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Budget Eminence Coaxial surround build!!! - Page 6

post #151 of 867
There will be one with the Eminence woofer, but there's room for 2 designs. I was thinking about the Faital Pro for other models. If you have any other ideas, just let me know.

I was also hoping to use a compression driver on the Eminence that didn't use a titanium diaphragm, and Celestion makes a screw on compression driver that might work okay. I thought about getting a custom one like the DNA-360, but I don't have enough time right now to work on that project.
post #152 of 867
Quote:
Originally Posted by Erich H View Post

There will be one with the Eminence woofer, but there's room for 2 designs. I was thinking about the Faital Pro for other models. If you have any other ideas, just let me know.

I was also hoping to use a compression driver on the Eminence that didn't use a titanium diaphragm, and Celestion makes a screw on compression driver that might work okay. I thought about getting a custom one like the DNA-360, but I don't have enough time right now to work on that project.

Whats your opinion on this setup for LCR duty?
post #153 of 867
So do single drive coaxial speakers, such as the ones referenced in this build, or the JTR-single-8, need a crossover? Or do you just send a full range signal? If they do require a crossover, how is that crossover different from a crossover in a conventional speaker?
post #154 of 867
They do require a crossover, they are just two drivers mounted together. Look earlier in the thread and you can see the crossover discussion.

Erich, is there a thread on adaptor you can use for the 360 so it may be used?
post #155 of 867
Thread Starter 
Quote:
Originally Posted by laeriq View Post

Piggybacking on this thread... I'm thinking about doing six of these for surrounds and heights using the 10cx and the PXB2:2K5CX... Any opinions on the dt220ti or the psd2002 using the stock Emience crossover? I know nothing about crossover stuff minus what they actually do so building or modding my own is out of the question for thè time being. I am running T12's for my front 3 and am looking for something that is cheap and can keep up. Thanks!

That is what I was running when I built these out, they keep up and do so quite well for surround duty.

Quote:
Originally Posted by Erich H View Post

There will be one with the Eminence woofer, but there's room for 2 designs. I was thinking about the Faital Pro for other models. If you have any other ideas, just let me know.

I was also hoping to use a compression driver on the Eminence that didn't use a titanium diaphragm, and Celestion makes a screw on compression driver that might work okay. I thought about getting a custom one like the DNA-360, but I don't have enough time right now to work on that project.

As nater mentioned a thread adapter for the dna-360 would lead me to probably take the dna360 over any of the options I have tried thus far. All that would be needed is another crossover design, and I would be more than willing to send one up to MTG for the XO build out.

Quote:
Originally Posted by nater1 View Post

They do require a crossover, they are just two drivers mounted together. Look earlier in the thread and you can see the crossover discussion.

Erich, is there a thread on adaptor you can use for the 360 so it may be used?

Moving away from titanium diaphragms would be cool, and I am 100% down with that. The 360 is a killer CD and I would love to couple it with the emminence. I think it would be awesome, but this little cheap design can really holds its own in most cases.
post #156 of 867
I too would be willing to purchase parts and send them to the crossover designer of your choice. I think the 360 would be a great choice with the seos designs out there already!
post #157 of 867
I'll look into an adapter, but ideally I can get the manufacturer to make a screw on DNA-360 model. That might require too much of an initial expense though. Personally I think the DNA-205 would be a great match with the 10" or smaller woofers.
post #158 of 867
Agreed!

I think having matching CD's all around is a great idea and good continuity between other SEOS designs.

I'll look forward for these to match the three 360's and three SEOS12's I ordered last night. biggrin.gifbiggrin.gifbiggrin.gif
post #159 of 867
Whatcha cookin up Scott cause I know these aren't components for your uber Mains?
post #160 of 867
Thread Starter 
Quote:
Originally Posted by Erich H View Post

I'll look into an adapter, but ideally I can get the manufacturer to make a screw on DNA-360 model. That might require too much of an initial expense though. Personally I think the DNA-205 would be a great match with the 10" or smaller woofers.

Erich, just pm me if you want anything pertaining to incorporating what we are discussing here. I can pull the box/driver anytime, and can get them to Matt, as well as measure the difference in room compared to the measurements I already have at this point.
post #161 of 867
Quote:
Originally Posted by gpmbc View Post

Whatcha cookin up Scott cause I know these aren't components for your uber Mains?

Why not? smile.gif


... and not to mention all this talk about 'coax' and stuff.

Muhahaha! Muaaahahahahahahaha!


*ahem*

biggrin.gif


Plus .... I'm not ready for new surrounds, yet. Not til I hear more about what Erich will be bringing to the table.
post #162 of 867
I am going to follow this thread and see where this goes..... wink.gif
post #163 of 867
Quote:
Originally Posted by Erich H View Post

I'll look into an adapter, but ideally I can get the manufacturer to make a screw on DNA-360 model. That might require too much of an initial expense though. Personally I think the DNA-205 would be a great match with the 10" or smaller woofers.

Which would be a great match for the Alpha Minion 8's as LCR would it not?
post #164 of 867
What price range do you guys think we should be shooting for?
post #165 of 867
I don't want to be the first to answer since I don't know how much all those parts cost nor do I know the time it takes to build a pair.

All I am going to say is this. If you come up with a surround that will pair nicely with my JTR 212HT at a price lower than what the slanted 8's go for, I would be in. wink.gif
post #166 of 867
If I was looking into getting coaxial suurounds I wouldn't want to spend more than $200. If you can get a kit for less than that then I think it would be a popular surround option.
post #167 of 867
Eric how about the B&C 8cx21? Very good, very popular coaxial, used by Danley, and Parts Express recently started stocking them cheaper than can be found elsewhere.

Mike
post #168 of 867
Quote:
Originally Posted by Erich H View Post

What price range do you guys think we should be shooting for?

In Australia, these VAF i49's http://www.stereo.net.au/forums/index.php?/topic/46134-vaf-at-the-2012-australian-audio-av-show-in-sydney-19-21-october/ are RRP $599 each!

Anything around $200, $250 max and I'll order them.
post #169 of 867
Thread Starter 
The eminence 10" driver I am currently using is only $70, couple that with a budget CD like the 205 and an XO and you have your budget option. I think all in for all 4 of mine with with the seleniums I was only at $650 total, but I built the boxes myself. Anyways, something like that would be the budget version, but I agree with MovieMike, I saw that the B&C was now listed on PE and that really caught my eye. That immediately takes you to around $200, but the XO and box would be the only additional cost biggrin.gif
post #170 of 867
Thread Starter 
Oh, I like this one too for a 10" option

http://www.parts-express.com/pe/showdetl.cfm?partnumber=294-5767

And Beyma makes some solid options as well

http://www.usspeaker.com/beyma%208cx300nd-1.htm
Edited by beastaudio - 8/22/13 at 7:06am
post #171 of 867
When the time comes, why don't a few of us hop on a quick conference call to toss around some ideas for a prototype? biggrin.gif
post #172 of 867
I will open my room up for testing... biggrin.gif lol
post #173 of 867
Thread Starter 
I am down. Jeff, keep dreamin' tongue.gifcool.gif
post #174 of 867
Quote:
Originally Posted by beastaudio View Post

I am down. Jeff, keep dreamin' tongue.gifcool.gif

Will do... smile.gif

I am anxious to see what you guys come up with...
post #175 of 867
Will be interesting to see the designs. A low cost eminence-based system is one option I am looking at for surround duties. A higher end B&C design would be great for someone who wants a 7.x system using identical speakers all around for timbre matching. The Seaton's would be over $20K for such an application which why I like DIY (actually I am more of a BIY guy as design is past my skill level).
post #176 of 867
Thread Starter 
That beyma cx300nd is starting to look real appealing. Its on the higher end, but beyma has a custom XO already built out for it, and if it really is good down to 40hz, that is just amazing.
Edited by beastaudio - 8/22/13 at 8:27am
post #177 of 867
Quote:
Originally Posted by NWCgrad View Post

Will be interesting to see the designs. A low cost eminence-based system is one option I am looking at for surround duties. A higher end B&C design would be great for someone who wants a 7.x system using identical speakers all around for timbre matching. The Seaton's would be over $20K for such an application which why I like DIY (actually I am more of a BIY guy as design is past my skill level).

I am in the same boat... I tell people I have DIY subs..... When I should really be telling people they are "BBB"(Built By Brandon). So I am looking forward to possibly getting some BBB surrounds.. biggrin.gif
post #178 of 867
I agree, that beyma looks like it could be a winner for the high-end option. I like the integrated waveguide and the frequency response plots for sure.
Edited by nater1 - 8/22/13 at 9:08am
post #179 of 867
Thread Starter 
I edited the number, it is actually the cx300nd. I might see what I have buried in the backyard and see if I can scoop a pair of these to try. biggrin.gif
post #180 of 867
Quote:
Originally Posted by Gorilla83 View Post

When the time comes, why don't a few of us hop on a quick conference call to toss around some ideas for a prototype? biggrin.gif

count me in. This has my interest. looking for something to replace the pair of speakers i have on my computer. Assuming i could run them as mains paired with a sub.

8" would be better but i can make a 10 work
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