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Astro Build - 12 Cerwin-Vega 12"s in a Clamshell C-Pillar Wall


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  • 3 weeks later...

Great Show at Hi Fi Cruisin' in Meridian, MS on Saturday, August 3rd. They put on a really chill show with a good turn out. The little RF demo van was fun too. That was an assault on the senses for sure. Met some really good folks and got some good demos. It is always fun to get the flavor of what everyone else is doing and to see all sorts of installs. A good number of youngsters with pretty nice systems- built not bought. It is always fun to see the next generation of bass heads. The van was fun to show to everyone. Lots of old timers recognized lots of the equipment and lots of people a bit taken back by the look of the wall. :D I gave more demos than I can remember- it was a party. Also got to meet some pretty heavy hitters in person that I've only seen in the forums and on YouTube. Hung with Mr. "SUPADAVE" Wilson too. Man is a class act and an absolute riot.

I pulled out a first place in SB4 (only 2 people in my class- but hey, who cares). I was second loudest at the show of 40 competitors, but more importantly- this happened:
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WOOO! First time in the 150s! It started out at 151 and by the end of the 30 second Street Beat run the old girl pulled out a 150.3
This is one happy country boy. 150.3 in Street Beat with subs that are older than some of the people at the show in a C-Pillar wall??? I will take it.

My main main southern66ss made a very fine showing too, but I will let him post up about that if he wants to. :D

SUPADAVE is a class act and a great competitor:
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Woot:
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12 - 12"s in the STAY PUFT 1989 Chevy Astro

Build & Comment Log

Un-Interrupted Build Log
YouTube Channel

Chevy Trailblazer 5.1 Dolby Digital DTS Install


You have a beard of a mysterious sea captain. I would follow you to hell and back.

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Great score! Out of curiosity, was that score sealed on the dash?

Sorry, I'm not familiar because we have IASCA in my area..

2007 M/T Honda Civic Coupe EX

(4) Sundown Audio X-8's

(2) Ampere Audio 3800.1's

(3) Stinger SPV-44 Batteries

(1) Mechman 240

3:1 Ratio 4th order sealed from the trunk

TEAM NWSPL

Best termlab scores to date in Honda trunk:
151.7db legal (official) IASCA trunk 3 class

Best termlab scores to date in my walled Subie:
152.9db legal (unofficial) IASCA advanced 2 class
155db outlaw

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Nope- I said piss on that trying to be "Legal" crap. In the kick, driver's door open.

Sealed at the kick was at just shy of 149, but on that run I was dropping into 11 volt land because I didn't have my foot on the gas holding the idle speed up. This van idles at about 800 RPM when it is hot and the alts put out squat there. The weight of my foot brings idle up to about 1,000ish and voltage up to where it was at 13.4 throughout the entire second run. So- voltage really helped and the door being open helped too.

EDIT: this was a USACi show

12 - 12"s in the STAY PUFT 1989 Chevy Astro

Build & Comment Log

Un-Interrupted Build Log
YouTube Channel

Chevy Trailblazer 5.1 Dolby Digital DTS Install


You have a beard of a mysterious sea captain. I would follow you to hell and back.

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Trying to link to the vid of my run on facebook. Anyone know how to make this where it will play here in the thread?

https://www.facebook.com/video/embed?video_id=10151538551442097


Not very good quality- or where you can really see the score, but whatever. :D

EDIT:
Here's another one- quickie but clearer. Thanks to southern66ss for the vid!



A vid that my buddy Barret took:

12 - 12"s in the STAY PUFT 1989 Chevy Astro

Build & Comment Log

Un-Interrupted Build Log
YouTube Channel

Chevy Trailblazer 5.1 Dolby Digital DTS Install


You have a beard of a mysterious sea captain. I would follow you to hell and back.

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Congrats on the 50 Colin

Thanks brother. I got stupid giddy when I saw that 150. :D My wife was screaming and cheering too- had people looking like WTF but neither one of us GAF, so it all worked out. haha

I'm already thinking about rebuilding the wall and making it up to the B-Pillar... try some 1/4 wave stuff. lol. But the wife said "nahh-" and she is probably right. I do like the middle seat.

I wouldn't mind doing a single 12" in something though. I've never had a properly strong sub. It would be fun to see how loud simple could be.

12 - 12"s in the STAY PUFT 1989 Chevy Astro

Build & Comment Log

Un-Interrupted Build Log
YouTube Channel

Chevy Trailblazer 5.1 Dolby Digital DTS Install


You have a beard of a mysterious sea captain. I would follow you to hell and back.

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Congrats on the 50 Colin

Thanks brother. I got stupid giddy when I saw that 150. :D My wife was screaming and cheering too- had people looking like WTF but neither one of us GAF, so it all worked out. haha

I'm already thinking about rebuilding the wall and making it up to the B-Pillar... try some 1/4 wave stuff. lol. But the wife said "nahh-" and she is probably right. I do like the middle seat.

I wouldn't mind doing a single 12" in something though. I've never had a properly strong sub. It would be fun to see how loud simple could be.

I can understand that. I would like to do a 150 trunk car. Just because of the challenge of it.

2005 Ford Focus zx4

AMT's and Planars

18" Infinite baffle

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  • 2 weeks later...

Moving around speaker wiring again....

One of my 200x2s that died finally got replaced today. Now I have 200x2 on my 8"s and Tweets, & 200x2 on my front 4"s and Tweets. ...that also freed up another amp so I am working on a super tweeter project to see how that will turn out. Once done, there should be well over 1000 watts rms at 4 ohms on the front stage alone. hehe

Pictures!

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My finger on the input RCAs. The seller said it worked great, but you had to wedge the RCAs for it to work. ...oh I know how to fix this. :D

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You see that TINY break in the copper under the RCAs close to the board? Yeah- that is the ground. So, a tiny bit of solder and we are off to the races.

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Of course it had to be the amp on the bottom... so, out with the good one on top and out with the bad one on the bottom.

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The 2 good ones on the ground and baddie on the rack. I have another bad one in a box in the house. Time to take them to a Mekanic. ;D

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Chive on Fools!

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mmmm

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And back together.

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Again.

So yeah, that's a lot of power for mids and tweets, but everything is turned down and way on the safe side with the O-Scope. Headroom is good.

Video uploading on the slowest night for YouTube ever.

12 - 12"s in the STAY PUFT 1989 Chevy Astro

Build & Comment Log

Un-Interrupted Build Log
YouTube Channel

Chevy Trailblazer 5.1 Dolby Digital DTS Install


You have a beard of a mysterious sea captain. I would follow you to hell and back.

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