very low light output 140 ANSI rather than the others which seem to be 800+. Seems to be many positive reviews about new LCD/DLP's. Any impartial advice would be welcome. Viewing room has blinds which in summer do not totally block out light. I do not want to spend this kind of money and get it wrong. Shops seem to either specialise in CRT or DLP/LCD therefore difficult to see fair comparison.

    CRT seems to be a barco cine6, DLP is Sharp XV-Z90E, LCD perhaps PLV-Z1 - only £1500 ?!!
     
  2. Gary Lightfoot

    Gary Lightfoot
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    CRT give the best picture, but you'll probably need an external scaler or htpc to fully realise the potential. They have excellent black level and contrast ratio. Their main drawbacks are size and convergence which needs attention at regular intervals. Can take a while to warm up, and you need total light control. Although CRTs are apparently rated lower in lumens, I believe it actualy equates to the equivalent of around 500 lumens when compared to a digital pj - not sure why, just something I remember from somewhere.

    LCD has screendoor from less than 2x width viewing distance, and can suffer from stuck/dead pixels, green push, and grey blacks. Very easy to set up, but may need an external scaler depending on which model it is.

    DLP - less screendoor do can be viewd closer than LCD, older models can have slightly washed out colours/orange reds, dark greys instead of black, and the worst by-product of its' imaging system is the rainbow effect. Not everyone sees this though. Also easy to set up and may need an external scaler.

    There are a lot of home theater specific LCD/DLP projectors on the market within your price range that will do a great job out of the box, and can be found mentioned on this forum, so have a look back through the history.

    LCD is a little cheaper than DLP, but you really need to get demos of these projectors so that you know if you suffer from rainbows or if screendoor and dark greys are an issue for you.

    Despite the drawbacks of each projector type, you'll probably find you'll be more than happy with any of them at first glance, as the image quality for home cinema has improved enormously over the past year.

    For £3000 or less, there's a lot of excellent kit out there, so get viewing!

    good luck.

    Gary.
     
  3. timothywood

    timothywood
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    Thanks for your help, am viewing CRT's tommorrow
     
  4. WebLoader

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    hi tim

    gary has pretty much summed everything up - the only point i would add is that if you plan to your your PJ for gaming and/or PC display then CRT is the least suitable as it can be affected by burn-in of static images, and is generally not as 'sharp' looking for that kind of material (the other side of that coin is of course what makes it look great with films)

    good luck
     
  5. (GTV)Chris

    (GTV)Chris
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    Don't forget that most second hand CRT's are pretty damn big - my wife refused one in the room because it weighed 55Kg and looked like the space shuttle.
    I do agree they produce a very cinematic image, deeper blacks etc.
    I have looked at many DLP's and I suffer from the rainbow effect - like prysims of coloured light flittering across the screen. Poduced by the colour wheel - although I think newer more expensive technology will bannish this.
    I like my little AE100 - It isn't perfect but for the money it gives a great image - especially through a HCPC.

    Good luck.

    Chris
     

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