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2 15s and 6 4" ports?


alaskanzx5

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2 t2d415 on 2 t1500.1bdcp in a 5.5cuft box ( Rockford recommends 2.75 cuft per with round ports and a 6" port per).

so with my box I will have a choice ( do to space I have and tuning I want )

I can do 2 6" ports or 6 4" ports, second choice of the 2 sounds like a better idea to me for the higher port area.

now with the 6 4" ports I wont have port noise according to 2 different calculators I used (on the linear team website and carstereo.com). then according to the same calculators I wont have port noise with 4 4" ports either, that would allow me to block 2 of the ports to lower the tuning from roughly 38hz to 32hz. giving me an easy way to change from comp ready to daily in a matter of seconds.

I would be using 4" pvc and heating both the ends up to flare them and use some of the left over pvc to make a smooth surface right under the ports to help push the air up into the ports.

not trying to build for the meter just personal enjoyment with hope of a decent termlab score ( hoping for a 146-148 range)

any opinions welcomed and wanted.

t1500bdcp

2 t2d4 15"

1 t600.4

1 t400.2

1 set p1 tweets

singer alt, tons of wiring, smd vm-1, 80prs, back seat delete, still in the works, aiming for a 145-147 with the ability to play 25hz up to 50hz.

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reason why?

still learning on box design.

t1500bdcp

2 t2d4 15"

1 t600.4

1 t400.2

1 set p1 tweets

singer alt, tons of wiring, smd vm-1, 80prs, back seat delete, still in the works, aiming for a 145-147 with the ability to play 25hz up to 50hz.

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lol, well then... yeah I don't know.

my favorite part of the box would be that I could easily change tuning with in seconds and on sketch up 6 4" ports in the middle of 2 15s partially external looks kind of mean.

t1500bdcp

2 t2d4 15"

1 t600.4

1 t400.2

1 set p1 tweets

singer alt, tons of wiring, smd vm-1, 80prs, back seat delete, still in the works, aiming for a 145-147 with the ability to play 25hz up to 50hz.

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this is annoying, paste isn't working...

t1500bdcp

2 t2d4 15"

1 t600.4

1 t400.2

1 set p1 tweets

singer alt, tons of wiring, smd vm-1, 80prs, back seat delete, still in the works, aiming for a 145-147 with the ability to play 25hz up to 50hz.

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Wrong pic...

t1500bdcp

2 t2d4 15"

1 t600.4

1 t400.2

1 set p1 tweets

singer alt, tons of wiring, smd vm-1, 80prs, back seat delete, still in the works, aiming for a 145-147 with the ability to play 25hz up to 50hz.

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Ok got it finally... Ports wouldn't be exactly like that on the box, spaced out a bit more just a quick sketch.

t1500bdcp

2 t2d4 15"

1 t600.4

1 t400.2

1 set p1 tweets

singer alt, tons of wiring, smd vm-1, 80prs, back seat delete, still in the works, aiming for a 145-147 with the ability to play 25hz up to 50hz.

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