want help on first DIY sub - AVS Forum
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post #1 of 4 Old 12-30-2012, 05:17 PM - Thread Starter
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I need help in planning my first subwoofer. It will be used 75% for music and 25% for movies. I don't know what driver to use, whether it should be sealed or ported, or what amp to use. I have been considering this for quite a while, but I cannot make up my mind. I was considering using the Dayton Audio RSS315HF-12" in a sealed box, but now I am wondering if I wouldn't be more happy with a ported box as they can go lower? I tried to use WinISD, but I can't get it to work, though I guess I should try again. I also considered the 15" version of the Dayton HF and the TC Sounds Epic 12. I like the idea of a smaller box around 2 cf, but I can go bigger, if it will sound that much better. I did already get a plate amp, as I have read quite a few people who were happy with the Oaudio 500 watt, so when I saw it on Ebay, I got it which I think it would work well with the Dayton HF-12" in a sealed box, but I don't know if it would be so good in a ported box. I think I could sell it, if something else works better. Any help would be much appreciated. I am a little overwhelmed by all the options, and experiencing some "analysis paralysis".
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post #2 of 4 Old 12-30-2012, 06:16 PM
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Quote:
Originally Posted by brianray View Post

I need help in planning my first subwoofer. It will be used 75% for music and 25% for movies. I don't know what driver to use, whether it should be sealed or ported, or what amp to use. I have been considering this for quite a while, but I cannot make up my mind. I was considering using the Dayton Audio RSS315HF-12" in a sealed box, but now I am wondering if I wouldn't be more happy with a ported box as they can go lower? I tried to use WinISD, but I can't get it to work, though I guess I should try again. I also considered the 15" version of the Dayton HF and the TC Sounds Epic 12. I like the idea of a smaller box around 2 cf, but I can go bigger, if it will sound that much better. I did already get a plate amp, as I have read quite a few people who were happy with the Oaudio 500 watt, so when I saw it on Ebay, I got it which I think it would work well with the Dayton HF-12" in a sealed box, but I don't know if it would be so good in a ported box. I think I could sell it, if something else works better. Any help would be much appreciated. I am a little overwhelmed by all the options, and experiencing some "analysis paralysis".

What size is your room, and what is your budget?
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post #3 of 4 Old 12-30-2012, 07:29 PM - Thread Starter
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the room is 18' by 13' with a cathedral ceiling that kind of joins the space to the kitchen which is the same size (there is an 8' high wall with a pass through between the living room and kitchen but the ceiling is 11' at that point), and the room is carpeted. I'm hoping to keep the sub at around $500, which I spent $250 on the amp already.
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post #4 of 4 Old 12-30-2012, 09:39 PM
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A sealed sub might work for you, a Dayton RSS18HO in 3.5 ft3 is a pretty good match for the O Audio, which has boost applied to all of the HPF settings.

If you want really strong low end output, a ported sub would be better, but you will likely need an even larger box then the above sealed 18.
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