need opinions on setup: nightshade/s and 3000d

[blackbonnie 5,000+ posts]

here is what my next setup is going to be and i need your opinions

i wanna run:

1 sundown audio 3000d and 2 sundown audio nightshade 15's

now here is where i would like your opinions

1) box size

2) tuning frequency

3) aero ports or a straight vent (ive never worked with aero's before so i dont know how to go about reaching my desired tuning level with them. if that is your choice any input on getting my desired tuning would be very helpful)

it will be just a daily ground pounder and my goal is to be in the 150+ club. this will be going in a newer model grand prix with the port and subs facing into the cab sealed off from the trunk.

any input is very benificial.

again, i want it to be a daily groundpounder, tuned just right to hit monsterous lows, but i still wanna hit 150+. im thinking tuning somewhere around 34hz. think my goal is still reachable?

i have already purchase 1 nightshade 15 motor and basket and it will be arriving to jacob today, i will be picking the other up hopefully today. i would like your opinions on what you would do, because well this is the place to get them and it helps others decide on there setups.

thanks for all your help

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[Pioneer~Saturn 5,000+ posts]

For your 150 goal, Id see what you can do about another SD 3000...

But yea, 34Hz wouldnt be a bad choice. And I'd make a 7.0 (around...but may want to go a bit small if you get another SD 3000) cubic foot enclosure (net) with around 140 sq inches of aero-port area.

 

[blackbonnie 5,000+ posts]

For your 150 goal, Id see what you can do about another SD 3000...
But yea, 34Hz wouldnt be a bad choice. And I'd make a 7.0 (around...but may want to go a bit small if you get another SD 3000) cubic foot enclosure (net) with around 140 sq inches of aero-port area.

well i have been in talks with jacob and he says there are a couple guys out there running 2 15's off a sundown 1500 to each one and they are doing almost 153, in 7 cubes or so net with aeros. so i think my 3000 should be ok power wise. he said you dont need a ton of power for these to get loud.

and how do you determine in^2 when dealing with aeros, and how does length of the aero's aply to its tuning?

 

[Pioneer~Saturn 5,000+ posts]

well i have been in talks with jacob and he says there are a couple guys out there running 2 15's off a sundown 1500 to each one and they are doing almost 153, in 7 cubes or so net with aeros. so i think my 3000 should be ok power wise. he said you dont need a ton of power for these to get loud.
and how do you determine in^2 when dealing with aeros, and how does length of the aero's aply to its tuning?

Cool Cool.

And you just do pi®2 with the radius of the circle (aero port) to find the area and add them up if you have more than one to find total port area...and the longer the port goes, the lower the tuning...same with the smaller the port area, the lower the tuning.

And head to jl audios site and go to their help scetion and go to ports/enclosures and they have the equation to manually calculate your port specs, takes a bit of time and math but its accurate

 

[80INCHES 5,000+ posts]

here is what my next setup is going to be and i need your opinions
i wanna run:

1 sundown audio 3000d and 2 sundown audio nightshade 15's

now here is where i would like your opinions

1) box size

2) tuning frequency

3) aero ports or a straight vent (ive never worked with aero's before so i dont know how to go about reaching my desired tuning level with them. if that is your choice any input on getting my desired tuning would be very helpful)

it will be just a daily ground pounder and my goal is to be in the 150+ club. this will be going in a newer model grand prix with the port and subs facing into the cab sealed off from the trunk.

any input is very benificial.

again, i want it to be a daily groundpounder, tuned just right to hit monsterous lows, but i still wanna hit 150+. im thinking tuning somewhere around 34hz. think my goal is still reachable?

i have already purchase 1 nightshade 15 motor and basket and it will be arriving to jacob today, i will be picking the other up hopefully today. i would like your opinions on what you would do, because well this is the place to get them and it helps others decide on there setups.

thanks for all your help

easy ...with 2 niteshade 15's and 1 3kd yea u will be in the 150's easy....and thats on music

do 6-10cubes tuned to 35 hz with a port anywhere from 90square inches up to 150square inches ...subs up port up with port on driver side..build a box within those guidlines and u will have a 150 on music

80

sundown ftw! ! !

 

[blackbonnie 5,000+ posts]

easy ...with 2 niteshade 15's and 1 3kd yea u will be in the 150's easy....and thats on musicdo 6-10cubes tuned to 35 hz with a port anywhere from 90square inches up to 150square inches ...subs up port up with port on driver side..build a box within those guidlines and u will have a 150 on music

80

sundown ftw! ! !

problem is 80, that this is in a trunked car, in my old bonneville, i did sub up port up and it didnt do me much good, maybe it was my equipment but i think the only real way for me to go is the sub and port forward firing into the cabin, with it completely sealed off from the trunk. if you think i should go sub up and port up with your box recommendation the i will highly consider. you know your stuff and i have seen some of your installs but im thinking you missed where its in a trunked car. now if i had an suv of hatch then this would definately be the route i would go

 

[80INCHES 5,000+ posts]

3inch aeroport=7.07 square inches of port

4inch aeroport=12.57 square inche of port

6inch aeroport=28.26 square inches of port

80

 

[blackbonnie 5,000+ posts]

Cool Cool.
And you just do pi®2 with the radius of the circle (aero port) to find the area and add them up if you have more than one to find total port area...and the longer the port goes, the lower the tuning...same with the smaller the port area, the lower the tuning.

And head to jl audios site and go to their help scetion and go to ports/enclosures and they have the equation to manually calculate your port specs, takes a bit of time and math but its accurate

now when doing that, do you use the radius of the outside of the aero or the inside of the aero port? and do you only use one side of the aero or both ends?

the only way i tune my enclosures is long hand math so i am fairly familiar with that, and have tuned alot of vented enclosures but have never used aeros.

 

[80INCHES 5,000+ posts]

problem is 80, that this is in a trunked car, in my old bonneville, i did sub up port up and it didnt do me much good, maybe it was my equipment but i think the only real way for me to go is the sub and port forward firing into the cabin, with it completely sealed off from the trunk. if you think i should go sub up and port up with your box recommendation the i will highly consider. you know your stuff and i have seen some of your installs but im thinking you missed where its in a trunked car. now if i had an suv of hatch then this would definately be the route i would go

oh i didnt see that was in a trunk car....but yea do sub forward and port forward and i know u can get more than 6 cubes out of ur trunk and try to have the biggest port possible and u should be fine

80

 

[blackbonnie 5,000+ posts]

3inch aeroport=7.07 square inches of port4inch aeroport=12.57 square inche of port

6inch aeroport=28.26 square inches of port

80

so with 4 6 inch aeros that should be sufficient?

now how do i deal with the length of them to tune to about 34 hz?

 

[blackbonnie 5,000+ posts]

oh i didnt see that was in a trunk car....but yea do sub forward and port forward and i know u can get more than 6 cubes out of ur trunk and try to have the biggest port possible and u should be fine
80

ok, well i have been talking to jacob a bit over the past couple days and i think im going to run 7 cubes net.

so now how will i go about incorporating aeros into the equation, i have never dealt with them before so bare with me. i still dont understand how to determine the length of them yet, and they will be placed right in the center of the enclosure in between the 2 subs

 

[80INCHES 5,000+ posts]

so with 4 6 inch aeros that should be sufficient?
now how do i deal with the length of them to tune to about 34 hz?

apply the total square inches or port to the formula ur using and do the normal math ur use to doing

so if u using four six inch aero ports thats 113.04square inches of ort

80

 

[blackbonnie 5,000+ posts]

apply the total square inches or port to the formula ur using and do the normal math ur use to doing
80

alright, and when determining the in^2 of an aero, do you use the flange opening or the actual radius of the inside of the aero?

where is a good place to purchase aero's? partsexpress?

does placement of them matter?

and how do you determine and aero's displacement?

 

[80INCHES 5,000+ posts]

alright, and when determining the in^2 of an aero, do you use the flange opening or the actual radius of the inside of the aero?
where is a good place to purchase aero's? partsexpress?

does placement of them matter?

and how do you determine and aero's displacement?

u measure the inside radius...and get them from partexpress.com

and displacement of any port slot or aero matters...and time u take up space in the box...it matters

u determine the aero port total displacement by getting the total square inch of the port and times (x) by the total lenght

 

[shortyg83 10+ year member]

If you still haven't decided on tuning. I would def go with 34hz. Or no higher then 35. I have a 10 inch nightshade still in my tiburon and it hits very hard for a 10. I just wish I tuned it a little bit lower. Right now its tuned to 36hz.