Yaris Sedan Deadening and Sound system upgrade

[derickveliz2]

Originally Posted by sqcomp

The deck should be able to turn on two amplifiers...

The relays...you're using them to turn on the amplifiers?

Yes, you can aim the woofer into the carpet. Just make sure you're giving the woofer enough room to move. Now, tell me what your resonant frequency for the caq is?

Some time ago I mention that a small 'pop' from speakers
when turning on/off the HU, you suggested a relay
for the amp, I got these from Adam/Jim to prevent
the pop issue.

D.

[derickveliz2]

Originally Posted by sqcomp

Now, tell me what your resonant frequency for the caq is?

OK, now talk to me in plain English! what does that mean?

D.

[derickveliz2]

I made a model (mock-up) of the subwoofer enclosure, pictures tonight!

D.

[sqcomp]

Do an spl sweep of your car, what's the loudest frequency?

[derickveliz2]

Originally Posted by sqcomp

Do an spl sweep of your car, what's the loudest frequency?

Ok, I will


D.

[derickveliz2]

Designing the enclosure for the I6SW:

Ok, space required 0.35 cubic feet = 9.9 liters lets call it 10 liters

So I got some pop-corn and filled a couple of bags with 10 litters of pop-corn and ready to go:





















D.

[sqcomp]

remember to give the woofer some room for excursion...

[derickveliz2]

Originally Posted by sqcomp

remember to give the woofer some room for excursion...

Don't worry, I'm aware about that!

I wanted to see the woofer in the original designs but for many reasons will go facing down. I'm providing extra space for the cone to "move" (o:

D.

[derickveliz2]

Originally Posted by sqcomp

Do an spl sweep of your car, what's the loudest frequency?

Ok,
here is my way of describing it:

10hz nothing just a low humble

20hz my ears hurt and a bigger humble

30hz my ears hurt and gets louder

40hz really loud and my hair tickles!

50hz calms down and not as loud but doors start to reverberate.

60hz not as loud as 50hz but everything vibrates

70hz it just keeps smoothing more and more....


So I guess some where around 40hz it's the loudest!

D.

[TOLMACH]

Originally Posted by derickveliz2

Ok,
here is my way of describing it:

10hz nothing just a low humble

20hz my ears hurt and a bigger humble

30hz my ears hurt and gets louder

40hz really loud and my hair tickles!

50hz calms down and not as loud but doors start to reverberate.

60hz not as loud as 50hz but everything vibrates

70hz it just keeps smoothing more and more....


So I guess some where around 40hz it's the loudest!

D.

lucky you

[sickpuppy1]

Why would you face it down into the carpet, vs facing up into the cabin? I realize there's a protective/ hidden factor, just seems it would muffle the sound badly?

[derickveliz2]

Originally Posted by TOLMACH

lucky you

why?

D.

[derickveliz2]

Originally Posted by sickpuppy1

Why would you face it down into the carpet, vs facing up into the cabin? I realize there's a protective/ hidden factor, just seems it would muffle the sound badly?

Besides many factors like protective, away from heat vent, easier installation, etc. It's a ported box so all the bass will come out of the 2" vent that will face towards the fire wall!

D.

[derickveliz2]

I'm waiting for the 2" port...



From Precision Sound Products




I also need to get a 2" PVC-90 degrees elbow, from Lowes, the port needs to be almost 16" long.

D.

[derickveliz2]

OK, 2 a.m. again

Tape night! there is something about this that I have no patience...










So the floor is not flat, there are some curves and bumps, to mold the cardboard I spray cleaner to the back and then let it sit with lots of weights on top, a day under the sun and will evaporate the liquid and hopefully the cardboard will hold it's shape. (and stay clean lol)

Next would be start glazing!

Any clues about integrating MLV to the subwoofer enclosure build up? or I'm just acting stupid?

D.

[sqcomp]

Sorry bro...I was up in Canada this last weekend winning! Apparently, IASCA has me as the best sounding vehicle in the Pacific Northwest region in my class. I won a 1st place showing with a score of 225 in SQc Amateur division. It was a regional championship event, the Western Canadian Finals. It was a 3x registered event for IASCA. This means that I can compete at SBN in Daytona Beach Florida with the car and go for a World Championship.

...Alas, I don't have the time or the money to take my car all the way across the country and back for a two day event...

I can still take solice that without proving any more, I have the best sounding Amateur class vehicle in the region this year.

[sqcomp]

Now, to you Derick.

Why don't you simply glass the floor? You've got everything taped...

Also to those who don't understand about the aiming of the woofer, as with mine:



The sound is omnidirectional. That being said, there is a feeling difference between a standard forward or up-firing woofer and one that is downfiring. I feel my bass a LOT lower...pretty much from the bottom of the seat and through the body of the car.

The MLV IMHO should be applied to the inside of the enclosure once it's formed.

Also, D...I'm thinking that our resonant frequency is at 42 Hz. See if you can find a 42 Hz tone and run it through. You now combine that frequency and combine it with the tuning frequency for your enclosure of, oh let's say 38 Hz. Then that extends the response of the enclosure to fit your vehicle's response more accurately.

[sickpuppy1]

I realize what your saying about bass being omni directional, that makes sense. What I was thinking of was the amount of volume from a smaller speaker hes using. Course I also realize the enclosure it's in will affect it just as much. But you feel the sound from the back of the speaker will do as well as what comes out front? Thinking of it going into carpet vs what enclosure under your trunk mounted set up.