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just another seos 24 build - Page 2

post #31 of 55
Quote:
Originally Posted by cookieattk View Post

yes still 4 td15m + 4 td18h for mains then 8 fi ib18 in the front wall then 2 uxl 18s behind seating :P

BEASTMODE
post #32 of 55
Cookie, just curious what are the room dimensions the speakers are going in?
post #33 of 55
Thread Starter 
small room 26'x16'x9'
post #34 of 55
Quote:
Originally Posted by cookieattk View Post

small room 26'x16'x9'
\
Small. cool.gif Some of us would kill for that size room. wink.gif
post #35 of 55
Quote:
Originally Posted by bass addict View Post

\
Small. cool.gif Some of us would kill for that size room. wink.gif

That's for sure. Small is 11.5 x 13.5 x 8. Only advantage is how few subwoofers it takes to fill the space. Three 18's and a couple 12's and I can do destruction. smile.gif
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post #36 of 55
That is gonna be potent at all frequencies! What range will the TD18s cover?
post #37 of 55
Thread Starter 
Quote:
Originally Posted by gpmbc View Post

That is gonna be potent at all frequencies! What range will the TD18s cover?

only 30-80 maybe 100 idk
post #38 of 55
Cookieattk, are you using these in a 3-way configuration with the BMS coaxl 4594 on a Seos-24 and a pair of AE TD15's per speaker, then some AE TD18's for subwoofer duties?
post #39 of 55
Thread Starter 
Quote:
Originally Posted by Martycool007 View Post

Cookieattk, are you using these in a 3-way configuration with the BMS coaxl 4594 on a Seos-24 and a pair of AE TD15's per speaker, then some AE TD18's for subwoofer duties?


ib from 5-30 depending on music
post #40 of 55
Any polars? Thanks!
post #41 of 55
bump
post #42 of 55
Any news on this project?smile.gif
post #43 of 55
Quote:
Originally Posted by clausdk View Post

Any news on this project?smile.gif

I'm guessing the project got scrapped since the TD15M's are for sale in the classifieds.
post #44 of 55
Quote:
Originally Posted by ozziedog View Post

I'm guessing the project got scrapped since the TD15M's are for sale in the classifieds.

That's discouraging! I was about to embark on a DIY project and trying to decide between SEOS 18 with either 1" or 1.4" throat or step up to the SEOS 24 and the BMS 4594ND Coax driver.
post #45 of 55
Quote:
Originally Posted by clausdk View Post

That's discouraging! I was about to embark on a DIY project and trying to decide between SEOS 18 with either 1" or 1.4" throat or step up to the SEOS 24 and the BMS 4594ND Coax driver.

That does stink, but don't be discouraged....still a very worthwhile thing to pursue, and now you can probably buy some of this gear for less
post #46 of 55
Quote:
Originally Posted by clausdk View Post

That's discouraging! I was about to embark on a DIY project and trying to decide between SEOS 18 with either 1" or 1.4" throat or step up to the SEOS 24 and the BMS 4594ND Coax driver.
Don't be discouraged, you won't regret it.
post #47 of 55
Quote:
Originally Posted by clausdk View Post

That's discouraging! I was about to embark on a DIY project and trying to decide between SEOS 18 with either 1" or 1.4" throat or step up to the SEOS 24 and the BMS 4594ND Coax driver.

There is a 1.4" throat 18?
post #48 of 55
Quote:
Originally Posted by clausdk View Post

That's discouraging! I was about to embark on a DIY project and trying to decide between SEOS 18 with either 1" or 1.4" throat or step up to the SEOS 24 and the BMS 4594ND Coax driver.

Go for the Seos-24 and the BMS-4594 as it would likely hold pattern down a good bit lower than the Seos-18, and be better down at lower frequencies. The Seos-18 is only marginally better than the Seos-15. If you go for the Seos-18, understand that your compression driver choices won't include any of the wonderful BMS coax drivers. The best 1.4" compression driver at this time is the Radian 951BePB with a Be diaphragm it should be close in terms of pure SQ to the BMS, but it would lack in pattern control and would have to employ a higher crossover point. Not only that, but the Radian 951BePB is $1,100.00 each, and is the only way you will be able to get Seos-24 + BMS-4594 sound quality with the Seos-18 and any various 1.4" compression driver!
post #49 of 55
Quote:
Originally Posted by moosifee View Post

There is a 1.4" throat 18?
There was talk of it, but it wasn't finished in time for the last Group Buy. You can have Erich ask and see if it's available yet.

Quote:
Originally Posted by Martycool007 View Post

Go for the Seos-24 and the BMS-4594 as it would likely hold pattern down a good bit lower than the Seos-18, and be better down at lower frequencies. The Seos-18 is only marginally better than the Seos-15. If you go for the Seos-18, understand that your compression driver choices won't include any of the wonderful BMS coax drivers. The best 1.4" compression driver at this time is the Radian 951BePB with a Be diaphragm it should be close in terms of pure SQ to the BMS, but it would lack in pattern control and would have to employ a higher crossover point. Not only that, but the Radian 951BePB is $1,100.00 each, and is the only way you will be able to get Seos-24 + BMS-4594 sound quality with the Seos-18 and any various 1.4" compression driver!
You do realize the BMS coax is also available in 1.4"? That's what I'm using with my SEOS-24.
post #50 of 55
Quote:
Originally Posted by Face2 View Post

There was talk of it, but it wasn't finished in time for the last Group Buy. You can have Erich ask and see if it's available yet.
You do realize the BMS coax is also available in 1.4"? That's what I'm using with my SEOS-24.

I was not aware of that! What would the performance differences be between the 4594 2" version and the 4594 1.4" version? There would have to be some differences, such as the 1.4" version not being able to cross as low as the 2" version? Is that a correct assumption? Is the 1.4" version any cheaper? I would love to order a pair of the BMS-4594, but the $700+ price on each one is kind of a difficult pill for me to swallow! I did come across a pair of JBL-2446 2" compression drivers for under $300, and I have considered picking them up to run on a Seos-24 and sometime later down the road, as funds permit, I could add in Be diaphragms because the same Be diaphragms that fit the Radian 950PB also fit the JBL-2446, and I have been told from people that have experience with both the Radian 950PB and the JBL-2446 that they sound pretty much identical when both are utilizing the Be diaphragms.
post #51 of 55
Basically, they're the same CD, but with a different exit size. It can dig just as deep in a SEOS-24 as well.
post #52 of 55
You want a rule of thumb? Never use a 2" throat unless you absolutely have to...or are using it only as a midrange. The larger throat won't do well above 8khz. The ideal throat size is 1" but it is pretty much impossible to implement a diaphragm and phase plug that can play much below 1khz and exit that small.
post #53 of 55
What about the BA750? Measurement have shown that it'll reach into the 650hz region. The cat's meow might be the BA750 with a beryllium diaphragm.
post #54 of 55
That would be the "cat's meow" rajacat. Of course, getting Be phragms made is no small task. Coated titanium is nice too but not exactly Be. The BA750 is probably the best CD for the SEOS-18 IMO.
post #55 of 55
I can source the SEOS 24 locally for 270 dollars in glassfiber and with another 10% I can add a color and some sort of marble finish.

The BMS will set me back 600 dollars.

I am considering the AE TD15M woofer and maybe an Audiotechnology 15" flex unit, which I can get 10mins from there I live. I'm visiting the audiotechnology factory in the near future to have a talk with them about what driver could work with a 500hz or so XO.

Initially I would try and make an XO using a minidsp.

I'm starting off bulding a center channel, and if it works out I'll put effort into left and right channels. The center is hidden so the cabinet doesn't have to be pretty, just well build.

I am a total noob designing XO's, so I am jumping into this.
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