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4 Atomic Apxx 15" 4rth Order Bandpass Wall Build


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really where do you see that, any imputes greatly appreciated

R.I.P!

(Nov-29-2009)

92 explorer

- 4 Atomic Apxx 15s duel .7s - 4rth order bandpass wall -4 powerbass XA-3000D's - 16 8volt batts wired to 16 volts - (9+/9-) runs 0gauge - 152.3 Db @ 29hz

current build

97 chevy lumina4 - 1 Atomic Apx 18 - 6 cube slot port trunk sealed off - 1 powerbass XA-3000D - 2 optima G31s in spare tire18 1 run 1/0

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Carpet = remove, on the backside where your subs mount = roundover, port = roundover but more smooth like fiberglass, all the corners of the box should be rounded or cut long triangles to go from end to end. Then fiberglass resin the whole inside of the box for smoother air movement. All those things will help. I realize that removing the carpet is not an option for most but try it if you have a meter handy and see the difference. Also do you know your exact peek note?

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before it was 42hz with 2 15s

29hz with 4 15s tuned to 27hz

43hz 4 15s tuned to 40sh

i've done some changes since then not sure if it helped or not but i shrunk the wall down, still gotta meter it then go from there

my sunroofs really killing it

carpets fine the port is rounded over

once i meter this i'll decide weather or not to try get the standard wall to work

i plan on tuning it back to 27hz and just keep it as a low end monster

if that dont work its going to turn into a bandpass

R.I.P!

(Nov-29-2009)

92 explorer

- 4 Atomic Apxx 15s duel .7s - 4rth order bandpass wall -4 powerbass XA-3000D's - 16 8volt batts wired to 16 volts - (9+/9-) runs 0gauge - 152.3 Db @ 29hz

current build

97 chevy lumina4 - 1 Atomic Apx 18 - 6 cube slot port trunk sealed off - 1 powerbass XA-3000D - 2 optima G31s in spare tire18 1 run 1/0

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yeah heres some

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R.I.P!

(Nov-29-2009)

92 explorer

- 4 Atomic Apxx 15s duel .7s - 4rth order bandpass wall -4 powerbass XA-3000D's - 16 8volt batts wired to 16 volts - (9+/9-) runs 0gauge - 152.3 Db @ 29hz

current build

97 chevy lumina4 - 1 Atomic Apx 18 - 6 cube slot port trunk sealed off - 1 powerbass XA-3000D - 2 optima G31s in spare tire18 1 run 1/0

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  • 4 weeks later...

havent really done much with it since the last time i had it up and runnin but i have taken 2 of the subs with FI dust caps out and put new Atomic ones on

before

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After

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i'm thinking about taking my seats out and putting in some prelude seats

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and i redid my batteries

will be 3 rows of 4 batts (only have 10 batts at moment the other 6 are still at buddys place in calgary)

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R.I.P!

(Nov-29-2009)

92 explorer

- 4 Atomic Apxx 15s duel .7s - 4rth order bandpass wall -4 powerbass XA-3000D's - 16 8volt batts wired to 16 volts - (9+/9-) runs 0gauge - 152.3 Db @ 29hz

current build

97 chevy lumina4 - 1 Atomic Apx 18 - 6 cube slot port trunk sealed off - 1 powerbass XA-3000D - 2 optima G31s in spare tire18 1 run 1/0

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and how i hope it will look once done (4 on top)

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and still plenty of room for 5 amps and my line driver

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R.I.P!

(Nov-29-2009)

92 explorer

- 4 Atomic Apxx 15s duel .7s - 4rth order bandpass wall -4 powerbass XA-3000D's - 16 8volt batts wired to 16 volts - (9+/9-) runs 0gauge - 152.3 Db @ 29hz

current build

97 chevy lumina4 - 1 Atomic Apx 18 - 6 cube slot port trunk sealed off - 1 powerbass XA-3000D - 2 optima G31s in spare tire18 1 run 1/0

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