DIY HT ghetto style - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 1 Old 12-26-2012, 07:35 PM - Thread Starter
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I'm Freddy, I mainly work as an interior decorator, do some construction and wiring work etc. So I've gotten it into my head that i want to build a home theater, but more as in a home theater/living room, since I have not been successful yet in permanently banning my wife from the living room ;-).

So it's got to double as a nice cosy living room where people can sit around, eat chips, drink coffee and watch the news every now and again.

So my idea is to put all the "stuff" into a single wall cabinet, minus the projector and the surround speakers.

I'm not going to focus "too much" on the sound and acoustic treatment because well, like i said it's a living room, plus my house is concrete so I think that stops plenty of noise (so my neighbors keep liking me). Besides I'm more of a picture quality type of guy than I am an audio quality type of guy.

To give you an idea: I got a 10 year old, 600$ sony HT set with speakers and DVD player included in my den, which i think sounds great if it were not lacking a bit of punch...

I've already decided on my projector being an optomo HD33 since i can get it cheap from a friend whose trading up to a more expensive model. As a projector screen I've bought a 250*155 roll down screen (again for cheap). Seems to perform pretty good, absolutely blocks all light and has a nice finish. I'm going to be hooking that up to a spare somfy motor i have lying around. It has to be retractable because my cute little 46" plasma is behind it and i don't want to turn on the whole shebang every time i watch the news.

I'm thinking about doing the audio system myself. I want something that really has a good punch and all the generic systems i can buy in the shop seem to be extremely expensive for very little performance.

I've got a really spiffy amp that I'm currently using in my garage which can output about 2*200watts on 8 ohm, which seems like a really nice amp to power a stereo subwoofer with. So i was thinking about planting two drivers into a bandpass box and powering it with the amp.

However I got a Denon AV receiver which i'm not sure will output stereo to the other amp (it has a sub pre-out, like most i guess), so i'll have to find some way around that. Also I'm going to have to find some way to power up the amp automatically with my logitec harmony since it only has an on/off switch and that's about it!

I'm thinking about building two typical columb speakers with a bass reflex woofer in them, since i don't want to power up the subwoofers each time i just listen to the radio. My AV receiver should be plenty to power two stereo speakers. Then for the surround speakers just build some nice 2-ways which i can integrate into the living room somewhere.

I'm thinking about filling up the theater placement with sand. Since i think that will do a better job than insulation, and it's a bit less permanent than concrete.

I have some doubts about the subwoofers. I want to have nice and powerful theater sound, but maybe 2x200w is a bit excessive considering i'm just powering the rest of the speakers from my onkyo (it's rating 135w per channel so probably around 60w useable).

Also is it useful to put some base blockers in the corners of the main stage... it's going to be between two walls, but the rest of the room is pretty much just "open".

Like i said though, i'm not so much of an audiophile myself, if it just sounds "nice" and powerful i'll be happy enough.
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