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-   -   All your bass are belong to us. (https://www.miataturbo.net/media-53/all-your-bass-belong-us-26293/)

Braineack 09-22-2008 11:03 AM

All your bass are belong to us.
 
1 Attachment(s)
So Rick was kinda enough to hook me up with some Sound Stream XS-12 subs...so I kidnapped Y8s' and forced him to use his superior skills and built me an enclosure.

Now I has bass.

Attachment 210937

Braineack 09-22-2008 11:10 AM

1 Attachment(s)
FWIW, 2'x4' sheets of MDF do not fit in a miata very well

Attachment 210936

levnubhin 09-22-2008 11:19 AM

How does it sound? Specs on sub and amp?
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y8s 09-22-2008 11:20 AM

i'm just proud of getting the name on the sub right side up.

no go download some bass mekanik cds!

paul 09-22-2008 11:36 AM

now you has weight

paul 09-22-2008 11:37 AM

Soundstream was the shit back in the early 90's. they made some really great amps and subs

Braineack 09-22-2008 11:42 AM


Originally Posted by levnubhin (Post 310967)
How does it sound? Specs on sub and amp?

sounds pretty good, need to dial in the crossover frequencies and settings, but I'm pretty pleased.

Sub:

Sound Stream XS-12
Dual 4-ohm voice coils
600-watt (300 RMS)
Sensitivity 89 dB
Freq Response 24-1700 Hz
Blue Zirconium Cone
SS Stamped Basket




Amp:


Kicker ZX550.3
Class D Amplification in Subwoofer Channel

RMS Power Ratings:
14.4V:
70 watts x 2 chan. @ 4 ohms
Sub Power:
420 watts x 1 chan. @ 2 ohms

12.5V:

40 watts x 2 chan. @ 4 ohms
Sub Power:
360 watts x 1 chan. @ 2 ohms

Braineack 09-22-2008 11:44 AM


Originally Posted by paul (Post 310973)
now you has weight

it's honestly not that heavy....makes up for my loss of power steering, windows, and mirrors ;)

patsmx5 09-22-2008 12:13 PM


Originally Posted by Braineack (Post 310963)
FWIW, 2'x4' sheets of MDF do not fit in a miata very well

http://i46.photobucket.com/albums/f1...g?t=1222096151

I can attest to this.

jayc72 09-22-2008 12:14 PM

Pictures noob.

Braineack 09-22-2008 01:33 PM


Originally Posted by jayc72 (Post 310981)
Pictures noob.


I see two, with one quoted...that makes three pictures.

locomonkeyboricua 09-22-2008 02:49 PM

i never liked having a sub in the trunk. when your driving with the top down its useless. i would recommend you have your friend make a box for the foot well and get a 8 inch or 10 inch sub, its the best sound you can get.

patsmx5 09-22-2008 02:52 PM

Or get a hardtop. Makes my 10 sound much better.

Braineack 09-22-2008 02:55 PM

You can hear it quite well with the top down. I was rocking out with my cock out this morning...Slipknot's double bass pedal pounding into my chest.

jayc72 09-22-2008 02:56 PM


Originally Posted by Braineack (Post 311001)
I see two, with one quoted...that makes three pictures.

NOW there is.

Braineack 09-22-2008 03:13 PM

3 Attachment(s)

Originally Posted by jayc72 (Post 311042)
NOW there is.


here's three more so you can see the construction of the box better:

Attachment 210929

Attachment 210930

Attachment 210931

y8s 09-22-2008 03:15 PM


Originally Posted by locomonkeyboricua (Post 311037)
i never liked having a sub in the trunk. when your driving with the top down its useless. i would recommend you have your friend make a box for the foot well and get a 8 inch or 10 inch sub, its the best sound you can get.

just because you dont know how to design a trunk sub and have a legless boyfriend doesn't make trunk subs bad.

mine is awesome with the top down at 80 on the freeway. but see since I have a leggy gf and 10 years of subwoofer design under my belt.. I did what I had to do.

y8s 09-22-2008 03:19 PM


Originally Posted by Braineack (Post 311047)

DaNGER TO TEH KWARTR PANL!!!11!

Braineack 09-22-2008 03:30 PM


Originally Posted by y8s (Post 311051)
DaNGER TO TEH KWARTR PANL!!!11!


shit aint moving with the amount of shit I have in the trunk...but you can see my double layer of cardboard.... :) will be replaced with foamage and the box with be secured.

jayc72 09-22-2008 03:45 PM

What's the sheet metal cylinder next to the box?

y8s 09-22-2008 03:51 PM

fuel filler and fuel vent

jayc72 09-22-2008 03:57 PM

1 Attachment(s)
Attachment 210928

On the right side.

y8s 09-22-2008 04:10 PM


Originally Posted by jayc72 (Post 311066)

On the right side.

big roll of ABS plastic.

jayc72 09-22-2008 04:16 PM

Mystery solved.

Braineack 09-22-2008 04:20 PM

all your shrouding are belong to us.

cjernigan 09-22-2008 05:09 PM

I should do that with the little 10" sub i have in a bandpass box sitting in my living room.
But again, way too lazy with not enough buddies around to drink and construct things with.

y8s 09-22-2008 05:58 PM

oh shit, scott didn't bring me beer for that work!

SeanE 09-22-2008 06:11 PM

I think that'll be my project this weekend. I'm doing a search on subs right now. I'm good friends with a lot of people who work for JL Audio so it would be tough for me to not use their products since every car I've owned since 1989 has had some sort of JL sub in it. but looking at the specs on their 10" subs, they don't have subs that fit into y8s' specs. I think the closest was the 10w1.

Braineack 09-22-2008 07:53 PM


Originally Posted by y8s (Post 311112)
oh shit, scott didn't bring me beer for that work!

I only had margaritas to bring....and it was too early for that, next time.

KPLAFIN 09-22-2008 08:25 PM

Bet that rattles the hell out of the deck lid doesn't it?

y8s 09-22-2008 08:35 PM

not if it's tuned right. mine doesn't much.

UrbanSoot 09-30-2008 05:06 AM

you inspired me to install a 12" power akoustic i had laying around... as well as 2x 8" clearwater mids behind seats. should go very well with my carpc! now i gotta figure out a way to make my car less noticeable so nobody steals all that goodness...

locomonkeyboricua 09-30-2008 02:42 PM

what type of box is that? a sealed box? i been doing boxes for miata for 2 years and still cant get clean good bass from the trunk, unless i have the top up or a hard top. yea my GFs are small so i dont care about there small foot space. if we go for a long drive we take her car. i make the box about .5 cubic feet and use a small 8 or 10 inch sub the sound is great and clean. but i am glad that you got some good sound from your trunk.

Braineack 09-30-2008 03:03 PM

sealed. I measured about .8 cu. ft. or so. Sub was free, otherwise I would have went with a 10". Think "home plate" 7.5" tall, I have the exact measurements at home.

I don't use it to pump out tons of bass, but the depth of the sound is much more complete, and with the top down in still pleased with it, but I agree, even with the soft top up and windows down it sounds much better.

944obscene 09-30-2008 04:31 PM

I've been interested in porting through the firewall. Maybe a port between the seats from a box in the back. I got the idea, back when I was looking at MR2's. Decided I wanted to port a box into the footwell of the car with a sub in the front, seeing as the MR2's have a front trunk.

y8s 09-30-2008 04:51 PM

the ported sub will work against you in a miata trunk. you want a roughly 55Hz cutoff with a .7 Q.

944obscene 09-30-2008 05:10 PM

Oh, see. I haven't looked at the numbers. All I know is some guys had pulled it off in the smaller area that the MR2 Frunk gives you. Since I don't have the Miata yet, I haven't looked at dimensions. I'm sure I could find something to pull off.

For the record. I did not mean porting the box and leaving it at that. I want to port the box through the firewall into the cabin so to speak. Thus having a hole between the seats (Or wherever is convenient) that allows for more air movement in the seating area. As far as how that will work with the amount of air the sub will move in the trunk as a result of porting the box (even though the port won't exit inside the trunk), I don't know. I wouldn't be going with a wlidly powerful subwoofer either. I've had my share of big bass before. :D

Braineack 09-30-2008 11:23 PM

a few miata.net members have done this (porting back into the cabin)....check the audio forum.

944obscene 09-30-2008 11:58 PM

Yeah, I wasn't sure why the trunk would limit the effectiveness of such a setup. I think it was a misunderstanding.

TurboTim 10-01-2008 08:18 AM


Originally Posted by y8s (Post 314242)
the ported sub will work against you in a miata trunk. you want a roughly 55Hz cutoff with a .7 Q.

Actually it's closer to 58Hz/.67 Q but your specs should work. :hustler:

I have a JL 8" Microsub in my subaru that sounds pretty good. I wish I knew more about this kind of stuff.

y8s 10-01-2008 09:54 AM


Originally Posted by 944obscene (Post 314395)
Yeah, I wasn't sure why the trunk would limit the effectiveness of such a setup. I think it was a misunderstanding.

I mean a ported box in the trunk is not a super combination. if you're just opening up holes (not holes attached to the internal volume of the sub box), then it's fine. though not really needed since bass likes to go through thin sheet metal just fine.


Originally Posted by TurboTim (Post 314450)
Actually it's closer to 58Hz/.67 Q but your specs should work. :hustler:

I have a JL 8" Microsub in my subaru that sounds pretty good. I wish I knew more about this kind of stuff.

smart alek! what do you want to know?

944obscene 10-01-2008 12:03 PM

Okay, I think we're still misunderstanding each other. Never mind though. I'll just go read like a good little girl and come back when I know what I'm looking for. :)

y8s 10-01-2008 01:22 PM

sealed box vs. ported box?

Braineack 10-01-2008 01:33 PM

I believe he wants to do something like this:

http://forum.miata.net/vb/showpost.p...80&postcount=5


Just wanted to follow up.

I used this speaker in the sealed box for a few weeks in the miata. I was never really happy with the performace of the speaker/box/car combo. It sounded just ok with the hardtop on, a little better with the doors open, but when you were underway the bass just wasn't there. Take the hardtop off and I give up even hearing the speaker. Needless to say, I was unhappy, dissapointed and even embarrased to show my coworkers/friends. All that money time for a sub amp combo and it just kinda sucked.

So I fired up my Winisd and decided to spec out a ported box. THE BEST IDEA EVAR.

I had to sacrafice the spare tire to get the box to fit, but I fabbed up a 1.18 cubic foot box, threw a 3" diamerter aero port 17 inches into the box, and fired the sub forward with the port firing to the pass side. Tuned to 29/30hz.

It rocks, top up/down, windows up/down it does not matter. This sounds soo much better. I was able to turn my gains down and get even more sound then was ever possable with the sealed box.

Now I can bump in public and not be embarrased.
but pretend "firing to the passenger side" was replaced with "firing behind the passenger seat through a large hole"

mazda/nissan 10-01-2008 06:13 PM

anyone ever considered mounting shallow subwoofers behind the seats? or is this not optimal?

nice pictars brain, does the 12 handle the double kick pedal of slipknots bass drums well or does it kind of roll through them?

y8s 10-01-2008 09:17 PM

slim subs behind the seats might work for people under 5'6"...

944obscene 10-02-2008 01:23 AM


Originally Posted by y8s (Post 314565)
sealed box vs. ported box?

I'll send you a PM.

y8s 10-02-2008 09:49 AM

I'll send you a long-winded PM back.

blue turbo mx5 10-02-2008 10:26 AM

well i don't have a convertible top any more i took it out and built a box for the top area that clears my cage

i have two eclipse 10s in a ported box it hits hard and its not very visible to the naked eye

most people ask where they are and i just point

levnubhin 10-02-2008 11:00 AM


Originally Posted by blue turbo mx5 (Post 314847)
well i don't have a convertible top any more i took it out and built a box for the top area that clears my cage

i have two eclipse 10s in a ported box it hits hard and its not very visible to the naked eye

most people ask where they are and i just point



Um..........pics?
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blue turbo mx5 10-02-2008 11:45 AM

i'll get some pics later the carpet is peeling off in some places but thats the vegas heat for you with out tent

blue turbo mx5 10-05-2008 12:33 AM

http://i281.photobucket.com/albums/k...h/104_3768.jpg


here is the pics of my 2 10s box

hustler 10-05-2008 09:57 AM

you know my cadillac's got dat boooooooom in it.

Phoenix 10-05-2008 10:56 PM

I think the thing I'm going to miss most about swapping from crx to miata is not having those 2 mtx 10s in that wide open back end. :giggle:

spike 10-05-2008 11:43 PM


Originally Posted by Phoenix (Post 316198)
I think the thing I'm going to miss most about swapping from crx to miata is not having those 2 mtx 10s in that wide open back end. :giggle:

I had a CRX too,I was running a 15'' Orion XTR DVC with a Phoenix Gold MS-2125 1000 watt amp.

I could shake windows a block away with that system.

944obscene 10-05-2008 11:46 PM

I ran a Crunch 12" on a Pioneer 500 watt amp. Chose it for the price and decent quality. And with minimal preparation, I got it to sound great, as well as LOUD. My right ear still suffers when noises get too intense.

Fireindc 10-06-2008 12:34 AM

Clean setup brain. How much weight added total? I'm guessing around.. 15-20lbs?

jobambo 10-06-2008 01:15 AM

2 Attachment(s)
Here mine, still enough room for the spare and some bags.
PS excuse the mess and the missing driver's side back panel, was adjusting coilovers.

wayne_curr 10-08-2008 09:46 PM


Originally Posted by jobambo (Post 316286)
Here mine, still enough room for the spare and some bags.
PS excuse the mess and the missing driver's side back panel, was adjusting coilovers.

Thats exactly what mine is only I attached some stilts and turned the box upside down so the sub fires into the trunk floor. Sounds 10089238094829x better firing into the more solid trunk floor than the flimsy trunk lid.

y8s 10-08-2008 11:27 PM


Originally Posted by wayne_curr (Post 317458)
Thats exactly what mine is only I attached some stilts and turned the box upside down so the sub fires into the trunk floor. Sounds 10089238094829x better firing into the more solid trunk floor than the flimsy trunk lid.

bass is omnidirectional... and sheet metal is sheet metal.


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