Box plans for DD3515e - Norway guy need help :)

[stigen]

Hey guys,

My name is Stig Robert from Norway, and I've just bought 2 x DD3515e´s that I'm gonna put in my Vw Passat 2003model hatchback.

I got 38,5"(99cm) in the width and 19,5"(50cm) in the hight as my max measure. the depth i can use everything.

I want this as an SQL (SPL) box tuned to approx 35hz(?)

And bassreflex ofc

Can some of you help me with the design and building plans? if possible in metric measures?

And how should i mount them? Subs up and Port(s) Back?

Thanks for any help possible!

Best regards

Stig Robert - Norway

[Watch the bass]

My link here the Torres boxcalculator, and if it doesent work in metric, google for boxcalculator there a vew free in the net.

PS. If you want to go loud, subs up, port back.

Edited August 19, 2011 by Watch the bass

[stigen]

My link here the Torres boxcalculator, and if it doesent work in metric, google for boxcalculator there a vew free in the net.

PS. If you want to go loud, subs up, port back.

Yes, i want to go insane loud;)

Thanks man!

[stigen]

Edited August 19, 2011 by stigen

[fecupe2001]

Post a pic of the car, what power are you gonna give to the subs? i know a couple of things about 3515´s , i´m burping a 146.1 @ 44 hz in a trunk car with a 1600 watts amplifier wired at 1 ohm, also, 150.8 @ 42 hz with 5K in a SUV wich isn´t the best scores ever but they aren´t that bad, 3515´s are very nice subs and can get stupid loud

[stigen]

Post a pic of the car, what power are you gonna give to the subs? i know a couple of things about 3515´s , i´m burping a 146.1 @ 44 hz in a trunk car with a 1600 watts amplifier wired at 1 ohm, also, 150.8 @ 42 hz with 5K in a SUV wich isn´t the best scores ever but they aren´t that bad, 3515´s are very nice subs and can get stupid loud

Ahh, nice man! is that with 1 or 2 DD´s?

I will get u a picture tomorrow, but im gonna give them a soundstream xxx 10000d mono amp, going for 1ohm setup:)

Will get a new alternator soon, 260-320 amp or so, got a good batterybank also, so should stay stable at 14+ V

Is it a trunk picture you need or the car?

i can stretch to 99cm i width and 55cm in hight, depth i think after some calc´s should be approx 58-60cm? about 8,4 cu ft. internal.

that is just me and my straight calc´s talking:P not got enugh xp with building boxes

so thanks for any help:)

P.s

posting just some pictures now so you can see:)

Its the green passat, not the BMW

My current setup:)

[fecupe2001]

The 146.1 it´s with a single 3515, the 150.7 it´s with a pair, there are tons of guys way louder than me, specially using DD, biggest problem it´s you get inputs from them lol, i would strongly suggest you nuthugging "pulse car audio" for some help, but he´s tough lol. About the 10K , damn, that´s a lot of power for those subs even after impedance rise and voltage drops, are you sure you wanna go with that ammount of power??

Pics you posted are fine, is it loud with those R´s? have you tried another kind of box or have you faced always everything to the back?? Pretty sure my boy Claudiu from Romania had a car just like that and he was louder with subs up/port back. What kind of music you like? what´s your exact goals on this build?

[stigen]

The 146.1 it´s with a single 3515, the 150.7 it´s with a pair, there are tons of guys way louder than me, specially using DD, biggest problem it´s you get inputs from them lol, i would strongly suggest you nuthugging "pulse car audio" for some help, but he´s tough lol. About the 10K , damn, that´s a lot of power for those subs even after impedance rise and voltage drops, are you sure you wanna go with that ammount of power??

Pics you posted are fine, is it loud with those R´s? have you tried another kind of box or have you faced always everything to the back?? Pretty sure my boy Claudiu from Romania had a car just like that and he was louder with subs up/port back. What kind of music you like? what´s your exact goals on this build?

Im prob not gonna use all the 10k watts:P

The R´s are not too loud, got 144,4db on them, @ music playing.

Yes ive tried closed box as well:) and ive never tried subs up/port back, but im gonna try that for the DD´s

I like Techno,trance,dance. but playing moest Heavy bass songs. like hip/hop RnB Regaton.. etc.

My goal is to have a good box, playing low and loud. id love to see me doing some hairtrics

[fecupe2001]

If you want to do some hairtricks with those subs in that car, i guess you would have to forget about playing dance,techno and trance STRONG as hell, you have to pick one of those options, myself, i have a car doing hairtricks and the other one playing the highs stronger, as much as i enjoy the hairtricks, i honestly prefer the explorer wich plays STRONG as hell from 40 to 60 hz, i love playing the highs at full tilt, trance,techno, merengue,salsa, rave, house, etc etc, those are the one kicking you in the head and making your breathing more difficult lol, i love my explorer

Anyways, that´s up to you, but also the box size depends on the amount of power you want to use and the frequencies you want to be loud at, a big ass box would give you more output on the lows while on the other hand the small box would kick the highs louder, of course this isn´t a constant, but you get the idea!!!

For lower frequencies i would build:

3/4" MDF (1.9 cms)

Box: 45 cms H x 91 cms W x 91 cms D

Port: 10.25 cms H x 87.2 cms W x 69 cms D

That would give you 8.1 c/f and 138SQ of port with a 37 hz tuning after displacement, should play very strong from 33 to 48 hz i´m guessing with a 30 hz f3. I would also suggest some bracing in it or maybe double baffle, depends on you.

For higher frequencies i would build:

3/4" MDF (1.9 cms)

Box: 42 cms x 91 cms x 91 cms

Port: 10.25 cms H x 87. cms W x 50 cms D

That would ive you 7.9 c/f and 138SQ o port with a 42 hz tuning after displacement, should play very strong from 38 to 56 hz i´m guessing with a 35 hz f3. Same suggestion, brcing or double baffle, depends on you.

For straight trance/house/techno application i would do:

3/4" MDF (1.9 cms)

Box: 42 cms x 91 cms x 8.0 cms

Port: 9 x 87.2 x 40 cms

That would give you around 7.1 c/f and 121SQ of port with a 45 hz tuning after displacement, should play strong as fuck from 44 to 65 hz i´m guessing with a 39 hz f3.

All boxes are sub up/port back with the subs as close to the hatch as possible.

Edited August 22, 2011 by fecupe2001

[stigen]

If you want to do some hairtricks with those subs in that car, i guess you would have to forget about playing dance,techno and trance STRONG as hell, you have to pick one of those options, myself, i have a car doing hairtricks and the other one playing the highs stronger, as much as i enjoy the hairtricks, i honestly prefer the explorer wich plays STRONG as hell from 40 to 60 hz, i love playing the highs at full tilt, trance,techno, merengue,salsa, rave, house, etc etc, those are the one kicking you in the head and making your breathing more difficult lol, i love my explorer

Anyways, that´s up to you, but also the box size depends on the amount of power you want to use and the frequencies you want to be loud at, a big ass box would give you more output on the lows while on the other hand the small box would kick the highs louder, of course this isn´t a constant, but you get the idea!!!

For lower frequencies i would build:

3/4" MDF (1.9 cms)

Box: 45 cms H x 91 cms W x 91 cms D

Port: 10.25 cms H x 87.2 cms W x 69 cms D

That would give you 8.1 c/f and 138SQ of port with a 37 hz tuning after displacement, should play very strong from 33 to 48 hz i´m guessing with a 30 hz f3. I would also suggest some bracing in it or maybe double baffle, depends on you.

For higher frequencies i would build:

3/4" MDF (1.9 cms)

Box: 42 cms x 91 cms x 91 cms

Port: 10.25 cms H x 87. cms W x 50 cms D

That would ive you 7.9 c/f and 138SQ o port with a 42 hz tuning after displacement, should play very strong from 38 to 56 hz i´m guessing with a 35 hz f3. Same suggestion, brcing or double baffle, depends on you.

For straight trance/house/techno application i would do:

3/4" MDF (1.9 cms)

Box: 42 cms x 91 cms x 8.0 cms

Port: 9 x 87.2 x 40 cms

That would give you around 7.1 c/f and 121SQ of port with a 45 hz tuning after displacement, should play strong as fuck from 44 to 65 hz i´m guessing with a 39 hz f3.

All boxes are sub up/port back with the subs as close to the hatch as possible.

Thanks man!

Love your way of explaneing it to me:)

I will have to look at this setups and do my head in:P

Thanks alot!