dkmaj Posted December 3, 2008 Posted December 3, 2008 currently have a Tw2000, sitting 3.6-3.8 metres from a 90" screen, thinking serious about getting a new screen, my question isnt about make/model/fabric/type but about how big a screen i can go, its a dedicated room so no ambient light issues (which can be amplified by a biger screen), and am looking to go as large as 110" is that size do able @ a viewing distance of just under 4 metres, so whats your thoughts and experiences!?!?!....
Muzzer Posted December 3, 2008 Posted December 3, 2008 This site is pretty brilliant and should help: http://www.projectorcentral.com/projection...culator-pro.cfm
Gino Posted December 3, 2008 Posted December 3, 2008 I am watching 169" scope screen from 4.4m away. So 110" won't be overwhelming, it will come down to how well your Tw2000 can handle lighting up a screen of that size.
TechWizNot Posted December 3, 2008 Posted December 3, 2008 I sit 4m away from my screen and I was advised not to go over 100". Do your eyes and neck get sore at all?
dkmaj Posted December 3, 2008 Author Posted December 3, 2008 (edited) I am watching 169" scope screen from 4.4m away. its cos we live in far nq. me, gino and foxy were a special breed!!! Edited December 3, 2008 by dkmaj
TechWizNot Posted December 3, 2008 Posted December 3, 2008 its cos we live in far nq. me, gino and foxy were a special breed!!! HA HA HA Luv it! Merry Chrissie. Cheers.
Chesty Posted December 3, 2008 Posted December 3, 2008 I sit just over 4m away from a 110" using a TW2000 and no problems.
Volunteer Kazz Posted December 3, 2008 Volunteer Posted December 3, 2008 I sit 4m away from my screen and I was advised not to go over 100". Do your eyes and neck get sore at all? I sit 4m away from my 110" screen and have no worries at all.
TechWizNot Posted December 3, 2008 Posted December 3, 2008 I sit 4m away from my 110" screen and have no worries at all. Time for an upgrade me thinks, though not quite 169", that's if her indoors is OK with it. Storm clouds on the horizon tonight. The dog and I might just be keeping each other company for a while. Cheers.
dkmaj Posted December 3, 2008 Author Posted December 3, 2008 Time for an upgrade me thinks, though not quite 169", that's if her indoors is OK with it. Storm clouds on the horizon tonight. The dog and I might just be keeping each other company for a while. Cheers. go for it, at least its good weather to be sleeping outside!!!...
Jeffie1503561482 Posted December 3, 2008 Posted December 3, 2008 post up some blockout against your wall and see how big you can go before you get the shits.
oztheatre Posted December 3, 2008 Posted December 3, 2008 I am watching 169" scope screen from 4.4m away. So 110" won't be overwhelming, it will come down to how well your Tw2000 can handle lighting up a screen of that size. Hey Gino, are you really gonna go rear pro? Can you get a sample of starglas?
CAVX Posted December 3, 2008 Posted December 3, 2008 Divide your room length by 4 to find the ideal screen height for any given room. Times that by the chosen AR to find the width. All too easy... Mark
dkmaj Posted December 3, 2008 Author Posted December 3, 2008 Divide your room length by 4 to find the ideal screen height for any given room. Times that by the chosen AR to find the width. All too easy...Mark um mark, err that would be maths... sorry cant get involved in that voodoo
50mxe20 Posted December 4, 2008 Posted December 4, 2008 Divide your room length by 4 to find the ideal screen height for any given room. Times that by the chosen AR to find the width. All too easy...Mark Doesn't that make assumptions about where you are going to sit? ie, In a 5 x 7 metre room, then 7/4 = 1.75-metre height. Yet if sitting at 4-metres (or less) it would be 4/4 = 1-metre height. By AR, I assume you mean Aspect Ratio? So if planning 2.35 : 1, then 1.75 * 2.35 = 4.11-metres That's a pretty big screen! Seems like 1 * 2.35 = 2.35-metres is more realistic. Not being pedantic, really trying to understand here. We were planning a room that is 5x7 metres but I can't see the missus ever approving a 4-metre screen. Our room is not a dedicate HT room as it will be multifunctional although retaining some aspects of a dedicated room. (If that makes sense). Help me to make sense of all this.
SDL Posted December 4, 2008 Posted December 4, 2008 Doesn't that make assumptions about where you are going to sit?ie, In a 5 x 7 metre room, then 7/4 = 1.75-metre height. Yet if sitting at 4-metres (or less) it would be 4/4 = 1-metre height. By AR, I assume you mean Aspect Ratio? So if planning 2.35 : 1, then 1.75 * 2.35 = 4.11-metres That's a pretty big screen! Seems like 1 * 2.35 = 2.35-metres is more realistic. Not being pedantic, really trying to understand here. We were planning a room that is 5x7 metres but I can't see the missus ever approving a 4-metre screen. Our room is not a dedicate HT room as it will be multifunctional although retaining some aspects of a dedicated room. (If that makes sense). Help me to make sense of all this. Agreed, that is about the same size room as mine but I only have 8' ceilings or thereabouts, so I am also vertically stuck. I was of the view I needed to look at how high I could make it, this would determine the width, and then that would determine how far back I set the seats.
50mxe20 Posted December 4, 2008 Posted December 4, 2008 Agreed, that is about the same size room as mine but I only have 8' ceilings or thereabouts, so I am also vertically stuck. I was of the view I needed to look at how high I could make it, this would determine the width, and then that would determine how far back I set the seats.I like to come at if from the other way.By looking at how I want to use the room and setup the sound, one quickly resolves where one wants/needs to sit. My situation, which may be similar to yours (??), is predicated by wanting to watch a 50 inch plasma too. So I don't want to be sitting 7-metres away from it. 3-metre would be ideal. So how to do this sensibly and have a PJ and screen as well. Using 3 or 4 metres and then using Marks calculations seems to make more sense to me. ??? But I have still a very long way to go in understanding what PJ etc will do the job and what the costs are going to be. It needs to be HD and have sufficient brightness (I really hate it when the PJ is not bright enough to do the job), but don't yet know enough to work all that out. Babe in the woods lyle
SDL Posted December 4, 2008 Posted December 4, 2008 I see where you are coming from, but mine will be totally dedicated (at least that is the plan at this stage). The plasma will stay in the lounge with a spare XE1 for just watching occassional DVD/HD DVD. I have an LCD with an old surround setup in the living room for General TV watching/Foxtel and for my son to watch Thomas the Tank DVD's etc. Downstairs it is planned to have a dedicated batcave with just Pj and screen and a small LCD running off it into my bar for watching cricket etc while drinking.
CAVX Posted December 4, 2008 Posted December 4, 2008 Doesn't that make assumptions about where you are going to sit? True, just don't sit closer then 2x the image height... ie, In a 5 x 7 metre room, then 7/4 = 1.75-metre height.Yet if sitting at 4-metres (or less) it would be 4/4 = 1-metre height. That is correct. The reality is that some projectors may not light a screen that size, but yes (assuming a light cannon) the screen would be 1.75m high and yes, that is a big screen... By AR, I assume you mean Aspect Ratio?So if planning 2.35 : 1, then 1.75 * 2.35 = 4.11-metres That's a pretty big screen! Yep. AR = Aspect Ratio, so working off the screen height above, 1.75 x 1.33:1, 1.75 x 1.78:1 and 1.75 x 2.37:1 to find the width of the three common ARs... Seems like 1 * 2.35 = 2.35-metres is more realistic.Not being pedantic, really trying to understand here. We were planning a room that is 5x7 metres but I can't see the missus ever approving a 4-metre screen. Our room is not a dedicate HT room as it will be multifunctional although retaining some aspects of a dedicated room. (If that makes sense). Help me to make sense of all this. To be honest, in a 7m room, I would actually work off THX min spec of 26 degrees and put in more rows of seating rather go for a super large screen. So you could actually divide the room's length by anything up to 5.18. Lets keep the numbers "round" and divide by 4.5 to get 1.55m high which is actually do-able with projectors like the BenQW5000 or SONY WV60. 1.55m x 2.37 = 3.67m which is quite a large screen. You sit no closer than 2x the image height or 3.1m and you sit no further back than 4x the image height or 6.2m with 3x or 4.65m being the SMPTE preference. based on these figures, you could have 3 rows of seats. The trick will be having enough surround sound. In this case, you might nearly need to go with small 3 speaker arrays instead of the tradional diffuse radiator. The real trick then is calibration which requires 2dB attenuation to the 2rd set of surround speakers and 4dB attenuation to the 3rd so they don't drown out the front LCRs. This happens is poorly designed commercial cinemas where if seated at the back of thr room, the surrounds sound too hot... This is a science, but not rocket science Mark
50mxe20 Posted December 4, 2008 Posted December 4, 2008 True, just don't sit closer then 2x the image height...To be honest, in a 7m room, I would actually work off THX min spec of 26 degrees and put in more rows of seating rather go for a super large screen. I had the chance to make a 5 x 7-metre room purely by chance and I was after a room that could be converted to a games room later if a different family wanted to do so. Also I wanted to get the best room possible for SQ. But in reality I would be happy to be sitting 3 to 4-metres from the display (like we do now for a plasma) and have room behind the seating for someone to do the ironing or play or ??. I/we don't want it as a dedicated HT (batcave style room). So should the way for me to think is to consider it as a 4-metre room and then figure out what screen to get? The few times I have been in rooms and sat close to a big screen I have been underwhelmed with the feeling. I understand about the THX ratios but I feel uncomfortable sitting too close. Perhaps this comes from years of sitting a long way from a TV. Is the concept of having a plasma and a PJ with screen on the same wall a stupid one. ie, the idea of a 50 inch plasma at 3-metres with a drop down screen for movies and maybe then push the seating back to 4-metres for that purpose. Or anotehr line of seating for those occasions. Is that a silly idea? Can it be done? All the dropdown screens Ihave seen so far are 16:9. Can one get a 2.35 or more to get into this CIH party? This may all change in the next few days when we get some house building costing. I'm afeared costs have gone beyond our limit and we may have to scale back on a few things. One way to save a a considerable amount of moeny would be compromise on the HT room. I dread the thought of a square room but 4.5 x 5 would be back to the original house drawings. (unfortunately oriented the wrong way as well). More thoughts are welcome!?
jrumpff Posted December 4, 2008 Posted December 4, 2008 hmmmm In my humble opinion, I would go fo the biggest screen your budget could afford, and your projector can sufficiently light.. I have always been curiouus about screen size's in relation with seating distance, when I head to the local cinema here at knox, Cinema one has an approx 40m wide screen that you are sitting about 20-25m away, (if you are sitting 1/2 way back in the cinema) Being close like this to the screen really gives you an immersive experience, although after a LOT of viewing, you may get a headache after prolonged viewing... This is an opurtunity to head outside and get some fresh air! It seems that a large factor that determines a screen size is based on old technology, being the fact that projectors suffered terribly with light output for larger screens, contrast took a kick, and SVGA doesn't look so special when you are remotely close to the screen. New projector's like the Epson TW2000, Panasonic AE3000, Sony TW10, Infocus IN83 etc etc and Blue-ray or HD-DVD really allow you to sit a whole lot closer.
Gino Posted December 6, 2008 Posted December 6, 2008 Hey Gino, are you really gonna go rear pro? Can you get a sample of starglas? Yes, I am relocating and I'd really like to give it a try. I have a sample of StarGlas already. It's going to be very heavy and difficult to handle, and it's very expensive! I'll have to reduce my screen size down to 10-12' wide though to make it all work.
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