Yaris Sedan Deadening and Sound system upgrade

[derickveliz2]

Well after 600+ miles with the IDQ12 in the rear seat and some adjustments it can work pretty good! I know it's not a fare comparison but due to the power I'm using, location and enclosure types! if I had to give numbers would be like this:

IDQ12 = 10/10
i6SW = 9/10

Yes the extra little boost on bass that the IDQ12 provides is very little (about 3db or 10% more bass boost), Now I can boost the i6SW alone and perform the same way or even better than the IDQ12, with the exception of Super Loud music. The i6SW doesn't like to blow your ears and nose like the IDQ12 but I'm not that kind of guy any more. If I could get the IDQ12 up front would be another story. but I can't. And the i6SW is working AWESOME in the BASS department, That is way I'm going to try 2 of these babies!

I really like my music to feel the BASS from down all the way up in a BOLD way; what I mean is I like to feel the BASS even when the volume is low, Moderate, and High (not Super High).

I heard many systems that at low and moderate volume there is not a good BASS, you have to crank it up to feel the BASS, I'm naive here but maybe Sqcomp could tells us a little bit more about how is this issue treated in competitions.

Taking in mind that if I increase the gain on the IDQ12 Sound Quality goes away and SPL is Welcome, but the BASS starts coming from the back... and...

There is nothing more Natural that feeling all the BASS coming at you from the Stage!

The IDQ12 is out of the Yaris, I was getting a winding noise (very little but annoying to me) I guess all the extra RCAs running around were picking up that noise.


D.

[derickveliz2]

A second i6SW in Yaris...




D.

[derickveliz2]

After taking out the IDQ12 today, I was playing Hotel California, Honestly....

What a virtual experience, I feel good when I don't have to adjust the BASS for each song! every thing just plays AWESOME! no matter what kind of music, just hit it!

The i6SW hits my chest in a way I just can't describe. I know 2 doesn't means Double but since I'm getting this second woofer for FREE, it's worth the effort!

D.

Teaser photos....

From the Ground!





From the Air!

[sqcomp]

I was about to say...that extra space in there is going bye-bye with a second woofer up front.

Would you be ditching the foam and the inserts under the carpet for a little more space?

I'm working on a center console idea after INAC next month.

In competition, there is a category of judging for linearity at the sub bass level. This is where we get detailed and picky. You could have GREAT sound at a low to moderate level but let's say your amplifier and sub don't mesh well because of power issues at high linearity...well, you get kicked down a couple points for it.

There's also the category of imaging, ambiance, and tonality. All are affected by the sub woofer at some level. It all blends really. If your bass is too overpowering, much like the dual DD1508 setup I messed with earlier this year, you get knocked down for it. That instance had a peaky enclosure with STOOOPID amounts of bass. I took the level down 12 dB at the source to try and tame the amplitude of the signal. I replaced that setup with the ID8 then dual ID8s. I don't know why I even considered a vented DD option (aside from flipping the bird to the SQ world for the hell of it).

There is one reason I'm not using a Hybrid Imagine woofer yet...actually two. One, I get better response from the sealed enclosure woofers and there's a Legatia 13 coming out in a few months that I get to play with.

[derickveliz2]

Originally Posted by sqcomp

Would you be ditching the foam and the inserts under the carpet for a little more space?

I'm working on a center console idea after INAC next month.

In competition, there is a category of judging for linearity at the sub bass level. This is where we get detailed and picky. You could have GREAT sound at a low to moderate level but let's say your amplifier and sub don't mesh well because of power issues at high linearity...well, you get kicked down a couple points for it.

There's also the category of imaging, ambiance, and tonality. All are affected by the sub woofer at some level. It all blends really. If your bass is too overpowering, much like the dual DD1508 setup I messed with earlier this year, you get knocked down for it. That instance had a peaky enclosure with STOOOPID amounts of bass. I took the level down 12 dB at the source to try and tame the amplitude of the signal. I replaced that setup with the ID8 then dual ID8s. I don't know why I even considered a vented DD option (aside from flipping the bird to the SQ world for the hell of it).

There is one reason I'm not using a Hybrid Imagine woofer yet...actually two. One, I get better response from the sealed enclosure woofers and there's a Legatia 13 coming out in a few months that I get to play with.

No, I'm not going to remove anything under the carpet, MLV layer is above and rather keep the road noise away, and since it's only an experiment why bother now. If I really need the extra space I will, for sure.

Center console idea? interesting? but I can imagine it's going to be hard to accomplish. Expand please.

Thanks for the info about linearity at the sub bass level, I love to be picky in that department.

I know about the Legatia 13 coming soon, for now I get to play with 2-i6SWs I went to the post office today and there she was!

D.

[derickveliz2]

Some cool videos about the Haas Effect!


Haas Effect Video 1


Haas Effect Video 2

D.

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[derickveliz2]

Originally Posted by sqcomp

I was about to say...that extra space in there is going bye-bye with a second woofer up front.

Would you be ditching the foam and the inserts under the carpet for a little more space?

Just to expand more on this...

If every thing works in a positive way... I'm not only going to take out the inserts and foam... I'm thinking about cutting the metal floor and lowering it about 2 inches, then I can build a dual box for 2 i6SW's and rise the floor 1.5 inches.

Letting the vents breath the same way facing forward towards the center of the fire wall.

Just another crazy idea so I don't call this Build "Done!"


D.

[sqcomp]

Got your mind working again?

I hear that! I'll shoot some pics soon of more work on my trunk.

[derickveliz2]

Originally Posted by sqcomp

Got your mind working again?

I hear that! I'll shoot some pics soon of more work on my trunk.

As always!

I posted the drawing above on DIYMA and some claim I'm going to have phase issues because of the woofers aiming in different directions!

so I did this other sketch but what do you think about that?



D.

[sqcomp]

This is where the old fashioned idea of building a test enclosure so you can move things around and put the speakers in different places becomes really smart.

I did that with all my different subs in this car...especially after that phasing nightmare of placing the 15" in the rear right corner of the trunk and having at least a 3dB loss in out put no matter what I did with the phase. I think I doubled up on acoustic phase demons with that placement attempt.

I'd build a test enclosure shape pretty much as you have it in the picture. One question though, tell us about the ports and their locations. Why to the rear?

[derickveliz2]

Originally Posted by sqcomp

This is where the old fashioned idea of building a test enclosure so you can move things around and put the speakers in different places becomes really smart.

I'd build a test enclosure shape pretty much as you have it in the picture. One question though, tell us about the ports and their locations. Why to the rear?

I agree, nothing better than trail & error for me.

Ports are aiming towards the firewall (like the one I have now), what you see as black ovals represent the i6SWs, not ports.

D.

[sqcomp]

I've got to get you pics of the trunk. I just got slow tonight. I need to sling the gaps on the left side of the trunk. That'll take a few days to complete given my work schedule. The I get to play with the right side. That's a little more work since I made an exact shell of the OEM trunk lining. I've got to place the fiberglass panel in on the shell and then cut the extra glass on the form out from the back.

Then it's trimming and filling...then carpet. I've got to get this trunk done before the 17th...

[derickveliz2]

That looks like a lot of work!

D.

[sqcomp]

I keep changing the pics :)

Tomorrow evening both sides should look similar. It's interesting to me that the Yaris trunk set is a little off center. This was my first time attmepting this...you can tell.

With that being said, I see a lot of improvement on this in the future. I'd look for the Bit One to be placed on the left side soon. Of course I'm going to clean up that back board. The wiring is pissing me off with it going all over the place. Yuck! I'll move the tank up and left a little. The board will be carpeted and installed correctly. The other side holds the fusing...

More pics are about to come down in the next 24-48.

[Alien Mantis]

I leave you two alone for a couple of years, and THIS is what happens.



( I should have never left. )

[derickveliz2]

Originally Posted by Alien Mantis

I leave you two alone for a couple of years, and THIS is what happens.



( I should have never left. )

Nice to see you around AM

D.

[sqcomp]

AM! WTH?

Where have you been?

Dood...I'm taking a Yaris to IASCA world SQ championships...That's worth two years isn't it?

[Alien Mantis]

I must say, you guys have really been doing some amazing stuff.
I had to catch up on this whole thread, took me awhile to read it all.

I see you have been working on so many of the finer details.
I was surprised to see Derick was running those small sub drivers. ( Those i6SW )
I thought is was also interesting to see you guys playing around with tweeter mounting angles in the A pillars and bouncing it off the windsheild. I was never a fan of aiming tweeters at the listener. I'm a fan of off-axis tweets. Tweets can be harsh anyway, why aim them at your face!

SQ: you are definately pro-level. Gratz on your work so far. I see about 4 or 5 of you guys on here that really take it to the next level. That's your "thing". I respect that.
You know me, I appreciate hi quality audio but never saw the sense in spending alot of money on a really high end car audio system, but if that's your hobby, nothing wrong with it.
After I did that modest system in my Yaris, I have been listening to it and living with it since you last seen me on here. I am about to make a few changes to it. It has been great, and I have been enjoying it, but it has a few minor issues that have been bugging me, and I will try to address them.
I am on step 3 and you guys are on step 1,249.

You guys put so much work into your systems. I see you are still fans of the HAT stuff.

SQ is going to laugh at me: one of the changes I am going to make to my system is I am ready to ditch that TypeR 10" sub in the slot-ported box. For my type of music, it just doesn't nail it. If I listened to rap, jazz, techno, hip-hop, or country... it would be okay. But it isn't really cut out to play the tight fast beats of power/prog metal.
As SQ once said, the TypeR is an SPL pig. I never forgot that. And you were right. I still say the TypeR is a great sub. I'm sure my box is more to blame than the sub itself. I could put a pair of TypeR tens in a sealed box and be happy with them. But they take alot of AMP to push them. They are power hungry, especially the new ones.
My other issue is ROAD NOISE. My Yaris is just too noisy. So I am going to try and do some sound deadening. Nothing fancy, just something that will help a little bit.
I know you guys are experts on this subject, so feel free to offer a suggestion or two. I would appreciate it.

Keep up the good work guys. I came back here just to see if you guys had actually FINISHED your cars, but as expected, you are still tweaking away on them! Always something else to do. Always a new trick, or a new piece of hardware huh.

SO, since I left, what has been the biggest challenge with your systems?
What is your favorite amps now? How much farther do you need to take your system to get them to where you want them to be?
Derick, what is YOUR goal? Are you going to compete with your Yaris?