AUTOTECH IWATA-600 & 300 Size Comparison - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 55 Old 11-06-2015, 09:32 AM - Thread Starter
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AUTOTECH IWATA-600 & 300 Size Comparison

Just thought i would put this out there for you guys, and anyone thinking about buying these units. For now i'm just showing 2 videos of My Personal AUTOTECH IWATA-600's I have access to the 300's next week so i will post pictures and a short video of the size comparison of the two..

When researching mine, it was hard to find pictures to actually see the size and how they looked. A drawing was kinda, not life like.


And sound,



Hope this helps someone
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post #2 of 55 Old 11-07-2015, 01:45 AM
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WOW, funny that I was just talking about these and now there is a video. Huge thanks for this thread and uploaded videos. I was looking at getting a pair of Iwata 600's possibly to go with my pair of 10's per side.

Was looking at using a BC CD. Possibly the DE500 or as Tux mentioned the DE550.
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post #3 of 55 Old 11-07-2015, 03:25 AM
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I have long lusted over the iWatta 300 with Radian 951BePB over a pair of AE TD 12's that I saw a while back.
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post #4 of 55 Old 11-07-2015, 08:38 AM - Thread Starter
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Quote:
Originally Posted by chrapladm View Post
WOW, funny that I was just talking about these and now there is a video. Huge thanks for this thread and uploaded videos. I was looking at getting a pair of Iwata 600's possibly to go with my pair of 10's per side.

Was looking at using a BC CD. Possibly the DE500 or as Tux mentioned the DE550.
I'll be Running the DE550 on mine, he actually measured these last week with my Celestion CD's on them and they were pretty decent..

I'm hoping to run to his house this weekend and get some pictures of the 600 & 300 units together.


My 600's are going to be used with a pair of TD15m 15" units

Project starting soon
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post #5 of 55 Old 11-07-2015, 03:44 PM
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Sounds great. If I had more room width wise I would have used a bigger bass driver also. BUT for now I will just have to use my dual 10's per cab. Single 15M should be very nice. Sealed or ported cabinet?
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post #6 of 55 Old 11-07-2015, 03:47 PM - Thread Starter
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Originally Posted by chrapladm View Post
Sounds great. If I had more room width wise I would have used a bigger bass driver also. BUT for now I will just have to use my dual 10's per cab. Single 15M should be very nice. Sealed or ported cabinet?
Ported.. I'm not a fan of sealed..
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post #7 of 55 Old 11-07-2015, 03:57 PM
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And will you just be resting the 600 on the top of the cabinet?

Couldnt quite tell if there was a mounted support or not. I will most likely try and make a mounted support. I have children and while they dont mess with most of my stuff I need plan for prevention.
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post #8 of 55 Old 11-07-2015, 03:59 PM - Thread Starter
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Quote:
Originally Posted by chrapladm View Post
And will you just be resting the 600 on the top of the cabinet?

Couldnt quite tell if there was a mounted support or not. I will most likely try and make a mounted support. I have children and while they don't mess with most of my stuff I need plan for prevention.
You will have to make a mount mine are just sitting on top for now, but i'm getting a CNC machined bracket for mine..
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post #9 of 55 Old 11-07-2015, 04:50 PM
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Iwata 300 size.






Compared to a JBL 2226 15" driver.


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post #10 of 55 Old 11-07-2015, 04:50 PM
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OK. I will have to make one as I assumed. Look forward to your progress on your build.

I also will have to see how these will work in my room. I will have one speaker right up against the wall. So the right side of the speaker will only be about 1" away from the wall. SO I hope with a slight toe in things will be fine. I know it wont be perfect but its what I have to deal with anyways..

And Kingpin those 300's look big but not THAT big. BUT then you see the picture of the CD's in someones hands and then it starts to paint a clearer picture. Those CD's are massive.
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post #11 of 55 Old 11-07-2015, 04:56 PM
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Quote:
Originally Posted by dashpuppy View Post
You will have to make a mount mine are just sitting on top for now, but i'm getting a CNC machined bracket for mine..
Would you mind sharing your design of the bracket?
Would you be able to add more to your order if people want to buy them?
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post #12 of 55 Old 11-07-2015, 05:05 PM
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Here is a pretty cool looking one I found in a picture online. I think the guy custom made it though.
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post #13 of 55 Old 11-07-2015, 05:10 PM - Thread Starter
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I'll make a drawing in a few hours of my simple idea It's pretty sweet i think !

I have lots of pictures of the 300's as Tux lives very close to me
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post #14 of 55 Old 11-07-2015, 07:47 PM
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Both iwatas measure really nice and the shape is very smooth without any abrupt edges. I really like them.

The 300 is an absolute giant. Pics don't do it justice. I think a comparison pic will really show people the difference.
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post #15 of 55 Old 11-08-2015, 06:32 PM
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How does the performance compare to the SEOS waveguide? Could an Iwata be substituted into one of the SEOS designs, or does it alter the CD performance significantly?
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post #16 of 55 Old 11-08-2015, 08:10 PM
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Quote:
Originally Posted by rhodesj View Post
How does the performance compare to the SEOS waveguide? Could an Iwata be substituted into one of the SEOS designs, or does it alter the CD performance significantly?
A new crossover will definitely be needed.

As for SEOS-24 vs Iwata 300, the Iwata looks cooler, but I would stick with the SEOS-24.
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post #17 of 55 Old 11-08-2015, 08:16 PM
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A new crossover will definitely be needed.

As for SEOS-24 vs Iwata 300, the Iwata looks cooler, but I would stick with the SEOS-24.
@tuxedocivic
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post #18 of 55 Old 11-08-2015, 09:04 PM - Thread Starter
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A new crossover will definitely be needed.

As for SEOS-24 vs Iwata 300, the Iwata looks cooler, but I would stick with the SEOS-24.
They sure look cool I am using mine for 2 channel Stereo listening.
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post #19 of 55 Old 11-09-2015, 08:23 AM
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Originally Posted by kingpin111 View Post
I don't feel like I got to hear the SEOS 24 at it's full potential. Going on technical merits on paper alone, the Iwata has a lot of horn loading at it's cut off (600 and 300hz) which makes getting a low XO much safer, though more difficult to do passively. Thankfully it also has the features of a "waveguide" (the seos is also a horn technically, but it is mostly about controlling directivity, guiding waves), such as a smooth throat, smooth edge termination, etc. It's also wider than it is tall (elliptical) which I like in a waveguide/horn.

OTOH, the SEOS is a little bigger if I'm not mistaken and it isn't as deep. It should have very uniform polar response and if it's like the smaller 1" SEOS waveguides it'll have basically text book perfect polars. That said, the Iwata polars are very good also (sorry, don't have presentable data on that yet. I keep getting rained out or pulled into real life before I can get final measurements outdoors).

It's really 6 in one, half dozen in the other afaik.
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post #20 of 55 Old 11-09-2015, 08:30 AM - Thread Starter
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Quote:
Originally Posted by tuxedocivic View Post
I don't feel like I got to hear the SEOS 24 at it's full potential. Going on technical merits on paper alone, the Iwata has a lot of horn loading at it's cut off (600 and 300hz) which makes getting a low XO much safer, though more difficult to do passively. Thankfully it also has the features of a "waveguide" (the seos is also a horn technically, but it is mostly about controlling directivity, guiding waves), such as a smooth throat, smooth edge termination, etc. It's also wider than it is tall (elliptical) which I like in a waveguide/horn.

OTOH, the SEOS is a little bigger if I'm not mistaken and it isn't as deep. It should have very uniform polar response and if it's like the smaller 1" SEOS waveguides it'll have basically text book perfect polars. That said, the Iwata polars are very good also (sorry, don't have presentable data on that yet. I keep getting rained out or pulled into real life before I can get final measurements outdoors).

It's really 6 in one, half dozen in the other afaik.
Potato PATATO!

I guess it comes down to what you are trying to achieve. In my goal i want 2 channel stereo sound that's effort-less
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post #21 of 55 Old 11-09-2015, 08:45 AM
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Potato PATATO!

I guess it comes down to what you are trying to achieve. In my goal i want 2 channel stereo sound that's effort-less
That is something either will be able to achieve.
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post #22 of 55 Old 11-09-2015, 08:54 AM
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Quote:
Originally Posted by tuxedocivic View Post
I don't feel like I got to hear the SEOS 24 at it's full potential. Going on technical merits on paper alone, the Iwata has a lot of horn loading at it's cut off (600 and 300hz) which makes getting a low XO much safer, though more difficult to do passively. Thankfully it also has the features of a "waveguide" (the seos is also a horn technically, but it is mostly about controlling directivity, guiding waves), such as a smooth throat, smooth edge termination, etc. It's also wider than it is tall (elliptical) which I like in a waveguide/horn.

OTOH, the SEOS is a little bigger if I'm not mistaken and it isn't as deep. It should have very uniform polar response and if it's like the smaller 1" SEOS waveguides it'll have basically text book perfect polars. That said, the Iwata polars are very good also (sorry, don't have presentable data on that yet. I keep getting rained out or pulled into real life before I can get final measurements outdoors).

It's really 6 in one, half dozen in the other afaik.
So...I should sell you the Iwata's and go with the SEOS.
Kidding.

Way too much invested in those things. Plus they are damn sexy.
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post #23 of 55 Old 11-09-2015, 08:59 AM
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I looked for comparisons between the 2 and the only thread I found that would have some info doing so was mtg90's thread where he was going to compare a whole bunch of the DIY soundgroup horns and waveguides. It doesn't look like he got too far though.
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post #24 of 55 Old 11-09-2015, 09:16 AM
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IMO it really comes down to the intended use. For an ht setting with multiple seating positions I'd take the SEOS. For a dedicated 2 channel rig I could go either way. Of course, the room is a factor as well, and you can argue the pros/cons of constant directivity vs a smoothly narrowing pattern.
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post #25 of 55 Old 11-09-2015, 09:35 AM
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Realistically, I was thinking more in the context of comparing the 600 to a SEOS10 or 12, wondering if they'd be reasonably interchangable, and only for the "it looks cool" factor.
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post #26 of 55 Old 11-09-2015, 10:08 AM
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So...I should sell you the Iwata's and go with the SEOS.
Kidding.

Way too much invested in those things. Plus they are damn sexy.
Not sure where you got that idea. You're to senstive

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Realistically, I was thinking more in the context of comparing the 600 to a SEOS10 or 12, wondering if they'd be reasonably interchangable, and only for the "it looks cool" factor.
Oh I see. Certainly not interchangeable.
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post #27 of 55 Old 11-09-2015, 10:10 AM
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IMO it really comes down to the intended use. For an ht setting with multiple seating positions I'd take the SEOS. For a dedicated 2 channel rig I could go either way. Of course, the room is a factor as well, and you can argue the pros/cons of constant directivity vs a smoothly narrowing pattern.
Because it'll have a wider beamwidth? That's probably true, the Iwata is quite narrow (which has it's advantages in other ways). There's no perfect animal I guess.
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post #28 of 55 Old 11-09-2015, 10:31 AM
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Because it'll have a wider beamwidth? That's probably true, the Iwata is quite narrow (which has it's advantages in other ways). There's no perfect animal I guess.
Yeah, purely from a coverage standpoint. I'd love to have a CD (or near CD) horn that is as smooth and efficient as a traditional horn.

kingpin - any reason you chose the Iwata over a le'Cleach?
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post #29 of 55 Old 11-09-2015, 12:39 PM
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Yeah, purely from a coverage standpoint. I'd love to have a CD (or near CD) horn that is as smooth and efficient as a traditional horn.

kingpin - any reason you chose the Iwata over a le'Cleach?
My decision was solely based on 2 things.
Reading how much Carl Huff likes them and felt they worked amazingly well with the Be diaphramed 2446 cd's.
Also because the look of them is so unique and sexy. To me they are just flat out gorgeous.

Other then that 95% of the stuff you guys talk about I don't understand that's why I have Tux designing everything.
So far so good even when he is taking digs at me.
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post #30 of 55 Old 11-09-2015, 01:20 PM
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They do look like a pair of sexy lips...opposed to the large SEOS, which looks like a bathroom sink.
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