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My DC audio M3-8 box


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I just finished and installed my DC audio M3-8. I built the box out of Baltic birch (the real shit) and installed LEDs and polycarbonate. Let me know what you think. The subwoofer sounds amazing and its not even broke in yet. Hits the lows very well for an 8" sub.

The box specs are. You can see my build by clicking on the link in my sig.

Oh its in the back of a 1999 Toyota Tacoma 2wd

11.5 H

26 L

10.5 D

Gross volume 1.28

Net volume .76 this is after sub and bracing displacement.

Physical port length 30.25"

Tuning is 36.15 HZ

Port height 9"

Port width 1.5"

Port area 13.50

Port area per foot 17.85

Port ratio 1:6

20161216_121305_zpsptqbj33a.jpg

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80prs

Arc Audio Xdi 1200.6 (using active crossovers) Freaking awesome amplifier

Incriminator IA 10.1

Focal PS 130v 5.25 (doors)

4" Faital pro Neo (kick panels) 

3" Faital pro Neo and focal tweets( dash)

DC Audio level 3 12"  custom box designed by joex built by me

AGM front, XS 750SE batteries rear

DC 180 alt

99 Toyota Tacoma extra cab

http://www.stevemeadedesigns.com/board/topic/179476-my-small-build-turned-into-the-ongoing-build/

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PRETTTY Sex looking box

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Thats cool. Im way too old to be upset by shit like that. Your name is winston. Your own parents hated you even before you were born.

My penis is bigger than your penis

I'm far from loud and my roof/headliner flaps around like Adam's ass on a windy day. I think it depends more on the structure of the vehicle.

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  • 3 weeks later...
6 minutes ago, Ludachris5150 said:

I just bought a m3 8 and am in need of a box design. Your dimensions would fit my trunk perfectly. Would you be willing to post a design, or a cut/build sheet? 

I think all the info is in the first post??

80prs

Arc Audio Xdi 1200.6 (using active crossovers) Freaking awesome amplifier

Incriminator IA 10.1

Focal PS 130v 5.25 (doors)

4" Faital pro Neo (kick panels) 

3" Faital pro Neo and focal tweets( dash)

DC Audio level 3 12"  custom box designed by joex built by me

AGM front, XS 750SE batteries rear

DC 180 alt

99 Toyota Tacoma extra cab

http://www.stevemeadedesigns.com/board/topic/179476-my-small-build-turned-into-the-ongoing-build/

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That thing looks amazing, great quality work and clean.

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2022 Ford Maverick on 22’s                                                                                                                                          Skar SK1500.1 on 4 Skar VD-8’s                                                                                                                       Mids Sundown Super tweeters, Skar TX 6.5 components on Skar SKM400.4                                                 LC2 for audio control  , XS Power D680 XS Series Extra Battery 

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3 hours ago, oldsoundguy said:

I think all the info is in the first post??

Right. But I found your Torres sheet in your thread and typed it in myself. I can't seem to get anywhere near .75 net tuned to 35hz myself... Waiting on an amp before I build my box but it would be awesome to have a box design ready. Mine will basically be like yours but rear facing 

Rebuild in progress...

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Let me see if I saved it somewhere.

80prs

Arc Audio Xdi 1200.6 (using active crossovers) Freaking awesome amplifier

Incriminator IA 10.1

Focal PS 130v 5.25 (doors)

4" Faital pro Neo (kick panels) 

3" Faital pro Neo and focal tweets( dash)

DC Audio level 3 12"  custom box designed by joex built by me

AGM front, XS 750SE batteries rear

DC 180 alt

99 Toyota Tacoma extra cab

http://www.stevemeadedesigns.com/board/topic/179476-my-small-build-turned-into-the-ongoing-build/

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Well I didn't save a pic of the calculations I did. I did put the numbers back in and came up with something real close. I added 1 extra 1/2" baffle and the getting the Physical port length you enter 33 in the port length. I put in .05 for bracing and 2 common port walls. Try that. If its close to my numbers you should be close. I am sure mine isn't exact to the specs you see or even tuning unless you have a way to measure it. I don't.

80prs

Arc Audio Xdi 1200.6 (using active crossovers) Freaking awesome amplifier

Incriminator IA 10.1

Focal PS 130v 5.25 (doors)

4" Faital pro Neo (kick panels) 

3" Faital pro Neo and focal tweets( dash)

DC Audio level 3 12"  custom box designed by joex built by me

AGM front, XS 750SE batteries rear

DC 180 alt

99 Toyota Tacoma extra cab

http://www.stevemeadedesigns.com/board/topic/179476-my-small-build-turned-into-the-ongoing-build/

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22 hours ago, oldsoundguy said:

Well I didn't save a pic of the calculations I did. I did put the numbers back in and came up with something real close. I added 1 extra 1/2" baffle and the getting the Physical port length you enter 33 in the port length. I put in .05 for bracing and 2 common port walls. Try that. If its close to my numbers you should be close. I am sure mine isn't exact to the specs you see or even tuning unless you have a way to measure it. I don't.

Right, thanks I'll give it a try. How much power are you giving it? Sorry, 60+ pages is a lot to read thru. 

Rebuild in progress...

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The Rockford P1000X5 is rated at 500W rms @ 1 ohm. It says on the birth sheet that it puts out 710w RMS @ 1 ohm.

80prs

Arc Audio Xdi 1200.6 (using active crossovers) Freaking awesome amplifier

Incriminator IA 10.1

Focal PS 130v 5.25 (doors)

4" Faital pro Neo (kick panels) 

3" Faital pro Neo and focal tweets( dash)

DC Audio level 3 12"  custom box designed by joex built by me

AGM front, XS 750SE batteries rear

DC 180 alt

99 Toyota Tacoma extra cab

http://www.stevemeadedesigns.com/board/topic/179476-my-small-build-turned-into-the-ongoing-build/

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