The "Iwata 215Be's" info and build thread - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 343 Old 12-10-2014, 02:14 PM - Thread Starter
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The "Iwata 215Be's" info and build thread

So Mr. Tux should have all that the components by X-Mas to start doing his thing and creating a x-over.
Plan is open to passive or active x-over or a mix of both and Ryan will choose what he thinks is best.
Long term project and no rush to get this done.

The key words that I have told Ryan to describe what I am looking for are:
Power
Clarity
Attack
Airy

Components for each of the front 3:

2 x JBL 2226h
1 x 2446h 2" compression driver with Be diaphragm
1 x Iwata 300
***may add an AMT or a Beyma 150d or the new 200 if we can't get the high's sounding where I want them to.
I think we are shooting for somewhere between 40-45hz on the low end.

Front 3 will get 1000watts per side from my Powersoft 4 channel amp.

Each 2226 will have it's own cabinet and be ported. They will be stacked on top of each other.
Each driver is recessed in the baffle by 1/4 - 1/2" and will have a large roundover on the front edge of the opening.
Each side of the port will be flared or have a roundover.
Subs will be 2 - FTW 21's powered by their own Ashly KLR3200 bridged to 3200watts.

[there will be bracing inside not shown in the image. 1.5" thick front baffle and 3/4" walls elsewhere most likely baltic birch then painted high gloss white]





Ryan will be taking measurements of everything and posting them here if I'm not wrong.
Maybe the differences between the stock diaphragm and the Be in the 2446 also.

I also want to thank jbrown for helping us get the iwata's over here and Erich for putting up with my badgering. Also Scott Simonian for pushing me to spend money and Mr. Carl Huff for his help about the Be diaphragms and where to get them.

Last edited by kingpin111; 12-10-2014 at 02:18 PM.
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post #2 of 343 Old 12-10-2014, 02:43 PM
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YAY!!!! Looking forward to this build. Always wanted to try the IWATA300 but just dont have the room. That being said I will have settle with the SEOS18 1.4" coming in January. And live through your build thread.
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post #3 of 343 Old 12-10-2014, 02:48 PM
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What led you to choose the iwata over other horn options?
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post #4 of 343 Old 12-10-2014, 03:13 PM - Thread Starter
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Quote:
Originally Posted by rsvr79 View Post
What led you to choose the iwata over other horn options?
First was looks. I though it would be drop dead sexy on a FOH system.
After doing some research about them and reading Penngray's thread and this quote from Carl Huff I was sold.

Quote:
I too hear a difference with the IWATAs. For me the IWATAs sound 'bigger' than do other horn systems that I have had. All too often with my previous horn systems I could close my eyes and with my ears successfully point to the horn as the source of the music. With the IWATAs it is a different story. I find the music much more engulfing and I can no longer close my eyes and see the horn as the source of the music. It is a much different presentation than what I had expected. Does that sound like a reasonable description?? I am not satisfied with my own words but lack a better ones to share.
________________
Best Regards,
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post #5 of 343 Old 12-10-2014, 04:19 PM
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Anything over a few watts to those channels is going to induce pain Looks good.
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post #6 of 343 Old 12-10-2014, 05:04 PM - Thread Starter
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Anything over a few watts to those channels is going to induce pain Looks good.
So you think it would be overkill in an 8x10 foot room?
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post #7 of 343 Old 12-10-2014, 06:22 PM
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Quote:
Originally Posted by kingpin111 View Post
So you think it would be overkill in an 8x10 foot room?
and I thought I had issues. jfc.
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post #8 of 343 Old 12-10-2014, 08:30 PM
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Quote:
Originally Posted by kingpin111 View Post
So you think it would be overkill in an 8x10 foot room?
See, that's about how big my third bedroom (movie room) is. I can barely sit far enough back from my 8s, and they're not in big cabinets. I can't imagine six 15s and three huge horns that close to me.
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post #9 of 343 Old 12-11-2014, 06:35 AM
 
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Potential. This thread has it.
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post #10 of 343 Old 01-25-2015, 04:51 PM - Thread Starter
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Alright so like I mentioned this is gonna be in the works for a while.
I just arrived in my new Hometown of Saskatoon from Toronto(3100 kms away) the first week of January.
I will be staying with a friend until the new business gets under way.
The only update I have is the iwata's that came in just before Xmas.
Thanks to Erich for getting them out so quick, jbrown for picking them up from his depot in the US and Tux for picking them up from Joe's. LOL
Oh and thanks to Joe's kids for saving us all a few dollars.

Here are a couple pics of the iwata 300's.




I was hoping for a more deeper candy red but I will decide after I see them sometime n the summer hopefully, if I will get them painted or not.
Should look pretty slick over a pearl white bottom end.
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post #11 of 343 Old 01-25-2015, 05:13 PM
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Now that I'm through building my little speakers I can put some attention on these. I am in the middle of a new entry door build hogging space in my shop, but I gotta play too
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post #12 of 343 Old 01-25-2015, 06:10 PM - Thread Starter
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Tux even if it takes longer is there any way you can take measurements and let us know the difference between the original diaphragm and the Be?
Since you have 3 of everything there an opinion on any difference you hear, like's dislikes would be cool also.


I hate doing doors and windows. Too precise for my liking.
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post #13 of 343 Old 01-25-2015, 06:46 PM
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Ya I'll try for measurements on those sometime this week perhaps. Handling those waveguides scares me
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post #14 of 343 Old 01-25-2015, 06:52 PM - Thread Starter
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Quote:
Originally Posted by tuxedocivic View Post
Ya I'll try for measurements on those sometime this week perhaps. Handling those waveguides scares me
Don't worry too much bro. If something happens it happens.
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post #15 of 343 Old 01-25-2015, 08:01 PM
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Easier to move then the Iwata 200



Cant wait. If I could house the Iwata big horns in a cabinet then I would build these and pull them out when listening by myself.
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post #16 of 343 Old 01-25-2015, 08:38 PM - Thread Starter
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Originally Posted by chrapladm View Post
Easier to move then the Iwata 200



Cant wait. If I could house the Iwata big horns in a cabinet then I would build these and pull them out when listening by myself.
It's funny how much of a patient person I have become the past couple years.
I have a brand new 64" Samsung Plasma still in the box for the past few months I've never even opened. It was only opened in store to test out. I have 2 amps, and Tux has most of my speaker components and I don't feel rushed at all to open everything or get things done.

When it happens it happens.
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post #17 of 343 Old 01-25-2015, 08:44 PM
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It's funny how much of a patient person I have become the past couple years.
I have a brand new 64" Samsung Plasma still in the box for the past few months I've never even opened. It was only opened in store to test out. I have 2 amps, and Tux has most of my speaker components and I don't feel rushed at all to open everything or get things done.

When it happens it happens.
Well thats sounds familiar. I have been waiting on building my subwoofers for quite a while now. I have a few projects that I still need to finish/start also. And this has been over a 1.5 year time frame. I figure my subs will be done around November and my front speakers maybe the same but lots of variables.

But hopefully when your ready I will be able to buy the IWATA horns.
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post #18 of 343 Old 01-26-2015, 03:19 AM
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This is similar to a build that I plan on doing in the coming summer, only difference is that I will be using Seos24's instead of the iWatta's. Will be using the same 2446 compression drivers, that is, assuming that I can find a pair for a reasonable price, and will also be using the Be diaphragms. It has been my understanding that if you are using the Be diaphragms on a 2446 or 2447 that it will push the breakup frequency higher up in frequency and add a good bit of clarity and detail to the top end. I am also open to the idea of using a (super?) tweeter such as the TPL-200 or...?

Speaking of which, I wonder what would be a good option for the extended high frequencies assuming that the 2446/Be combo doesn't cut it? I know that the Beyma is a great option. But what else is out there that would have the sensitivity to keep up and give the best top end possible regardless of price? Would something like a Raal work if crossed over actively?
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post #19 of 343 Old 01-26-2015, 05:34 AM
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I should be able to hear your setup all the way over here in Toronto.
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post #20 of 343 Old 01-26-2015, 11:02 AM - Thread Starter
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Originally Posted by Tip24/96 View Post
This is similar to a build that I plan on doing in the coming summer, only difference is that I will be using Seos24's instead of the iWatta's. Will be using the same 2446 compression drivers, that is, assuming that I can find a pair for a reasonable price, and will also be using the Be diaphragms. It has been my understanding that if you are using the Be diaphragms on a 2446 or 2447 that it will push the breakup frequency higher up in frequency and add a good bit of clarity and detail to the top end. I am also open to the idea of using a (super?) tweeter such as the TPL-200 or...?

Speaking of which, I wonder what would be a good option for the extended high frequencies assuming that the 2446/Be combo doesn't cut it? I know that the Beyma is a great option. But what else is out there that would have the sensitivity to keep up and give the best top end possible regardless of price? Would something like a Raal work if crossed over actively?
I've discussed the idea of using something like the RAAL pro, TPL or an AMT with Ryan. He knows my opinion on the whole thing and what I am trying to achieve on the top end. I'm not so sure we will be able to get that from the 2446's with the Be's.
I have no problem adding to the design if need be with the above mentioned units if need be.
I really want that top end nice and airy.
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post #21 of 343 Old 01-26-2015, 04:29 PM
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This is should be a REALLY NICE SYSTEM when completed! Wow...
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post #22 of 343 Old 02-06-2015, 08:23 PM - Thread Starter
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Stay Tuned!

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post #23 of 343 Old 02-06-2015, 08:53 PM
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JBL



Tru extent



The JBL phrase is ribbed. This right away tells me they tried to stiffin it and increased weight doing so. The Be is not ribbed and Be is naturally very light and stiff. I'm already impressed.

Gotta pick up mounting bolts and tomorrow I'll measure.
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post #24 of 343 Old 02-06-2015, 09:25 PM
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toe in the left and right if possible.
---


didn't know this was a 'tux' design. looking forward to seeing what you cook up.
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post #25 of 343 Old 02-06-2015, 09:52 PM
 
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This seems interesting. subscribed
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post #26 of 343 Old 02-06-2015, 10:27 PM
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YAY YAY YAY....

Was just getting a price on a 18 Sound 4015 just in case I ever try to go down this route

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post #27 of 343 Old 02-07-2015, 12:19 AM - Thread Starter
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Quote:
Originally Posted by tuxedocivic View Post
JBL



Tru extent



The JBL phrase is ribbed. This right away tells me they tried to stiffin it and increased weight doing so. The Be is not ribbed and Be is naturally very light and stiff. I'm already impressed.

Gotta pick up mounting bolts and tomorrow I'll measure.

I love pictures! I heard that the Be can hold the weight of an average man. Did you try standing on it?
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post #28 of 343 Old 02-07-2015, 03:49 AM
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Quote:
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I've discussed the idea of using something like the RAAL pro, TPL or an AMT with Ryan. He knows my opinion on the whole thing and what I am trying to achieve on the top end. I'm not so sure we will be able to get that from the 2446's with the Be's.
I have no problem adding to the design if need be with the above mentioned units if need be.
I really want that top end nice and airy.
Care to share your discussion with Ryan regarding the top end and the possibility of adding a nice tweeter to the design? Would it be possible to add a RAAL considering the differences in sensitivity and effeciency? If you are going with an active crossover then this might not be an issue, but with a passive I am sure that it would be. I have never heard of a pro-version of the RAAL, care to share any info on it? Price? Lowest possible crossover frequency? Horn loaded?
I have looked at the RAAL waveguide on DIYSG site and it looks like it would be a pretty sweet addition to the iWatta 300 JBL2446BE duel 2226!
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post #29 of 343 Old 02-07-2015, 05:20 AM
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A whole lotta awesome going on with this project...awesome parts, awesome ideas, awesome people.
Following with great interest. Thank you, sir!
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post #30 of 343 Old 02-07-2015, 05:55 AM
 
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I don't think you need to add a super tweeter above 18khz, that nonsense is just audiophile bragging rights dating back to the dark ages when no one realized human hearing was actually the limitation.
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