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Second Skin Audio

need some help with box design


ncochran

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Did a rectangle box, slot port, subs up, port up.

Torres. .74 cubes per sub.

602846_571177296225808_65883813_n.jpg

Actual box.

857256_571177306225807_1878593624_o.jpg

b_350_20_692108_381007_FFFFFF_000000.png

Krakin's Home Dipole Project

http://www.stevemeadedesigns.com/board/topic/186153-krakins-dipole-project-new-reciever-in-rockford-science/#entry2772370

Krakin, are you some sort of mad scientist?

I would have replied earlier, but I was measuring the output of my amp with a yardstick . . .

What you hear is not the air pressure variation in itself

but what has drawn your attention

in the two streams of superimposed air pressure variations at your eardrums

An acoustic event has dimensions of Time, Tone, Loudness and Space

Everyone learns to render the 3-dimensional localization of sound based on the individual shape of their ears,

thus no formula can achieve a definite effect for every listener.

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Cool, I think I am looking pretty hard at the 38x12x17 with port and subs up. Not that it is a fair comparison but I had 2 type-R 12s in there at one point and it was loudest with port/subs up. Was a crappy prefab box but I hit 138 with it on 500W alpine monoblock. I am in the military and got stationed remotely for a year, my wife sold the box/subs/amp for $100! Rofl.. how would you have liked to been the guy that got that deal?

Chase, you are the man!

2006 Scion xB

2 Sundown SA12D2

Ported at 32hz

147 on non termlab (140-142 on TL)

Currently in a walled 4th @ 50hz (not metered yet)

Hifonics brz2100

Alpine Type-S Components

Kicker 300.2

Big 3 / Skyhigh 1/0 cca

Optima Blue Top

3 e8s ported at 32hz

135.1 sealed on dash @ 56hz

135.0 outlaw (I must have chosen song poorly lol)

Build log

'Brandon15zzz', on 09 May 2012 - 3:13 PM, said:snapback.png

May have been clipping but none fucks were givin.

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PM'd you

b_350_20_692108_381007_FFFFFF_000000.png

Krakin's Home Dipole Project

http://www.stevemeadedesigns.com/board/topic/186153-krakins-dipole-project-new-reciever-in-rockford-science/#entry2772370

Krakin, are you some sort of mad scientist?

I would have replied earlier, but I was measuring the output of my amp with a yardstick . . .

What you hear is not the air pressure variation in itself

but what has drawn your attention

in the two streams of superimposed air pressure variations at your eardrums

An acoustic event has dimensions of Time, Tone, Loudness and Space

Everyone learns to render the 3-dimensional localization of sound based on the individual shape of their ears,

thus no formula can achieve a definite effect for every listener.

Link to comment
Share on other sites

Now how would I go about getting a cut sheet with the port? put it in RE Box calc?

2006 Scion xB

2 Sundown SA12D2

Ported at 32hz

147 on non termlab (140-142 on TL)

Currently in a walled 4th @ 50hz (not metered yet)

Hifonics brz2100

Alpine Type-S Components

Kicker 300.2

Big 3 / Skyhigh 1/0 cca

Optima Blue Top

3 e8s ported at 32hz

135.1 sealed on dash @ 56hz

135.0 outlaw (I must have chosen song poorly lol)

Build log

'Brandon15zzz', on 09 May 2012 - 3:13 PM, said:snapback.png

May have been clipping but none fucks were givin.

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Share on other sites

Read my PM and I can send you the blue prints for it.

b_350_20_692108_381007_FFFFFF_000000.png

Krakin's Home Dipole Project

http://www.stevemeadedesigns.com/board/topic/186153-krakins-dipole-project-new-reciever-in-rockford-science/#entry2772370

Krakin, are you some sort of mad scientist?

I would have replied earlier, but I was measuring the output of my amp with a yardstick . . .

What you hear is not the air pressure variation in itself

but what has drawn your attention

in the two streams of superimposed air pressure variations at your eardrums

An acoustic event has dimensions of Time, Tone, Loudness and Space

Everyone learns to render the 3-dimensional localization of sound based on the individual shape of their ears,

thus no formula can achieve a definite effect for every listener.

Link to comment
Share on other sites

I really appreciate all of your help. My amp gets here on Tuesday (before I go to SC) and the subs should be waiting on me when I get back. As for the box build, I think I am going to go with birch instead of mdf. I will start a build log when I get back from SC.

2006 Scion xB

2 Sundown SA12D2

Ported at 32hz

147 on non termlab (140-142 on TL)

Currently in a walled 4th @ 50hz (not metered yet)

Hifonics brz2100

Alpine Type-S Components

Kicker 300.2

Big 3 / Skyhigh 1/0 cca

Optima Blue Top

3 e8s ported at 32hz

135.1 sealed on dash @ 56hz

135.0 outlaw (I must have chosen song poorly lol)

Build log

'Brandon15zzz', on 09 May 2012 - 3:13 PM, said:snapback.png

May have been clipping but none fucks were givin.

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Share on other sites

Ack lol, when I printed everything out to go buy the wood today I noticed that the port listed on the torres calc was at 15x2 which doesn't seem to fit the 14"D or H of the box. I also noticed that the depth went a bit out of parameters to 14". I reworked it in Torres and came up with this. Does it work, and if so, could you possibly draw it up? I really appreciate all your help, I am just kind of stuck on the max dimensions being 38Wx11Dx17H, ideally the height would be a little lower but I can work with 17". The W is hard capped at 38", any bigger won't physically fit, and the D is soft capped at 11, any larger and I won't really have room to mount my amp and still get the hatch shut. Thanks again for your help!


e8v3d2reworked.png

2006 Scion xB

2 Sundown SA12D2

Ported at 32hz

147 on non termlab (140-142 on TL)

Currently in a walled 4th @ 50hz (not metered yet)

Hifonics brz2100

Alpine Type-S Components

Kicker 300.2

Big 3 / Skyhigh 1/0 cca

Optima Blue Top

3 e8s ported at 32hz

135.1 sealed on dash @ 56hz

135.0 outlaw (I must have chosen song poorly lol)

Build log

'Brandon15zzz', on 09 May 2012 - 3:13 PM, said:snapback.png

May have been clipping but none fucks were givin.

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Share on other sites

Does this seem good to you? I didn't want the width to be the maximum just in case if there was something that might get in the way with it, so made it and inch taller but that includes the second baffle.

Just tell me which one you want done.

602014_572183289458542_1211764835_n.jpg

b_350_20_692108_381007_FFFFFF_000000.png

Krakin's Home Dipole Project

http://www.stevemeadedesigns.com/board/topic/186153-krakins-dipole-project-new-reciever-in-rockford-science/#entry2772370

Krakin, are you some sort of mad scientist?

I would have replied earlier, but I was measuring the output of my amp with a yardstick . . .

What you hear is not the air pressure variation in itself

but what has drawn your attention

in the two streams of superimposed air pressure variations at your eardrums

An acoustic event has dimensions of Time, Tone, Loudness and Space

Everyone learns to render the 3-dimensional localization of sound based on the individual shape of their ears,

thus no formula can achieve a definite effect for every listener.

Link to comment
Share on other sites

Chase, that one looks like it should work great!

2006 Scion xB

2 Sundown SA12D2

Ported at 32hz

147 on non termlab (140-142 on TL)

Currently in a walled 4th @ 50hz (not metered yet)

Hifonics brz2100

Alpine Type-S Components

Kicker 300.2

Big 3 / Skyhigh 1/0 cca

Optima Blue Top

3 e8s ported at 32hz

135.1 sealed on dash @ 56hz

135.0 outlaw (I must have chosen song poorly lol)

Build log

'Brandon15zzz', on 09 May 2012 - 3:13 PM, said:snapback.png

May have been clipping but none fucks were givin.

Link to comment
Share on other sites

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