7.6 cu.ft Maelstrom- X 18" build - Page 7 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #61 of 305 Old 09-25-09, 07:36 PM
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Re: 7.6 cu.ft Maelstrom- X 18" build

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sub_junkie wrote: View Post
Wow. How did it dent the cone?
The driver was rocking out too much and reached it's excursion limits. It still works fine but were the cone attaches in the middle hit the back plate and caused the dent. This was in a new room and found out really fast that 1 sub was not going to cut it. Of course this happened with LF or DH as it breezed through the other tests, I could hear when bad stuff started to happen but I was too late with the pause button.

I am surprised I haven't cooked a driver fully yet, most on this forum would say I am just not trying hard enough
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post #62 of 305 Old 09-25-09, 08:25 PM
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Re: 7.6 cu.ft Maelstrom- X 18" build

Rent the Incredible Hulk movie, the part where they hit him with the sound gun is awesome.




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post #63 of 305 Old 09-25-09, 08:30 PM Thread Starter
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Re: 7.6 cu.ft Maelstrom- X 18" build

Edit: I meant that sucks to Sub_crazy
I didn't mean the movie part Mike. Sorry for the confusion


That sucks.
I have noticed that it sounds like the driver is bottoming out while listening to regular music. How can this be happening? The amp isn't clipping, and it doesn't look like the sub is at 33mm, but it sound like it. I have the HPF set at a minimum of 12hz, and there shouldn't be any bass below what sounds like 20hz. I especially noticed it while playing Throw It Up Chopped And Screwed. My mains were set at -7dB, and the receiver is set at 62dB. The sub channel was set at 0dB. I have the gain all the way up on the EP2500, and the output on the MIC2200 is in between 0dB and +8dB, so I'm guessing it's set around +4dB or so. Should the sub be louder that what it is with the gain and everything how it is?

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Last edited by sub_junkie; 09-25-09 at 09:33 PM.
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post #64 of 305 Old 09-26-09, 12:48 AM Thread Starter
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Re: 7.6 cu.ft Maelstrom- X 18" build

I think that vicious circle of upgrading has begun...

What would be the optimum box size for a dual 18" PR'd Mal-X? I'm mostly just curious, but can't get it to model it right. If it looks much much better on the low end (not that I really need more...) I might just get a few PR's from Kevin in a few months
I would like to model it in my program, so if someone models it, could I get all the specs like the weight added, etc...? I can get the PR's specs though haha.
I just don't know how to compare a PR'd box compared to the ported on I already have according to WinISD. I just can't seem to get it right.

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post #65 of 305 Old 09-26-09, 03:22 AM
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Re: 7.6 cu.ft Maelstrom- X 18" build

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The 11hz tone on Bass I Love You is insane.
I thought it was 18Hz and 7Hz? I've heard several other's too...I'd like to know the actual tones
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post #66 of 305 Old 09-26-09, 11:59 AM Thread Starter
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Re: 7.6 cu.ft Maelstrom- X 18" build

I had heard that it was 6hz, and 11hz tones in it. But, who knows. I will try a 11hz test tone if I get a chance to see if it compares to the one in the song. I will try lower test tones also to see which one compares the best to the 6hz or 8hz tone. Would there be a program that can tell you what the bass tones in a song is?

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post #67 of 305 Old 09-26-09, 01:44 PM Thread Starter
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Re: 7.6 cu.ft Maelstrom- X 18" build

About how much mass would I need to apply to both PR's in a 5 cu.ft box?

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post #68 of 305 Old 09-26-09, 01:54 PM
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Re: 7.6 cu.ft Maelstrom- X 18" build

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I just don't know how to compare a PR'd box compared to the ported on I already have according to WinISD.
The PR's will show that it rolls off a little faster compared to a ported sub.




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post #69 of 305 Old 09-26-09, 02:42 PM
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Re: 7.6 cu.ft Maelstrom- X 18" build

Mike P. would have a better idea if it is worth it but I don't think you will gain anything by going the PR route over your large ported enclosure. The only gain you will get is a smaller enclosure. The extra money would be better spent on another Mal-X if you can shoe horn it in.
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post #70 of 305 Old 09-26-09, 04:06 PM Thread Starter
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Re: 7.6 cu.ft Maelstrom- X 18" build

So basically, the PR's wouldn't be much of an improvement?

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