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> Optoma HD65 Kakis, technical, tweaking, screenshot......... (Home Theatre)

lohlm56
post Sep 4 2008, 07:51 PM
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QUOTE(ycs @ Sep 4 2008, 07:43 PM)
pierreye, very tidy and clean set-up. unfortunately i don't have the space for this but am working out something for my front wall-hope it turns out well.

btw, how is your bass trap fixed?
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Really appreciate your valuablle infor. n pictures.
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pierreye
post Sep 4 2008, 11:41 PM
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QUOTE(ycs @ Sep 4 2008, 07:43 PM)
pierreye, very tidy and clean set-up. unfortunately i don't have the space for this but am working out something for my front wall-hope it turns out well.

btw, how is your bass trap fixed?
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Bass trap a little bit tricky. You need to get your carpenter nail it at four corner of your panel to your wall. Then use black silicon to glue up the edge.
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ycs
post Sep 6 2008, 08:37 PM
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QUOTE(pierreye @ Sep 4 2008, 11:41 PM)
Bass trap a little bit tricky. You need to get your carpenter nail it at four corner of your panel to your wall. Then use black silicon to glue up the edge.
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I am thinking of doing it the simple way like this.
Attached Image

just hang the panel in the corners.
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lohlm56
post Sep 7 2008, 12:51 AM
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QUOTE(ycs @ Sep 6 2008, 08:37 PM)
I am thinking of doing it the simple way like this.
Attached Image

just hang the panel in the corners.
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I read from website that the acoustic treatment should be covered with at least 60% , corner should be bass trap with thicker layer of panel and frame , side wall will prefer high/md range absorber , where front/ back are covered with diffusor , what is your comment .
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ycs
post Sep 7 2008, 09:38 AM
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QUOTE(lohlm56 @ Sep 7 2008, 12:51 AM)
I read from website that the acoustic treatment should be covered with at least 60% , corner should be bass trap with thicker layer of panel and frame , side wall will prefer high/md range absorber , where front/ back are covered with diffusor  , what is your comment .
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covering 60% of a room seems too much and may make the room sound dead.

most "experts" recommend that the key is at least covering major spots in a room- 4 corners, 2 sidewalls and ceiling for first reflections, the tri-corner areas, diffusor for back wall; i.e. like the diagram in earlier post.

many also recommend to have a "live" floor ( hard floor) so that some reflections can still occur.

http://www.realtraps.com/placing_mt.htm
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lohlm56
post Sep 7 2008, 06:44 PM
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QUOTE(ycs @ Sep 7 2008, 09:38 AM)
covering 60% of a room seems too much and may make the room sound dead.

most "experts"  recommend that the key is at least covering major spots in a room- 4 corners, 2 sidewalls and ceiling for first reflections, the tri-corner areas, diffusor for back wall;  i.e. like the diagram in earlier post.

many also recommend to have a "live" floor ( hard floor) so that some reflections can still occur.

http://www.realtraps.com/placing_mt.htm
*


Not covering all 60% area with mid/low bass trap , like side /back wall , diffusors are applied , room will not be too dead . However some audio expert suggest to have absorber instead of diffusor on side wall. But this will depend on the room condition .
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callmevil
post Sep 7 2008, 10:42 PM
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wats the diff between diffusers and basstraps??


Added on September 7, 2008, 10:50 pmhmm how will thick 3 layer rippled curtains around the room do for sound treatment?

This post has been edited by callmevil: Sep 7 2008, 10:50 PM
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lohlm56
post Sep 7 2008, 11:24 PM
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QUOTE(callmevil @ Sep 7 2008, 10:42 PM)
wats the diff between diffusers and basstraps??


Added on September 7, 2008, 10:50 pmhmm how will thick 3 layer rippled curtains around the room do for sound treatment?
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It cant absorb low bass and bass will rebound. So bass will not deep.


Added on September 7, 2008, 11:43 pm
QUOTE(callmevil @ Sep 7 2008, 10:42 PM)
wats the diff between diffusers and basstraps??


Added on September 7, 2008, 10:50 pmhmm how will thick 3 layer rippled curtains around the room do for sound treatment?
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bass trap---to trap the bass and avoid rebound
diffusor----to reflect incoming sound to many different direction ----to minimize echo


Added on September 7, 2008, 11:46 pm
QUOTE(lohlm56 @ Sep 7 2008, 11:24 PM)
It cant absorb low bass and bass will rebound. So bass will not deep.


Added on September 7, 2008, 11:43 pm
bass trap---to trap the bass and avoid rebound
diffusor----to reflect incoming sound to many different direction ----to minimize echo
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Can somebody give an advise how to attach 2 pcs of different thickness t=6mm/12mm of MDF , either with screw or wood glue? I am trying to diy rpg diffusor with MDF board.

This post has been edited by lohlm56: Sep 7 2008, 11:46 PM
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silbii
post Sep 8 2008, 12:10 AM
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why is it on some movies, if i set my dvd to upscale to 720p and connect it to hd65 via hdmi...the jagged edge staircase effect on diagonal lines are still prominent (e.g shots of roof. pyramid) although the colours and depth on the movies are improved? But on some movies, there's no problem...

so a bit confused here...
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ycs
post Sep 8 2008, 09:23 AM
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QUOTE(lohlm56 @ Sep 7 2008, 11:24 PM)

Added on September 7, 2008, 11:46 pm
Can somebody give an advise how to attach 2 pcs of different thickness t=6mm/12mm of MDF , either with screw or wood glue? I am trying to diy rpg diffusor with MDF board.
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depends if the MDF is bearing any heavy load, but i would use screws or nails to be sure that it stays fixed and not be loosened by vibrations.
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hix18
post Sep 11 2008, 03:48 PM
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Sorry arr advert skit....Anybody want to sell their HD65 plz PM me. TQ
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ycs
post Sep 11 2008, 08:40 PM
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QUOTE(hix18 @ Sep 11 2008, 03:48 PM)
Sorry arr advert skit....Anybody want to sell their HD65 plz PM me. TQ
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not much chance coz most units still less than 12 months old. better u buy new from htkaki
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megatron007
post Sep 12 2008, 11:33 AM
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QUOTE(Synco @ Sep 3 2008, 06:16 PM)
nice room
but at that angle
wont your neck hurts after long hour?
i tried mine , after 2hour my neck starts to ache  laugh.gif
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very nice room...but the view distance vs the screen size abit small sad.gif

also too high like sitting a few row infront from screen
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callmevil
post Sep 12 2008, 11:56 AM
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maybe they lean more on the chair??
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pierreye
post Sep 13 2008, 12:11 AM
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QUOTE(megatron007 @ Sep 12 2008, 11:33 AM)
very nice room...but the view distance vs the screen size abit small sad.gif

also too high like sitting a few row infront from screen
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View distance is around 1.4x. My screen is around 8' width and seating distance is close to 11'. Can't go bigger as it'll block the access to the side door. The screen height is 3' from the floor. I just change my sofa to 3 seated recliner chair and I'll say the height is just nice when you recline the chair. Using HTPC, I had no problem too when sit up straight as I can use Media Player Classic to move wide screen movie to the bottom of the screen.

user posted image
user posted image

This post has been edited by pierreye: Sep 13 2008, 12:30 AM
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rthj
post Sep 13 2008, 01:30 AM
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this is not elite.....this is royalty-grade...
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callmevil
post Sep 13 2008, 04:29 AM
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hahaha u really went above and beyond with that room.. lol nice~!
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ycs
post Sep 13 2008, 06:04 AM
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nice recliners...
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pierreye
post Sep 13 2008, 07:13 AM
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The recliners are not expensive. RM 2.6k for half leather and RM 3.3k for full leather.
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ycs
post Sep 13 2008, 07:53 AM
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QUOTE(pierreye @ Sep 13 2008, 07:13 AM)
The recliners are not expensive. RM 2.6k for half leather and RM 3.3k for full leather.
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is it 2.6k for 3 recliners?
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