PJ and fixed AT screen for sitting room

Discussion in 'Projectors, Screens & Video Processors' started by Seriously Ltd, Jun 25, 2015.

  1. Seriously Ltd

    Seriously Ltd
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    I know very little about PJ's and screens.

    I'm looking to install a PJ and fixed AT screen hopefully 106" in my sitting room cinema.

    This will be used on a daily basis replacing the 50" plasma.

    The room will not be completely dark for Sky viewing i.e. a side light on etc.

    For movies the room will be pretty dark with shutters closed.

    PJ throw will be approx 10' as will the viewing distance.

    Is there an AT light rejecting screen out there?


    Here's a pic of the room ImageUploadedByAVForums1435271848.621276.jpg
     
    Last edited: Jun 25, 2015
  2. Russ 66

    Russ 66
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    I think you might be pushing it getting a 106" image from 10 foot.
    It would also be pretty immersive at that distance, you would be sitting about 2.3 image height away.
    You also don't want to be craning your neck up as it would be uncomfortable.

    Also on throw distances dong forget the length of the projector the JVC and Sonys are about 500mm.
     
  3. Seriously Ltd

    Seriously Ltd
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    Cheers Russ. This is all new territory for me. The plan is to have the screen 2' from the floor so there will be no neck straining.

    I have no idea what the biggest image I can generate is at that approx distance.
     
  4. Russ 66

    Russ 66
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    If you go on projector Central or projector point they have throw distance calculators.
    You simply pick your projector, put in the throw and it will work out your screen sizes max and min.
    I guess you would be looking at something from Sony, JVC or Epson.
    Why don't you give Ricky at calibrate a bell.
     
  5. Seriously Ltd

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    Cheers Russ it is appreciated.
    I will take a look and also speak to Ricky.

    It's early days yet as not happening till the new year but want to research and pre plan.
     
  6. mattkhan

    mattkhan
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    you can use a calculator like Sony VPL-VW300ES Projection Calculator - Throw Distance and Screen Size which suggests that, for that projector, you'd just about squeeze it in at max zoom. Whether you want to use it at max zoom is another question worth asking.

    If you're planning on using it for all viewing then I guess you need something with a lot of light and with consistent output over time. I suppose this points to a laser which narrows the field substantially atm.
     
  7. Seriously Ltd

    Seriously Ltd
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    Matt thank you. I know it may not necessarily be the best image I can get due to room limitations, but it will be a big step up in the viewing experience.

    Any other advice welcomed.
     
  8. mattkhan

    mattkhan
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    how will you mount this? e.g. are you building a shallow baffle wall to put the speakers behind the screen?

    do you have the width for scope?

    what's the budget for the change? a big scope screen + laser projector isn't going to be a cheap upgrade
     
  9. Seriously Ltd

    Seriously Ltd
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    Plan is to build a shallow baffle wall to mount the screen on and support AT fabric.

    Budget not decided but £5k tops. Was planning second hand non 4K projector to start off with as there should be loads up for sale when 4k material is available. I don't even know if it is achievable with my room size but I'd like to think so.
     
  10. mattkhan

    mattkhan
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    What is the width available?

    I guess you will be making your own screen then?
     
  11. Seriously Ltd

    Seriously Ltd
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    8' wide.

    As to making the screen I have no idea. Was hoping to buy one to fix too a wooden frame but like I said I'm
    in new territory here Mat.
     
  12. Russ 66

    Russ 66
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  13. Seriously Ltd

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    Cheers Russ. I'm learning a lot this morning.
     
  14. Russ 66

    Russ 66
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    I am currently planning a projector install myself, probably very early next year.
    I used to run a Panasonic projector about 8 years ago and it was excellent then just playing back DVD's. Unfortunately it packed up and I replaced it with a 50" plasma :(.

    I don't know if I would want to run without a TV using a projector as my only display in a living room.
     
  15. mattkhan

    mattkhan
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    FWIW I sit a similar distance to you and have a 92" 16:9 screen. I find this just about fills my field of view comfortably, a little bigger would be nice overall but not a big deal. I would happily go wider though.
     
  16. Seriously Ltd

    Seriously Ltd
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    So it should be doable then?
     
  17. Seriously Ltd

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    That is one of my concerns re the TV but that's probably just because I'm so used to a TV. There is a 39" LCD in the kitchen and the 50" will go in the play room that I'm not allowed to turn into a dedicated cinema.
     
  18. mattkhan

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    I think the projector will be the limiting factor.

    A quick look at recent Epsom/JVC and Sony models shows that they're all at absolute max zoom at 106" diagonal at ~10.5-11'

    Perhaps @KelvinS1965 can comment on what the impact of max zoom is and whether that's a desirable thing. IIRC it means you put increased stress on the optics hence things like chromatic aberration become an issue. I could be making this up though :p
     
  19. KelvinS1965

    KelvinS1965
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    Sorry for my late arrival...I've actually had to work. :eek:

    It's not ideal using full zoom on a projector, but if it's a decent model that has a good lens like the VW300/500ES or the JVCs then the only issue is that you get a little less contrast at max zoom (in return for a bit more brightness due to the change of the projector lens aperture). I wouldn't recommend it with the more budget models (and perhaps slightly controversially with the cheaper VW40ES/55ES as IMVHO the lens isn't as good).

    Projector central calculator shows 103" diagonal for an X500 if you have 10' 6" from the lens of the projector to the screen (take a little off that to allow for the depth of the screen too of course, so maybe 10' would be more realistic. In that case you'd max out at 98" diagonal, so the nearest standard size would be 92" diagonal (16:9) which would allow a bit of 'wiggle room'.

    I worked out that if I turned my room 90 degrees and have the projector firing across the room, then I wouldn't be able to fill my 112" wide scope screen unless I got a VW1000ES due to the shorter throw and the depth of the projector itself. I've decided to stick with my long throw/room length set up when I revamp next year (probably better from a speaker POV as well as I want a 7.4.4 layout).
     
  20. Seriously Ltd

    Seriously Ltd
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    So it's doable in my room then?
     
  21. KelvinS1965

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    If you have 10' space between the front of the projector and the screen you'll be OK with a 92" diagonal screen (using X500 specs, VW300ES is similar I believe).
     
  22. Seriously Ltd

    Seriously Ltd
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    Will be about 9.5'
     
  23. KelvinS1965

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    Well in theory at 9' 6" you should be able to hit 93" diagonal so it is doable, but very little margin for error if you went for a 92" screen. If your screen sticks out a bit more than you'd hoped or the projector can't go right back to the wall then you might end up under scanning the screen.
     
  24. mattkhan

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    the way cables protrude out of the back is the bit that *always* throws my calcs off so IMO the advice of a "leave a few extra inches spare" is good advice. It seems like getting the projector up first and then building the screen/wall is the way forward in this case.
     
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  25. Seriously Ltd

    Seriously Ltd
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    Lots to think about and research.

    If not it will be a 75" 4k TV........
     
  26. Jameskatie

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    A lot of the cables come out side on most. Well do on the sonys but then the air intake is at back
     
  27. Pecker

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    Always allow for the air intake - the recommendation is about 30cm, I think.

    And I presume you've accounted for the depth of the projector (measurement is lens to screen).

    I'm going to throw a spanner in here - this is one of the instances I wouldn't necessarily get a projector.

    You're getting down to the size of screen where it simply doesn't have the impact. Irrespective of seating distance, you can't recreate scale just by sitting closer.

    You might be better off with a large telly.

    Not definitely, but prepare yourself for that.

    I'd demo this one as heavily as possible, just to be sure.

    Steve W
     
    Last edited: Jun 27, 2015
  28. Jameskatie

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    Or core a hole in wall and mount in a hush box in room behind? (Hallway?)
     
  29. Seriously Ltd

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    I think you are right.
    It's prob going to have to be a 75"4k TV.

    At least I will be able to watch it in the day with the shutters open.

    Thanks for the input.
     
  30. Seriously Ltd

    Seriously Ltd
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    I would love to James
    but don't think my neighbour would appreciate a projector in his front room!!!
     
    Last edited: Jun 27, 2015

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