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15" DC XL Bottom Out


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At full power you can hear the subs bottom out. Tapping noise coming straight from the center of the cone. What can I do to stop this. The subs were made with an extra spider to stiffen the suspension but i guess isnt doing enough. Should i eat up some box room. Maybe fill the box with a little resin?

Any ideas guys?

2011 Subaru WRX

Rockford Fosgate T1000-4AD

(2) Sets of Rockford Fosgate T3 6.5 Components

rf2c.png

In the works:

Rockford Fosgate T2500-1bdcp

(2)DC Audio 12" XLM2

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Have the SAZ-3500 @1OHM in an 8 cube box. Tunned to 33hz.

2011 Subaru WRX

Rockford Fosgate T1000-4AD

(2) Sets of Rockford Fosgate T3 6.5 Components

rf2c.png

In the works:

Rockford Fosgate T2500-1bdcp

(2)DC Audio 12" XLM2

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Is the signal clipped or, are you playing under box tunning freq?

Jeep Cherokee 4dr -4.75 in front, new rusty's 4.5 in rear leafs -micky thompson 35x14.50x15 -locker rear -Rusty's offroad Engine/transmission/transfer case/crossmember/gas tank skid plates -Warn front bumper with 8000lb winch -Custom rear bumper -Warrior product tube doors (summertime) -Optima redtop (starter) -26XK miles and still runs like a bat out of hell

Kenwood H/U

1/0 wire,

136 amp alt 200 ah batteries 12.7 daily

2 Apsm 1500 @ 2 ohm strapped on zv3 d1 with ns softparts

Mb quart 125.4 wired to 4 aura 6's

3.6 cube box tuned to 36 plays down to 23hz

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2 15's and Rusty said it would be fine with the extra spider

2011 Subaru WRX

Rockford Fosgate T1000-4AD

(2) Sets of Rockford Fosgate T3 6.5 Components

rf2c.png

In the works:

Rockford Fosgate T2500-1bdcp

(2)DC Audio 12" XLM2

Link to comment
Share on other sites

Have the SAZ-3500 @1OHM in an 8 cube box. Tunned to 33hz.

I have the subsonic set on the amp

2011 Subaru WRX

Rockford Fosgate T1000-4AD

(2) Sets of Rockford Fosgate T3 6.5 Components

rf2c.png

In the works:

Rockford Fosgate T2500-1bdcp

(2)DC Audio 12" XLM2

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Share on other sites

that box is damn near double recommended

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

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A Real Voltmeter not a piece of shit stinger.

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