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post #31 of 87 Old 11-04-2019, 07:51 AM - Thread Starter
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Originally Posted by Red Five View Post
The only question mark I would have with a material in front of the mouth of the horn is whether or not you get the TR from the air particle movement. That should be easy enough to test though


I will lookout for that. Thanks
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post #32 of 87 Old 11-04-2019, 07:54 AM
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That was before the jeremys devastators were built. Now it’s crazy.
Like I said before, I seriously considered 2 21s in ported boxes. My concern is I don't believe the bass from a pro driver would sound the same as the 24s... if you know what I'm mean.

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post #33 of 87 Old 11-04-2019, 08:16 AM - Thread Starter
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Like I said before, I seriously considered 2 21s in ported boxes. My concern is I don't believe the bass from a pro driver would sound the same as the 24s... if you know what I'm mean.


They all have different sound signatures. That’s one reason Jeremy’s and my GTGs are fun. He uses pro 21’s, and I have all high excursion 18’s, so there’s differences there to compare. I don’t think anyone could ever be disappointed in 24’s! I still haven’t heard one ever. Maybe it’s time for us MI crew to travel for a gtg. Let us know!
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post #34 of 87 Old 11-04-2019, 08:25 AM
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They all have different sound signatures. That’s one reason Jeremy’s and my GTGs are fun. He uses pro 21’s, and I have all high excursion 18’s, so there’s differences there to compare. I don’t think anyone could ever be disappointed in 24’s! I still haven’t heard one ever. Maybe it’s time for us MI crew to travel for a gtg. Let us know!
I would think your room and mine would have the same sound signature, but you have more output than I have.
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post #35 of 87 Old 11-04-2019, 01:50 PM
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Originally Posted by Jk7.2 View Post
They all have different sound signatures. That’s one reason Jeremy’s and my GTGs are fun. He uses pro 21’s, and I have all high excursion 18’s, so there’s differences there to compare. I don’t think anyone could ever be disappointed in 24’s! I still haven’t heard one ever. Maybe it’s time for us MI crew to travel for a gtg. Let us know!
just curious as far as Lavoce goes..why did you pick the WAF..over the SAN or the SAF.... I really dont know the difference in the 3..was just curious..

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post #36 of 87 Old 11-04-2019, 02:03 PM - Thread Starter
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just curious as far as Lavoce goes..why did you pick the WAF..over the SAN or the SAF.... I really dont know the difference in the 3..was just curious..



Chad


I don’t know. Lol. I chose the driver based on the recommendation in the devastator index
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post #37 of 87 Old 11-04-2019, 02:27 PM
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Xmax, pricing, the WAN I do not believe was on clearance when I designed the box. The WAF Still has a stiffer suspension at .29 total Q, though both would most likely work well. Xmax is close, the WAN has an extra .4mm, which considering the application of the sub is not as relevant, though I did not want to cut xmax too short
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post #38 of 87 Old 11-04-2019, 02:29 PM - Thread Starter
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Originally Posted by Red Five View Post
Xmax, pricing, the WAN I do not believe was on clearance when I designed the box. The WAF Still has a stiffer suspension at .29 total Q, though both would most likely work well. Xmax is close, the WAN has an extra .4mm, which considering the application of the sub is not as relevant, though I did not want to cut xmax too short


Thanks for chiming in on that one.
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post #39 of 87 Old 11-04-2019, 02:49 PM
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thanks..

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post #40 of 87 Old 11-04-2019, 03:00 PM
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I'm really glad I stumbled across this thread Jared! I didn't know you were doing this. It's really a great thing you are though because you need more speakers in your room. Seriously, be anxious to hear them next time you host a gtg. That frequency range has interested me too with the 1099s and my 6 18s. Might have to follow your lead. Be watching with interest!!

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post #41 of 87 Old 11-04-2019, 03:04 PM - Thread Starter
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Dual Devastator micro build

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Originally Posted by luv2fly3 View Post
I'm really glad I stumbled across this thread Jared! I didn't know you were doing this. It's really a great thing you are though because you need more speakers in your room. Seriously, be anxious to hear them next time you host a gtg. That frequency range has interested me too with the 1099s and my 6 18s. Might have to follow your lead. Be watching with interest!!


Haha it’s not my lead brother! I’m just getting in the line following as well. I am excited, because I really couldn’t believe what Jeremy’s devastators added to his setup. And he has 4 V3’s! So everything helps. You have so much space, I’d be deaf so quick if I had the space to do. I’d fill every space with a sub. Lol
Also, my last available output from my 10X10 is itching for a job to do. I can’t wait to play with this setup once it’s all built. I might be crossing over to mains higher then I ever though I would. 120..... who knows.
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post #42 of 87 Old 11-04-2019, 04:00 PM
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Or just wait 5 min until I sell these. Hahahaha!
No, for real
Be fun to watch....and keep me in mind!!
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post #43 of 87 Old 11-04-2019, 04:08 PM - Thread Starter
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What would you guys say to this...
Loose the top titan mbm, and build 3 devastator mini’s. Each positioned where the other titan module was.
Well, 1st things 1st. Get these two built.
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post #44 of 87 Old 11-04-2019, 04:15 PM
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Originally Posted by Jk7.2 View Post
What would you guys say to this...
Loose the top titan mbm, and build 3 devastator mini’s. Each positioned where the other titan module was.
Well, 1st things 1st. Get these two built.
The Minis are easy to build and handle, but integration could get very tricky without doing it as a two way setup.

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post #45 of 87 Old 11-04-2019, 04:18 PM
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Dual Devastator micro build

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Originally Posted by Jk7.2 View Post
What would you guys say to this...
Loose the top titan mbm, and build 3 devastator mini’s. Each positioned where the other titan module was.
Well, 1st things 1st. Get these two built.

125db capable mains down to 20hz, might be a bit much.

I would be concerned about integration with your sub stage though.

Now for straight 2 channel music, it would definitely be fun.

EDIT: @Red Five beat me to it. Disagree on the easy to handle part though, they’re 200lb subwoofers. I think the titan mbm is easier to handle.

Chris


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post #46 of 87 Old 11-04-2019, 05:05 PM
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Originally Posted by Jk7.2 View Post
What would you guys say to this...
Loose the top titan mbm, and build 3 devastator mini’s. Each positioned where the other titan module was.
Well, 1st things 1st. Get these two built.
Nope. Your front stage looks too Bad Azz
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I agreed


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post #48 of 87 Old 11-04-2019, 05:45 PM
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Dual Devastator micro build

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Originally Posted by Jk7.2 View Post
What would you guys say to this...
Loose the top titan mbm, and build 3 devastator mini’s. Each positioned where the other titan module was.
Well, 1st things 1st. Get these two built.


I like where you head is at.


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post #49 of 87 Old 11-05-2019, 05:55 AM - Thread Starter
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Major progress!!!!!!
Well not really. I did get the 2X4’s cut
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post #50 of 87 Old 11-05-2019, 07:37 AM
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I like where you head is at.


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I definitely like this idea and you could always use the Titan 15s on something else. Plus that would be a quick swap

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post #51 of 87 Old 11-05-2019, 07:39 AM - Thread Starter
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I definitely like this idea and you could always use the Titan 15s on something else. Plus that would be a quick swap

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I’d still run the devastators as subs, not as part of the speaker, which I think might have been misunderstood. But I do like how it is now. I’ll just play with these and see what’s gonna work.
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post #52 of 87 Old 11-05-2019, 11:52 AM
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Quote:
Originally Posted by Jk7.2 View Post
What would you guys say to this...
Loose the top titan mbm, and build 3 devastator mini’s. Each positioned where the other titan module was.
Well, 1st things 1st. Get these two built.
I don't know, I would guess that the 2nd Titan module helps them to keep up with all the bass in your room, and I wouldn't want to totally overpower them. Plus, I have to admit, I love the dual Titans.
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post #53 of 87 Old 11-05-2019, 02:43 PM
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Your build thread is now on the Index
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You can always turn it down, but you can only turn it up so much (before you run out of power, excursion or structural integrity).
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post #54 of 87 Old 11-06-2019, 07:19 AM - Thread Starter
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Your build thread is now on the Index


Well in that case, would you, for the record, post in this thread how you suggested I integrate these with my hst’s? I know you told me over PM, but I think it would be helpful for me and maybe others.
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post #55 of 87 Old 11-06-2019, 07:51 AM
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I would attempt crossing over between the HSTs and the Micro at 60Hz. It should be in the sweet spot for the Micros output and keep excursion down. Roll the HSTs off with a 4th order LPF at 60Hz. For the Micro apply a 2nd order HPF filter at 60Hz. You now have an active crossover network between both sub sets. This should help with integration, you should be dodging phasing issues letting each sub system work in a respective frequency range. I was talking to John about a taped horn and what is essentially the Micro and how to work around the rather narrow frequency range of the TH, since the cutoff is around 60Hz or so. I believe those two filters are commonly used in full range speaker crossovers. He mentioned and it is true getting 130db out of a 15" is not that difficult above 60Hz, but the Micro is designed to take that to different levels
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You can always turn it down, but you can only turn it up so much (before you run out of power, excursion or structural integrity).
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post #56 of 87 Old 11-06-2019, 09:24 AM - Thread Starter
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I would attempt crossing over between the HSTs and the Micro at 60Hz. It should be in the sweet spot for the Micros output and keep excursion down. Roll the HSTs off with a 4th order LPF at 60Hz. For the Micro apply a 2nd order HPF filter at 60Hz. You now have an active crossover network between both sub sets. This should help with integration, you should be dodging phasing issues letting each sub system work in a respective frequency range. I was talking to John about a taped horn and what is essentially the Micro and how to work around the rather narrow frequency range of the TH, since the cutoff is around 60Hz or so. I believe those two filters are commonly used in full range speaker crossovers. He mentioned and it is true getting 130db out of a 15" is not that difficult above 60Hz, but the Micro is designed to take that to different levels


Thanks for that info. I’ll do it exactly.
It also gives me the confidence that the micro’s output will be more then the hst’s above 60hz. Otherwise it wouldn’t of made sense to add these.
Another question:
Will I have to add that same filter to my rear subs too? Or just let them go where they are set. Then there’s my nearfield. Seems like a lot of opportunities to have cancelations. We shall see!
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post #57 of 87 Old 11-06-2019, 09:38 AM
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Thanks for that info. I’ll do it exactly.
It also gives me the confidence that the micro’s output will be more then the hst’s above 60hz. Otherwise it wouldn’t of made sense to add these.
Another question:
Will I have to add that same filter to my rear subs too? Or just let them go where they are set. Then there’s my nearfield. Seems like a lot of opportunities to have cancelations. We shall see!

More than likely the rear subs will run into phasing issues full range. Depending how much power you have on tap the Micros should be able to stick with the rest of the system. If you can push them up to 135db each, two should get you up to the 138db range. If you find a way to add two more and have colocated sets mid 140s should be doable. However, two should start to stress structural integrity
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post #58 of 87 Old 11-06-2019, 09:40 AM
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Quote:
Originally Posted by Jk7.2 View Post
Thanks for that info. I’ll do it exactly.
It also gives me the confidence that the micro’s output will be more then the hst’s above 60hz. Otherwise it wouldn’t of made sense to add these.
Another question:
Will I have to add that same filter to my rear subs too? Or just let them go where they are set. Then there’s my nearfield. Seems like a lot of opportunities to have cancelations. We shall see!


Yes, you will likely have to cross all the other subs at 60 to avoid cancellation issues. Its a 2 way sub stage design.

I’m not sure what port tune on the micro is, but you can try crossing it higher to integrate. I believe 10hz above port tune is a good starting point. Of course, you loose 10hz of output from the micros, but you might be able to run your other subs higher.
I’m sure @Red Five can let you know what the port tune is.

Lots of measurements and experimentation will probably be needed.

Chris


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post #59 of 87 Old 11-06-2019, 09:44 AM
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Port tune is suppose to come in at 53Hz, but usually they come in a little lower. 60Hz is where the Micro really gets solid footing and just so happened to be where the BMD MAX would start trending downwards.

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post #60 of 87 Old 11-06-2019, 09:51 AM
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Quote:
Originally Posted by Red Five View Post
Port tune is suppose to come in at 53Hz, but usually they come in a little lower. 60Hz is where the Micro really gets solid footing and just so happened to be where the BMD MAX would start trending downwards.


Well, thats handy. Integration near 60 actually may work out.

Chris


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