Elemental Designs A7-450 - AVS Forum
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post #1 of 185 Old 03-10-2012, 10:56 AM - Thread Starter
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I figured I would start a new thread dedicated to the A7-450. This sub is a 18 inch ported sub with a 1300 watt amp. I just recently ordered two of them.

My impressions so far are good. I will post more about these when I get more time with them.


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post #2 of 185 Old 03-10-2012, 11:37 AM
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Nice mate. What speakers are those? Its kind of funny to see speakers almost the same height as your sub.
Nice looking room btw.

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post #3 of 185 Old 03-10-2012, 11:49 AM - Thread Starter
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Those are eD [c]12s.

Thanks
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post #4 of 185 Old 03-10-2012, 12:01 PM
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Quote:
Originally Posted by nezff View Post

Those are eD [c]12s.

Thanks

The ed[c]12 that I see on the ED web site is much shorter than what you have pictured. The ones I see on the web site end just below the ports. Are yours custom? Or did ED change the design of the ED[c]12?
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post #5 of 185 Old 03-10-2012, 12:31 PM
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Impressive looking setup!
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post #6 of 185 Old 03-10-2012, 01:47 PM - Thread Starter
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Quote:
Originally Posted by spyboy View Post


The ed[c]12 that I see on the ED web site is much shorter than what you have pictured. The ones I see on the web site end just below the ports. Are yours custom? Or did ED change the design of the ED[c]12?

Custom.
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post #7 of 185 Old 03-10-2012, 02:02 PM
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Do u think the jtr caps are the same as the a-7 450?
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post #8 of 185 Old 03-10-2012, 02:34 PM
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Nice clean setup man. Let us know how it sounds over the a5-350';s. I had a pair of a5-350's in my basement for a while and am interested in the improvement.
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post #9 of 185 Old 03-10-2012, 03:03 PM - Thread Starter
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Quote:
Originally Posted by Robert760 View Post

Do u think the jtr caps are the same as the a-7 450?

Quote:
Originally Posted by mannoiaj View Post

Nice clean setup man. Let us know how it sounds over the a5-350';s. I had a pair of a5-350's in my basement for a while and am interested in the improvement.

Robert, I have never heard the caps. I have to admit, I was in the market for more sub because my room is 30x15. Don't get me wrong, the a5350s did a great job but I'm a basshead. I wanted way more bass than I would ever need. I was also looking into the cap 1000s because I just couldn't do the pro amps mainly because not having a place to put it.

I'm not going to compare the two because I have never heard the jtr caps. Plus I don't won't to start a flame war. My reason for going the route I did was because Alex took care of me with customizing the cabinets and also price. The cabinets were shrunk down widthwise and added back to the depth.
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post #10 of 185 Old 03-10-2012, 03:08 PM
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Ya I hear u!!
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post #11 of 185 Old 03-10-2012, 03:09 PM
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How long did ED take to make and get them to u?
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post #12 of 185 Old 03-10-2012, 03:22 PM
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Looks great, congrats!

Do you know the different tuning the sub is capable of by plugging a port?
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post #13 of 185 Old 03-10-2012, 04:52 PM
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Love the setup. Those eD [c]12s look great. Do you have grills for them? Oh, and I see that you have a wife. She must be a gem. Great looking room and setup.
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post #14 of 185 Old 03-10-2012, 05:30 PM
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Any in room measurements to share?

This beast gets little ink.
Have you encountered their limits with any program material, or test tones? I've always been a fan of this offering/cabinet, as it's phenomenally well braced and robust. I'm interested in it's behavior at it's limits. Can the on-board amp hit the driver's limits, or is the system power limited by design? Can you share your integration efforts with us, i.e., subs/mains/room etc.?

Thanks

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post #15 of 185 Old 03-10-2012, 06:50 PM - Thread Starter
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Quote:
Originally Posted by Robert760 View Post

How long did ED take to make and get them to u?

I had them built then changed the cabinet width and that took a little longer.

Quote:
Originally Posted by dominguez1 View Post

Looks great, congrats!


Do you know the different tuning the sub is capable of by plugging a port?

Haven't played enough with them yet. I got them last Friday evening. Between work and watching my three year old, I'm hard pressed for play time. Lol

Quote:
Originally Posted by Sepen View Post

Love the setup. Those eD [c]12s look great. Do you have grills for them? Oh, and I see that you have a wife. She must be a gem. Great looking room and setup.

Haven't got the grilles yet but I like them without anyway.

Quote:
Originally Posted by FOH View Post

Any in room measurements to share?

This beast gets little ink.
Have you encountered their limits with any program material, or test tones? I've always been a fan of this offering/cabinet, as it's phenomenally well braced and robust. I'm interested in it's behavior at it's limits. Can the on-board amp hit the driver's limits, or is the system power limited by design? Can you share your integration efforts with us, i.e., subs/mains/room etc.?

Thanks

Nothing yet. Plan on doing more measurements when I get the rest of the eD[c]12s and center.
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post #16 of 185 Old 03-10-2012, 07:11 PM
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Are they a legit 300lbs?!?!?! The are a bit bigger physically than the Captivator but weight lliterally more than double, and that driver in the Captivator is no joke!!!!
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post #17 of 185 Old 03-10-2012, 07:32 PM - Thread Starter
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Quote:
Originally Posted by Sidewayz View Post

Are they a legit 300lbs?!?!?! The are a bit bigger physically than the Captivator but weight lliterally more than double, and that driver in the Captivator is no joke!!!!

That is pallet weight. They are a good 250+ though.
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post #18 of 185 Old 03-10-2012, 07:41 PM - Thread Starter
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Here is the driver that is in the a7450

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post #19 of 185 Old 03-11-2012, 08:28 AM
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It's going to be lonely in the A7-450 club I'm afraid. Not too many that I've seen mentioned here in the last 4 years. I have had a A7-350 now for 2.5 years and really enjoy it. I can just imagine how powerful the A7-450 is.

Enjoy!
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post #20 of 185 Old 03-11-2012, 08:38 AM - Thread Starter
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yeah. There are roughly 2-3 more members who are getting them.
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post #21 of 185 Old 03-11-2012, 10:10 AM
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Quote:
Originally Posted by nezff View Post

I'm not going to compare the two because I have never heard the jtr caps. Plus I don't won't to start a flame war.

When comparing these massive output subs it seems like there isn't much of an issue with flame wars. My submersive/cap thread never turned into that.

Love how mean your new subs look, I wish I could hear these seemingly rare subs!
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post #22 of 185 Old 03-11-2012, 10:51 AM - Thread Starter
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Quote:
Originally Posted by carp View Post

When comparing these massive output subs it seems like there isn't much of an issue with flame wars. My submersive/cap thread never turned into that.

Love how mean your new subs look, I wish I could hear these seemingly rare subs!

i hear ya. Just didnt want to tread on thin ice. I want this to be a enjoyable thread where possible customers who are on the fence can come and ask questions about the a7. Compare it to the JTR and of course go ask questions and research in that thread also.
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post #23 of 185 Old 03-11-2012, 01:40 PM
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Nice looking subs!

How's the under 25hz performance on these? Aren't they notorious for dropping like a brick that low? Thanks.

1 Mitsubishi WD-82642 82" TV
1 Onkyo TX-NR929 11.4 setup
2 Emotiva XPA-5's
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2 Definitive Technology BP2004TL's (Mains)
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post #24 of 185 Old 03-11-2012, 01:46 PM
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Quote:
Originally Posted by yadfgp View Post

Nice looking subs!

How's the under 25hz performance on these? Aren't they notorious for dropping like a brick that low? Thanks.

I think you have the wrong subs in mind. Most likely their sealed subs.
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post #25 of 185 Old 03-11-2012, 01:47 PM - Thread Starter
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Audyssey XT32 ON
Dynamic EQ ON
PLII Music
Volume 70 Absolute (-12)
Galaxy CM140 SPL meter used. Calibrated by Cross Spectrum Labs.
C-Weighting Slow

10hz 78.6db
11hz 85.0db
12hz 91.8db
13hz 98.0db
14hz 98.0db
15hz 99.2db
16hz 101.7db
17hz 100.7db
18hz 101.2db
19hz 101.1db

20hz 99.3db
25hz 103.5db
29hz 103.0db
30hz 103.1db
35hz 104.1db
40hz 104.0db
41hz 104.1db
43hz 104.2db
45hz 102.8db
50hz 102.3db
55hz 102.2
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post #26 of 185 Old 03-11-2012, 01:50 PM
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Not bad nezff!

Those numbers look very similar to the performance of the subs I got awhile back that you and I talked about. Nice to see.

Enjoy!

1 Mitsubishi WD-82642 82" TV
1 Onkyo TX-NR929 11.4 setup
2 Emotiva XPA-5's
1 Emotiva XPA-100
1 Definitive Technology CLR 3000 (Center)
2 Definitive Technology BP2004TL's (Mains)
2 Definitive Technology ProMonitor 1000's (Heights)
6 Definitive Technology BPX's (Rears Wides Sides)
4 CHT VS-18.1 Subs
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post #27 of 185 Old 03-11-2012, 01:51 PM - Thread Starter
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Quote:
Originally Posted by yadfgp View Post

Nice looking subs!

How's the under 25hz performance on these? Aren't they notorious for dropping like a brick that low? Thanks.

I have no idea where you got that info, but NO.
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post #28 of 185 Old 03-11-2012, 01:52 PM
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Quote:
Originally Posted by nezff View Post

I have no idea where you got that info, but NO.

I got that info from you. Good to see it's not true.

1 Mitsubishi WD-82642 82" TV
1 Onkyo TX-NR929 11.4 setup
2 Emotiva XPA-5's
1 Emotiva XPA-100
1 Definitive Technology CLR 3000 (Center)
2 Definitive Technology BP2004TL's (Mains)
2 Definitive Technology ProMonitor 1000's (Heights)
6 Definitive Technology BPX's (Rears Wides Sides)
4 CHT VS-18.1 Subs
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post #29 of 185 Old 03-11-2012, 01:58 PM - Thread Starter
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Quote:
Originally Posted by yadfgp View Post

I got that info from you. Good to see it's not true.

you must be mistaken, because I just received these dual subs not even a week ago. I have never run a single test until today on them.

You might be thinking of my old dual A5-350s.
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post #30 of 185 Old 03-11-2012, 02:00 PM - Thread Starter
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I have a video of both of them playing at Reference level 82(0db)
10hz test tone hitting 102dbs
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