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Old 16th September 2004, 05:07 PM   #1
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Question sub driver for best sealed performance?

I have been searching and searching... I have looked through the DIYaudio forums tons of times and find information that almost helps, but isn't quite what I need. I have also been searching the internet for drivers and have had no luck in finding what I want. I am hoping someone can point out something I missed...

I already have built a sealed sub with the Adire DPL12. It sounds good, but really lacks output. There is absolutely no way it can keep up with my mains. I run this sub along with a Klipsch KSW-12 (which is not a really great subwoofer- it is rather boomy and congested sounding to me) so that I can get some extra power. It helps, but kind of ruins the sound in the process. Great for home theater, bad for music.

I am wanting to locate a 10" or 12" driver with the following specs:

very high Xmax- greater than 16mm at least, preferably in 20's and above
at least 600W RMS power handling
low Fs
high sensitivity (at least 90dB with 1W- most subs are very low)
capable to work in SMALL sealed box with a maximum -10dB point of 20Hz
price should also be fairly low... no more than $250

Fairly difficult criteria... I know. I've been looking around and have only managed to find the following woofers that might work:

Adire Shiva MKIII
Adire DPL12
Dayton 12" Titanic MKIII
Peerless 12" XLS
Stryke Audio AV12
TC Sounds TC2+ (and other variants)

I really want this sub to be a "wow" kind of thing. Extreme bass extension and very high SPL- would like to break the 120dB barrier in room.

Does anyone know of a monster subwoofer that will do this without breaking the bank? Thanks all
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Old 16th September 2004, 06:20 PM   #2
foo is offline foo  Tibet
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I think some sub drivers from SS does a good job in sealed boxes.
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Old 16th September 2004, 06:33 PM   #3
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SS?

I have never heard of this company... a link perhaps?

Thanks
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Old 16th September 2004, 06:37 PM   #4
bogoes is offline bogoes  United States
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You want to break 120db at what frequency exactly?!?! 40Hz, 50Hz, 20Hz ???

Finding a single 12" sealed sub to play that loud will be quite the challenge in a decent sized room. Why don't you move up to a 15" in an ported EBS alignment - that will give you plenty of output down to 17Hz or so, and the group delay will be pushed down to a hertz where it shouldn't muddy up the sound. Only problem is that it will be quite large - but you won't need much power to get the most out of it. I don't know of any 10 or 12 in a sealed config that will play 120db without pushing it beyond xmax at which point your sound quality goes out the door.

There's no replacement for displacement...

Good luck.
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Old 16th September 2004, 06:48 PM   #5
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120dB at 20Hz is a little much...

But I'd like to get along at 120dB from around 30Hz up.

I am looking at some 15" woofers right now...

I was going to use my sonotube for the enclosure, so a 12" would be necessary there. I don't think a 15" will fit... and if it does, it'll be quite snug.
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Old 16th September 2004, 06:56 PM   #6
ScottG is offline ScottG  United States
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since your thinking about sonotube then consider a t-line.

not exactly pretty, but..

http://www.t-linespeakers.org/projects/steve/index.html
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Old 16th September 2004, 07:08 PM   #7
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Quote:
price should also be fairly low... no more than $250
Whoa! I was almost with ya' until this point.

Quote:
There's no replacement for displacement...
Exactly what I was thinking. You're going to need something larger than 12". What you're looking for is the Maelstrom.
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Old 16th September 2004, 07:11 PM   #8
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Ok, maybe I exaggerated the $250 price point. But, it'd be nice.

Let's put it this way, I won't go above $400 for sure.

I have been looking at the Maelstrom... but 18" is huge... I'll look at how it models up, though.
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Old 16th September 2004, 08:03 PM   #9
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closest i've seen for ~$250 is
http://www.northcreekmusic.com/Thunder/ThunderInfo.htm
http://www.northcreekmusic.com/Thund...derCabinet.PDF

Capable of 105dB SPL Bass to 20 Hz...

Still way shy of 120 dB

Up to building a Lab Horn? That would give the SPL with two 12" drivers, but the drivers are $150 each, + wood...

don't want much huh?
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Old 16th September 2004, 08:47 PM   #10
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Default have you ever heard 20Hz @ 120 db? if so can you still hear?

low freqs at high spl kill the filliai in your ear!. this is irreversable! and next year you will want 130 Db LOL stop while ur ahead!
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