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Digital Design Subs

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=43070
Printed Date: April 28, 2024 at 7:39 PM


Topic: Digital Design Subs

Posted By: kamber
Subject: Digital Design Subs
Date Posted: November 15, 2004 at 8:02 PM

does anyone know anything about them? i cant remember where exactly i heard of them, all i remember is hearing that they were DAMN good subs. I tried visiting their website (ddaudio.com), but that didnt really answer my question. I was wondering if these subs were designed strictly for SPL, or would they make good SQ subs? Personally, a sub that can be used in both spl, and sq (sql???), would be the perfect sub for me, so if anyone knows of a specific model they build for both spl & sq, that would be great too! 

Thanks in advance.




Replies:

Posted By: stevdart
Date Posted: November 16, 2004 at 12:15 AM
I think the majority of quality subs can be used for either SQ or SPL.  It all depends on:  the quality of the power going to them (ohm load on the amp, amp brand...), how many you are using, the quantity of watts, and most importantly the enclosure design and construction.  If it were defined as simply as 'ported vs. sealed' there again the majority of subs would fit into either catagory based on their T/S parameters.  But what was the question?  Oh yeah...no I never heard of them. 

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Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.




Posted By: Asmodeus
Date Posted: November 16, 2004 at 1:50 AM

For the most part The DD Subs are created to handle LARGE Amounts of power and are typically designed and used for SPL...And Man do they bring the noise...I have seen one DD 12 hit high 140s in a stock Volkswagon Jetta.....

The subs are tough as nails but they are power hungry little bastards....I havent done installs using them but I have been to Many Many shows where the DD subs brought down a lot of trophys.....



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posted_image
Making the World A Louder Place




Posted By: xTimx
Date Posted: November 16, 2004 at 7:09 AM
i actually seen a single 15" do 172db's it was nutz!

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xTimx




Posted By: fuseblower
Date Posted: November 16, 2004 at 8:14 AM
These are pretty good subs and can get real loud but as Asmodeus they are very power hungry.  I was once told that they are made by Audiobahn.  Never been able to fin any ties between these two companies.  Maybe one of the other guys in the 12volt network can help you out a little more.




Posted By: Ravendarat
Date Posted: November 16, 2004 at 10:50 AM
Not made by audiobahn in any way shape or form and xTimx I wanna know where you saw a single 15 hit 172, because the highest canadian record I can find it 170.4 and that was a single RFL.

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double-secret reverse-osmosis speaker-cone-induced high-level interference distortion, Its a killer




Posted By: pimpincavy
Date Posted: November 16, 2004 at 11:27 AM
I heard a DD 15" running of a 3000 watt mx autotek amp. THE loudest one sub setup ive heard. It was in a '15 bonniville and it was destroying the car. As far as one sub hitting 170s. Their is a cavalier on cardomain with one 18" (i think its 18) MMATS juggernaut that hit over 170.

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Posted By: kickerstang
Date Posted: November 16, 2004 at 12:40 PM
 Nate Munson used a single DD 10 and a single viper amp in his orange VW( i think it was a VW) and did a 169.2, granted he was only pressuring a small area, but still loud nonetheless.  The loudest vehicle in the world, ran by Mike Jones,uses all crossfire amps and DD subs, 5 15's to be exact.  He is somewhere in the 170's, not exactly sure. So, would you say they are a good quality sub or not??  DD is probably one of the best SPL subs around, not so sure about the SQ side of them though, I don't think I've ever actually seen them in a normal street beat setup, only SPL.  I helped built a ford festiva a few years back that had 8 9500 series 12's on 16 memphis 1000d's.  You could say it was absolutley LOUD!!! The box wasn't tuned right though so it wasn't world record material or anything.  I didn't know anything about tuning and ports back then so I had no part in the box building aspect of the build, i was just the wiring guy. Anyway, yes they are and extremely good sub if you are going for SPL.

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what!?!?! you want some??




Posted By: Ravendarat
Date Posted: November 16, 2004 at 1:46 PM
Kickerstang, that car was an older civic hatchback, I have the mag were it was featured. And in that car you have to remeber that it was not even drivable really. The entire interior was made from MDF and the whole damn thing was geared around putting up high spl numbers. And as far as the loudest vehicle in the world goes, that record seems to change hands daily and no one can seem to keep the classes strait so I wouldnt put to much faith in it

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double-secret reverse-osmosis speaker-cone-induced high-level interference distortion, Its a killer




Posted By: jeffchilcott
Date Posted: November 16, 2004 at 5:53 PM
And then there is me   (8) 12inch subs in a festiva....and it is daily driveable if you dont mind the wall right behind your head...haha

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2009 0-1000 Trunk WR 154.0DB 2009 1001+ Trunk WR
2007 USACI World Champion
2007 World Record
2006 USACI Finals 2nd Place




Posted By: Ketel22
Date Posted: November 16, 2004 at 7:49 PM
Digital Design subs are great for SPL. but also have their down sides...very power hungry and the eclosures are monsterous.

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Quad L Handyman services




Posted By: bumpingjeep
Date Posted: November 16, 2004 at 9:37 PM
i must be disliked or something...i've posted at least two other times about dd subs but no body answered...oh well...the birds are chirping now...power hungry...true...designed for spl...true from what i can tell...good for sq...mmmm...i dunno...everyone that i have ever known that got one or anyone that i have ever heard of got them for spl...as far as box design...its all in your design...i have built boxes for them before that sound absolutely fantastic...but i have also heard them sound equally bad...loud but bad...with the right box you can make almost anything sound good...maybe not trophy winning...but for as loud as they are capable of getting they still have the potential for being great daily drivers...i am currently looking at purchasing two 3512's...planning only only a six cube box though...we'll see




Posted By: kamber
Date Posted: November 17, 2004 at 10:24 AM

Thanks for all of the input people! there is one more question i have about them though. How much do they cost? i mean i see that the user has a choice of what options they want their sub to come with i.e. dual 2 ohm, or quad .7 ohm, etc., but is there a base price set for them, or does the price based strictly on what you specify? Thanks again!





Posted By: pimpincavy
Date Posted: November 17, 2004 at 11:17 AM
The prices

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Posted By: kickerstang
Date Posted: November 17, 2004 at 3:01 PM
i hate ravendarat.  always nitpicking everything, no one said anything about daily drivers, the question at hand was the quality of DD subs

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what!?!?! you want some??




Posted By: Ravendarat
Date Posted: November 17, 2004 at 7:32 PM
posted_image, I was just saying some people like to be able to drive their ster... er car around as opposed to push the thing

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double-secret reverse-osmosis speaker-cone-induced high-level interference distortion, Its a killer




Posted By: uthinkuknoaudio
Date Posted: November 17, 2004 at 8:25 PM
DD subs suck up more power than most any other sub i've ever seen (excluding TREO). Get some serious power and you'll be fine, but i mean real serious power.

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"I don't play games. I play Nakamichi and that for real yo" - Probably some japanese kid said this in the early 80's trying to sell stereo out of his trunk lol.




Posted By: kamber
Date Posted: November 17, 2004 at 9:43 PM

Umm, what exactly do you mean "power hungry"? Arent all subs "power hungry"?





Posted By: uthinkuknoaudio
Date Posted: November 17, 2004 at 11:48 PM
not really, i can give an adire brama 700 watts out of that crazy 1600 WRMS and have it blow your brains with clean power...

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"I don't play games. I play Nakamichi and that for real yo" - Probably some japanese kid said this in the early 80's trying to sell stereo out of his trunk lol.





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