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post #181 of 188 Old 06-04-2014, 10:26 AM
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Awesome design and build!  Very impressive.

 

How did you figure out ideal positioning, distance from screen and height of projector.  How high off the ground is your projector (or from ceiling).  Your total height of room from ceiling to floor is 8 feet? -- so approx 2.4 metres?

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post #182 of 188 Old 06-05-2014, 04:59 AM - Thread Starter
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Quote:
Originally Posted by JacT View Post
Awesome design and build!  Very impressive.
 
How did you figure out ideal positioning, distance from screen and height of projector.  How high off the ground is your projector (or from ceiling).  Your total height of room from ceiling to floor is 8 feet? -- so approx 2.4 metres?
Height is 8'


For ideal positioning, distance from screen and height of projector:

Ideal Positioning: I have the lens of the projector centered to the center of the screen so I do not have to use horizontal lens shift. I have mine on a self so I have room to move a projector if I buy one that does not use a center designed lens.

Distance from Screen: I have the projector back far enough that a vast majority of different projectors can and will fill my screen. I don't have to worry about throw distance for 90% of the projectors out there.

Height of Projector: Using an adjustable shelf system allows me a lot of flexibility, But I places the projector within the screen height and high enough above people heads to cause no shadows on screen. Minimizing vertical lens shift.

How high off the ground is your projector : It can vary on different projector designs, but ~ 6' off the ground.


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Last edited by SOWK; 06-25-2014 at 08:38 AM.
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post #183 of 188 Old 06-05-2014, 05:16 AM - Thread Starter
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post #184 of 188 Old 06-05-2014, 09:39 AM
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Wait....the JVC lights up the 12-footer???

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post #185 of 188 Old 06-05-2014, 09:48 AM - Thread Starter
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12 1/2... And yes.

Has to be full open iris and high lamp though for adequate brightness.


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post #186 of 188 Old 06-06-2014, 05:34 PM
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Yup, even more amazinger...and still a favorite.
Thanks for the update.

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post #187 of 188 Old 06-10-2014, 06:34 AM
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Quote:
Originally Posted by SOWK View Post

Height is 8'


For dista
Height is 8'


For ideal positioning, distance from screen and height of projector:

Ideal Positioning: I have the lens of the projector centered to the center of the screen so I do not have to use horizontal lens shift. I have mine on a self so I have room to move a projector if I buy one that does not use a center designed lens.

Distance from Screen: I have the projector back far enough that a vast majority of different projectors can and will fill my screen. I don't have to worry about throw distance for 90% of the projectors out there.

Height of Projector: Using an adjustable shelf system allows me a lot of flexibility, But I places the projector within the screen height and high enough above people heads to cause no shadows on screen. Minimizing vertical lens shift.

How high off the ground is your projector : It can vary on different projector designs, but ~ 6' off the ground.

 

Thanks for confirming details. I'm a novice so pls bear with the basic questions.

 

Positioning -- I have a distance of about 3.5 metres / 11.5' from where I'd like to place my projector to the wall.  The wall is about 4.7m / 15.4' wide by 3m / 9.8' tall.  Is that enough distance to project onto a wall that size?  and what kind of projector would be best?  with such a short distance and angle (with projector place around 2m / 6.6' from the floor).  I'm assuming there are projectors which can compensate for the angle of projection onto a flat wall?

 

Wall/screen -- I will have a white wall, is this good enough to project on?  is there a special type of paint that I can use that is designed for projectors?  or is a specialised screen like you have better. Though I'd rather not have a screen if I can help it.  Thoughts?

 

Speakers -- I'm thinking very basic. Two in the screen/wall, left and right top corners -- low profile (like 80mm thick -- do they exist?) as my stud wall will be about that depth and white, so they blend into white wall.  And one at the rear (8m / 26.2'). The layout of my room doesn't allow two in the rear corners. But one in the rear will create a triangle. Is that ok, of just a waste of time?  

 

I don't want to spend ten's of thousands on my setup. But do want half decent quality, so will to spend a few $k

 

Any advice appreciated thanks

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post #188 of 188 Old 06-25-2014, 08:45 AM - Thread Starter
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Quote:
Originally Posted by JacT View Post

Thanks for confirming details. I'm a novice so pls bear with the basic questions.
 
Positioning -- I have a distance of about 3.5 metres / 11.5' from where I'd like to place my projector to the wall.  The wall is about 4.7m / 15.4' wide by 3m / 9.8' tall.  Is that enough distance to project onto a wall that size?  and what kind of projector would be best?  with such a short distance and angle (with projector place around 2m / 6.6' from the floor).  I'm assuming there are projectors which can compensate for the angle of projection onto a flat wall?
 
Wall/screen -- I will have a white wall, is this good enough to project on?  is there a special type of paint that I can use that is designed for projectors?  or is a specialised screen like you have better. Though I'd rather not have a screen if I can help it.  Thoughts?
 
Speakers -- I'm thinking very basic. Two in the screen/wall, left and right top corners -- low profile (like 80mm thick -- do they exist?) as my stud wall will be about that depth and white, so they blend into white wall.  And one at the rear (8m / 26.2'). The layout of my room doesn't allow two in the rear corners. But one in the rear will create a triangle. Is that ok, of just a waste of time?  
 
I don't want to spend ten's of thousands on my setup. But do want half decent quality, so will to spend a few $k
 
Any advice appreciated thanks
You will have to look at the throw ratio's of projectors in your price range. I can't just answer your throw question for you.

If you get a projector that has a good amount of lens shift you should not have to angle the projector at all.

White Wall is fine, but you want to make it as smooth as possible, also some screen materials are designed for specific reasons. If all you want it a giant white wall for a screen, then so be it. You can make it work.

Speakers... Just get what you can afford and like and don't worry about surround sound if you have to make to many compromises to begin with.


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