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box tips for 4 sc'd dd 9518's anyone?


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Posted

My friend and i are building a box going in a tahoe for four supercharged dd 9518's. this is our first time to do a build like this and just looking for some insight on how many cubes and port info if anyone with experience would chime that'd be great. dd tech says to put each sub in roughly 5 cubes. but they dont provide real good ts parameters (maybe i havent looked for them hard enough.) we are wanting to get loud but we are not going to any spl contest we just want it to sound bad ass on a broad spectrum.

Posted

35 to 38 hz tuning unless you're a whale caller if you are you're on your own

THERE IS NO BUILD LOG!

1998 Chevy Silverado ext cab

Alpine CDA-9887

4 Team Fi 15s

2 Ampere Audio TFE 8.0

2 Ampere Audio 150.4

3 Digital Designs CS6.5 component sets

Dual Mechman 370XP Elite alternators inbound!

8 XS Power d3400

6 XS power d680

Second Skin

Stinger

Tsunami Wiring

Sky High

A Real Voltmeter not a piece of shit stinger.

Posted

Also about 17 Sq inch of port per cube 18 is about where I'd like to top out at

THERE IS NO BUILD LOG!

1998 Chevy Silverado ext cab

Alpine CDA-9887

4 Team Fi 15s

2 Ampere Audio TFE 8.0

2 Ampere Audio 150.4

3 Digital Designs CS6.5 component sets

Dual Mechman 370XP Elite alternators inbound!

8 XS Power d3400

6 XS power d680

Second Skin

Stinger

Tsunami Wiring

Sky High

A Real Voltmeter not a piece of shit stinger.

Posted

dont put them in 5 cubes each...

you gain so much output getting them in at least 6

i speak from experience....

Youre wasting money putting those subs in that lttle airspace.

Posted

I run my 15s in 4.25 per

THERE IS NO BUILD LOG!

1998 Chevy Silverado ext cab

Alpine CDA-9887

4 Team Fi 15s

2 Ampere Audio TFE 8.0

2 Ampere Audio 150.4

3 Digital Designs CS6.5 component sets

Dual Mechman 370XP Elite alternators inbound!

8 XS Power d3400

6 XS power d680

Second Skin

Stinger

Tsunami Wiring

Sky High

A Real Voltmeter not a piece of shit stinger.

Posted

What year Tahoe? I think you're going to be hard pressed to for 4 of those 18s in the cargo area in a legit box. The last box I did I'm a Suburban was for the Z 18s which only had 4.5 cubes per sub since 4 is all they called for. The DDs are going to want much more air than the Sundowns. The box for those 18s was 50" deep by 49" wide and I can't remember how tall but a little over seat height.

Im not the one you want to try to troll. Just a fyi for you.

Posted

Also, assuming you stick with the 17" of port per foot(which I don't, but will work fine),and assuming 6.5 cubes per sub, that's 442" if port. That port will be huge and eat up a lot of airspace.

Im not the one you want to try to troll. Just a fyi for you.

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