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Topic: Optoma GT5600 or LGHF85JA Ultra Short Throw Projector?
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Joined: Nov 10, 2019
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Sold my home with my 100" home built theater system. I Moved into my new home about a month ago...

The room in the new house I'm going to use is a family room. there is ambient light, but I can darken it up by closing curtains. I am unable to do a ceiling mount like I had before. The best option I am looking at is installing a Ultra Short Throw Projector. I have done all measurements and have chosen to go with a 92" image size. This unit will pretty much be the TV in a all purpose system(Blu-Ray, Netflix, Amazon and YouTube LIVE TV). I have a New Sony STR-DH790 Receiver that will do most of the work. I'll just output all my devices to the projector unit I choose.

I am in need of some help in either choosing the Optoma GT5600 or the LG HF85LA. I'm leaning to the Optoma 5600 because it cost less and the higher 3000 Lumens, 20,000:1 cotrast ratio. About the only thing I don't like is its size and possibly bulb life. I'm even considering mounting it directly above the screen on a ultra short throw projector mount.

I'm kind of interested in the LG because it is smaller, long Laser light life, Better Contrast ratio 150,000:1 and built in apps(I've read the apps are kind of limited as well). I'm concerned about it's lower 1500 lumen rating not being bright enough in the day and possible issue with black spots that can possibly form over time on the conical reflector.

I will be purchasing a 92" Silver Ticket fixed frame screen that will add 1.1 gain to image brightness. I'm thinking it still might not be enough for daytime use on the LG HF85LA.

So I need some help choosing?
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Joined: Mar 28, 2005
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I would get the Optoma.

Optoma has been delivering short throw projectors for a while and there are some compatibility issues which have popped up with the LG models. As well, the LG models have pretty weak black levels. So, you get a lot of value for the money with LG, but not the quality which the Optoma will bring to the table.

You will also want those lumens when the lights are on.

People, for whatever reason, go gaga over lousy (LOUSY!) built in applications on a device, when they still need a decent audio system for things to sound good, and really should get a high quality external streaming device, like a Roku, if they want to get solid performance from Netflix and other streaming apps.

It's $100 for a Roku, stop caring what's built into your TV or projector.

Be aware with ultra short models, there will be a fair bit of reflection off of the ceiling with any standard high-dispersion screen.
AV Integrated - Theater, whole house audio, and technology consultation during the build and installation process in the Washington, DC metropolitan area.
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I guess I should add, that if you are in the USA, then you can get a 86" LCD from LG for about $2,000. That's 6" off the size you are looking at with front projection, and offers a lot more versatility in viewing...

https://www.sears.com/lg-lge-86um8070pua-86-inch-class-4k-smart/p-A036618694?sid=IDx20110310x00001i&gclid=CjwKCAiAqqTuBRBAEiwA7B66hbwe3qCM8PZMfdiHOAn9dUnSMVrD6JsiKrd3sClA2w5o5otn5ShOohoCVRYQAvD_BwE&gclsrc=aw.ds

Just saying, that I would push the image size up to at least 100" diagonal before I would consider a projector to even make any sense. At 92" I would just drop 6" and have a fully daytime viewable experience in my family room.
AV Integrated - Theater, whole house audio, and technology consultation during the build and installation process in the Washington, DC metropolitan area.
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Much appreciate your suggestions. I will be ordering the Optoma GT5600 later today. I should have delivered in a few days.

I can't go larger than 92" because there are 2 small windows on each side. I did check out several 4K TV's from 65" to 70". I just didn't like how "Bulky" these large TV's were and some had alot of reflection from their glossy screens. I kept going back to a projector setup like I had before. I currently have a 55" 4K Vizio as a temporary display in the area and it does picks up some annoying light reflections(I am also doing some light fixture changes and home remodeling but that's another story).

I was very happy with my BenQ ceiling mounted projector and my 100" Elite Screen in my last home. I can live with loosing a few inches and going to 92".

I'll have a update once I get the Optoma set up and tested. I'm holding off on ordering the 92" screen. Just want to make sure I'll be keeping the new short throw projector first.