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#1 |
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diyAudio Member
Join Date: Nov 2002
Location: New York
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If anyone can help...
I was reading the threads by Ace_3000 and I'm curious to how his projector is set up. I haven't seen any pictures or drawings of it. Does anyone have any pictures of it, or something like it? I have the standard 4,000 lumen ohp, spectra plus and convertor, but I want it to be brighter. I have a 400w Mh that I used before, but the setup wasn't too good as the ohp. So any ideas and suggestions are a help. thanks, Newpaltzwonder |
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#2 |
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diyAudio Member
Join Date: Feb 2003
Location: Toronto
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His projector used a 2000w halogen and a 5" lcd which he got 500 ansi lumens out of because of his great optics.
He is now building a new one with a 150w CDM bulb and 7" XGA LCD. It will be great. |
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#3 |
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diyAudio Member
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heya new, the setups i make are small setups, i dont do ohps nor make the larger sized projector's, just my preference and room capabilites for keeping things small, if you are going to stay with the ohp route i sujest giving the ohp a 250w mh retrofit that should sort out your light problems, ive also got pics of my old projector in the diy projector II thread i think it starts from about page 74 from memory, there should also be a diagram there too of how things wer set up abit later on in the pages, the new one im making is a much better item and alot more modern looking, higher reso and contrast, aswell as a brighter whiter light system, the light system in the new is alot more of a technical setup ive implicated a honeycombe design insulation and cooling system for it and eliminated all light leaks, the constrution of the overal projector is much faster and easier than the previous with the only tools you would need being a router, drill, screw driver, trimming knife and a good set of eyes, constrution time at this stage on the new proto type looks to be in the 3weeks total mark, but as in a kit form it would take a couple of days if not 1, anyway ill post a quick peek of the progress from the otherday, nothing is yet cleaned up nor finnished and the internal components are just sitting there, also this projector is getting made out of clear plexi, the blue colour is the protective coating that will get peeled of last, take a note as its also sitting on the plan.
Trev |
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#4 |
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diyAudio Member
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Wow, that's gonna be a beautiful little machine. Where'd you get a 7" XGA?
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#5 |
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diyAudio Member
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ebay its a wide screen its not xga native, its 800x480 native but its a hell clear screen when i tested it before the rip, great colours also, its also vga, time will tell what the projected little screen is realy like, but even just in testing it ive noticed the differences in vga compared to video inputs and u just cant beat the vga quality, the contrast on this screen is 200:1 and the speed is 30ms, i didnt see any ghosting or scrolling when i tested it so maybe the speed is faster, i tersted it also on a few 3d first shooter games and it looked mighty fine but ill keep u updated on how it goes.
Trev |
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#6 |
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diyAudio Member
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ive also got a 800x600 native 6inch coming also, thats a 4:3 ratio the specs on that are basically the same but more colours, its out of an old infocus lp220, trying to beat the koreans here so im crossing my fingers this design turns out fine, all of the optics are set right and measured out properly to the plan i drew up, ill be using a diy labs 80mm short focal triplet for the lens as the focal on this one is abit short.
Trev |
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#7 |
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diyAudio Member
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AH, yes, I think I saw the same 800*480 screens you are using. Keep us updated, small projectors are so sexy
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#8 |
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diyAudio Member
Join Date: Nov 2002
Location: New York
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Thanks a lot guys,
Thanks for the information and pictures! Ace_3000 you have renewed my ideas on building a smaller version of a projector. Newpaltzwonder |
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#9 |
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diyAudio Member
Join Date: Feb 2003
Location: Toronto
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Im also building a new smaller projector, Im using the same LCD Ace is using but different design. Im using a 250w MH Double Ended instead of the 150W CDM Ace is using. His will be a bit smaller, we shall se who's projector is better in a few weeks LOL
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#10 |
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diyAudio Member
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abit smaller? much smaller your ballast is a tank alone lol u better give me some credit for telling u how to rip the lcd and mounting it and the frensel cut sizes lol
![]() Trev |
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