AVS Group Project......Speaker Name: SEOS Maximus - Page 43 - AVS Forum | Home Theater Discussions And Reviews

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Old 12-07-2015, 10:26 PM
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You may at some time find yourself saying "what did you say?" a lot in conversation....
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Old 12-08-2015, 04:07 AM
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Originally Posted by bwaslo View Post
You may at some time find yourself saying "what did you say?" a lot in conversation....
Hah!

Yeah, it would be easy to get carried away, but honestly, I'm not thinking about banging on 135+ very often, I'm thinking more about effortlessness and lack of distortion at ~105, and the tactile growl of an open E string having 4 high Q 18s sitting back there for music.
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Old 12-09-2015, 05:53 AM
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Was the single 18" version of these ever realized? I saw it mentioned in the thread, and I could have sworn I saw it on diysg...am I losing my mind, or is it gone now?
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Old 12-09-2015, 05:59 AM
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Single 18.....lol You need the single 21" version.
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Old 12-09-2015, 06:16 AM
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Single 18.....lol You need the single 21" version.
Hah, I might. I really want to build these, but at the same time, I'd like to have some budget space for more subs.

I could just get un-lazy and take on the project from scratch.

Is there a specific 21 that's been discussed, admittedly I skimmed the thread quickly and probably missed it if it was.
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Old 12-09-2015, 06:29 AM
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Erich originally mentioned designing a massive 3 way with a 21" driver for the bass. Then went to the dual 18 down the road. I guess the dual 18 at least got finished.

Its really a matter of how loud do you need it?

Most people are not going to want anything louder than a Tempest 12. If you need more than a Fusion 15 would be the ticket. Need more than Maximus XL(dual 12's.) More then yes step up to the Intrusive.

We are talking about stupid levels of volume here. I dont know of anyone that would push the limits of the Fusion in a HT room. But its your money. I thought about building a dual 12" version of the Intrusive for my setup. BUT the costs got too high so I had to come back down to reality. Cinema 10 Max it is for me. lol

Last edited by chrapladm; 12-09-2015 at 06:33 AM.
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Old 12-09-2015, 07:01 AM
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Originally Posted by chrapladm View Post
Erich originally mentioned designing a massive 3 way with a 21" driver for the bass. Then went to the dual 18 down the road. I guess the dual 18 at least got finished.

Its really a matter of how loud do you need it?

Most people are not going to want anything louder than a Tempest 12. If you need more than a Fusion 15 would be the ticket. Need more than Maximus XL(dual 12's.) More then yes step up to the Intrusive.

We are talking about stupid levels of volume here. I dont know of anyone that would push the limits of the Fusion in a HT room. But its your money. I thought about building a dual 12" version of the Intrusive for my setup. BUT the costs got too high so I had to come back down to reality. Cinema 10 Max it is for me. lol
The Fusion 15 is the other one that's in consideration, or the 1099, if the kits are available again by the time I do this.

I've been building and designing speakers for quite a number of years, but all of these diysg speakers are tempting, simply because the work is already done competently, and the price is great considering the time savings...plus I really don't want to have to make a jig to route the seos wg.

When I really get rocking loud (for me) it's probably somewhere in the neighborhood of 105-ish. Maybe a bit more on really hard peaks. I really want to build something that can do it, and still essentially be asleep. I don't want to worry about power compression or distortion, and I don't want to smell voice coils when I put on blue man group with the level at +5.

1899 seems like the ticket, but it's almost...too much. The angel on my shoulder is saying "Dude, just design a 3 way with 1x high Q 18", and the devil is yelling "No, more, more more!"

I've got a couple of months to figure out what route I'm taking for 2016's "let's add speaker number 14 to the collection" escapade...we shall see what it ends up being. I've been "90% sure" it would be this, or that, or the other thing a few times now...

Such schizophrenia.
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Old 12-09-2015, 07:11 AM
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Umm have you not seen this video?
https://www.youtube.com/watch?v=WdNLDZQLga8

I think you will be fine with volume. If not fusion 12 tempest sealed and add a single ported 18".

Last edited by chrapladm; 12-09-2015 at 07:34 AM.
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Old 12-09-2015, 07:17 AM
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I think the potential for serious midbass is what makes it attractive ... The best midbass I ever heard in a home theater was from a Legacy Whisper... It would cut right through you. I would imagine the 1899 would rival the whisper.
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Old 12-09-2015, 08:14 AM
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Quote:
Originally Posted by chrapladm View Post
Umm have you not seen this video?
https://www.youtube.com/watch?v=WdNLDZQLga8

I think you will be fine with volume. If not fusion 12 tempest sealed and add a single ported 18".
That's blocked in the US

Edit: I checked out some of the other videos he's got up. The fusion 12 is right about where I'm at right now for LCR as far as output level. The 3 way in my picture is sorta what I'm at now, I've just chopped those cabs up because I decided I was done trying to make the 220ti/dayton round wg sound good. I stuck the Faital w10n into an old set of peavey cabs that have the wg with shorter vertical dispersion, but the 10" midwoofs are just...meh...and they don't measure very well.

I need to step up the lunacy.

Last edited by DrDyna; 12-09-2015 at 08:27 AM.
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Old 12-09-2015, 10:35 AM
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Originally Posted by DrDyna View Post
Just for fun this morning, I mocked up 3 of these just to get a feel for the size. I was planning on building something much more pedestrian to replace my LCRs with, but man...these things...with a kw or two behind em..

This might be too much fun to not do.

February's upgrade budget can't come quick enough, I might just have to do this.
That is awesome!

I might be fortunate enough to have a dedicated room next year so these are in my sights!
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Old 12-09-2015, 02:37 PM
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Not sure why his video is blocked in the USA. Its where he lives. But anyways. There are just so many options that it gets hard to decide which is best for one person. Dual 12 setup like Tux's looks really nice and compact also. But if budget is not a consideration than 1899 would be a win then. I would lean towards a 1599 for my maximum speaker size.
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Old 12-09-2015, 04:16 PM
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Originally Posted by chrapladm View Post
Not sure why his video is blocked in the USA. Its where he lives. But anyways.
It is probably the music that he has playing in the clip that has been flagged.
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Old 12-09-2015, 07:30 PM
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Ah ok. I saw his Synergy had the audio all blocked so it could be the same thing.

DrDyna here is another option for you. Its Erich's original maximus since there want much interest in the single 21. SO here is a single 18" , Eminence 12, and FL-450. Not sure if the schematic is available but this build would be crazy but not too extreme like the dual 18.



Size comparison


Last edited by chrapladm; 12-09-2015 at 08:46 PM.
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Old 12-10-2015, 03:01 AM
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Originally Posted by chrapladm View Post
Ah ok. I saw his Synergy had the audio all blocked so it could be the same thing.

DrDyna here is another option for you. Its Erich's original maximus since there want much interest in the single 21. SO here is a single 18" , Eminence 12, and FL-450. Not sure if the schematic is available but this build would be crazy but not too extreme like the dual 18.

Thank you! That is exactly the one I remember seeing that I mentioned in 1263.
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Old 12-10-2015, 04:50 AM
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If I remember correctly, Erich said the Maximus 18 prototype used more expensive drivers than the 1899, so it wasn't really cheaper than the 1899, but, it didn't sound as good or perform as well as the 1899, so he dropped the Maximus 18 design completely.
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Old 12-10-2015, 06:10 AM
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The Maximus used a single 18TBW100 and Eminence Deltalite 12" and FL450. He did originally have a BC 12" midrange but found the Deltalite to be superior fitting with the FL450 combo. Erich later made the Intrusive and mentioned having dual BC 18's or the cheaper and higher tuned Eminence 18's.

SO when it comes to expenses its a matter of how much things cost each person. Dual 18's gets costly regardless unless we are using the Dayton 18's for about 90 each. SO I myself would probably go with a single 18" because the smaller cabinet size myself. AND BC speakers are cheaper for me to buy so thats what I would use. If needing more than a single 18" then try a 1599 of your own design.

When I start to see these crazy speakers it makes me want to try and tackle my synergy horn using multiple bass drivers. I can dream....
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Old 12-28-2015, 03:10 PM
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Anyone start a 1899 intrusive build yet?

I'm kinda tempted as I am building a screenwall!
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Old 12-28-2015, 03:17 PM
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Anyone start a 1899 intrusive build yet?

I'm kinda tempted as I am building a screenwall!

Check it out 1899 LCR Build

The Elusive 1099 (L/C/R)---DIY Volt 10 (surrounds 9.4)---SVS PB 12 Plus---SVS PC 12 Plus---2 DIY 18's sealed--2 Pico Wreckers (tapped horns)---AVR Denon 4311CI---Emotiva Xpa-3---Behringer Nu6000DSP & Nu3000DSP iNuke---TV Vizio 70---110" Motorized Screen---Epson 8350 Projector---Unraid Network Storage---Gateway SX 2370 HTPC with 120 SSD
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Old 12-28-2015, 03:26 PM
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Check it out 1899 LCR Build
Awesome, thanks!
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