7.8' ceiling, 50 chairs, 120" screen too big to see whole image?

Our condo social room has a 7.8 foot ceiling.  We have 10 rows of chairs setup.

We got a quote from a vendor for a 120” screen.  (I’m not sure if that 120” was diag or width.)

If 120" was the width, at 16:9 I believe that would mean the height would be 5.6 feet.
For 119” diag measurement, that's a height of 58” (4.8 feet)  and 104” image width.

If my math is correct, even if the screen is mounted as high as possible, it would be:

7.8’ – 5.6’ = 2.2’ from the floor
Or
7.8 – 4.8’ = 3’ from the floor

Since we don't have stadium seating in our social room, my concern is that only the folks in the first row could see the whole screen?  

Since the program would be closed-captioned (with the subtitles at the bottom of the screen), most folks could not see the closed captions.

Based on all of this, what's the largest screen that would make sense?

If we mount the screen as high as possible, would that be bad from a strained neck perspective?

Thanks for any thoughts,
Mike
mike2401Asked:
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Jackie Man IT ManagerCommented:
a 120” screen means 120" meaursing diagonally .
The height is 59 inch.

As your ceiling to floor distance is 92 inch, there should be 33 inch distance from floor, assuming that there is headroom above the ceiling to store the rolling motor of the screen.

In office chair, the height to the seat is around 20 inch. So, assuming a 6 feet adult is seating on it, the head of an adult will be at about 56 inch from the floor. The depending factor is the distance from the screen to the first and last row of the audience. How large or how long is your room?

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MereteCommented:
That's why professionally designed screening rooms have a level higher at the back and lower in the front. The projector can also be mounted in the ceiling, if you could build a platform and cover it with carpet  to put seats higher at he back would solve your problem., where you place the projector also helps as a projector from a ceiling can keep the video up higher.
If the audience are a reasonable distance from the wall screen everyone should e able to see the whole screen.
There are many options for a large screen Mike,
Take a fold away  projector screen that is pulled down from the ceiling
Here's demo video for ideas
https://www.youtube.com/watch?v=wQojyB7frAY
Here in Australia we have outdoor cinemas that use inflatable screens, these screens can be used almost anywhere and also rented.
http://www.weekendnotes.com/cinema-under-the-stars/ 
Inflatable Screen
http://www.bigscreenhire.com.au/sydney/inflatable-screen/

Captions can be moved to the top in most media players on a PC maybe you could find out if the projector has this ability.
What type of projector?
mike2401Author Commented:
I attached a picture of the room to this comment.

Here's a picture of the existing 65" TV.  In this picture, the bottom of screen is presently 50 inches off the ground. Top of screen is 14 inches from the ceiling.  Note: the 50" is from the ground to the actual bottom of the visble TV screen;  (the black thing below the screen is a large speaker.

I'm sitting in row 3.  

There's no reason why the seats couldn't be closer to the TV.

-Mike
social-room-65-inch-tv.JPG
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MereteCommented:
Thanks Mike not what I imagined, my opinion that screen is too small doesnt look to be 65 inch TV
65 inch TV  image
http://www.pixel-push.com/tag/65inch/
and yes at that height they seats could be closer
instead of a TV you could use a portable  video  projector screen
http://www.amazon.com/New-Portable-100-Projector-Projection/dp/B0154M47PM/ref=zg_bs_1286610011_19 
http://www.amazon.com/Best-Sellers-Electronics-Video-Projection-Screens/zgbs/electronics/1286610011 
What are you using to project the video onto the TV?
mike2401Author Commented:
@Merete, I measured diag myself. The screen is indeed 65 inches.

Presently, it is just a TV (no projector).

Mike
mike2401Author Commented:
Thank you all.  

I'm going to instruct the staff to raise the screen to the max height (at ceiling), and have the chairs moved closer, and see if there are complaints.

_Mike
mike2401Author Commented:
Thanks !
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