Who can help with a dual rl-p 12 box?

[CT_SRT 0]

Hey if anyone is from around CT, and could help me or build something for me that would be great,if not is there anyone who can draw me up a box design for 2 12" RL-P's about 1.75^3 feet per sub with 24^2 inches of port per sub tuned to 32 hz, if you need some more info let me know...Thanks again...

[haydenlake 0]

Hey if anyone is from around CT, and could help me or build something for me that would be great,if not is there anyone who can draw me up a box design for 2 12" RL-P's  about 1.75^3 feet per sub with 24^2 inches of port per sub tuned to 32 hz, if you need some more info let me know...Thanks again...

<{POST_SNAPBACK}>

seeing how it's going in a car you will need to provide the maximum dimensions that it will eventually fit into as well as any smaller pinch points that tell you how big it can be to fit through the intial hole in the trunk.

Height depth width etc. you might want to leave at least a .5" gap because if you had your box tight agains your deck lid it could rattle even more.

Who is building your box? local in CT? I could send you a flat kit and then all you would have to do would be get large wood clamps and glue the whole thing together (this might sound odd but many kits are done like this).

If you want your box to look really nice have them do a flush mounting baffle and a center slot port, that way the subs are equal distances from the port and the port acts as a brace.

Unfortunatly shipping would probably be a major drawback (I'm 100 miles from Canada up in Idaho)

[CT_SRT 0]

Ill get on the info tommorow afternoon....Luckily i just found someone local to buidl the box he's only like 20 minutes from me so i will def save some money which is key.. thanks

John

[CT_SRT 0]

I think i might have to figure something else out besides on what i plannned but u guys are the experts so let me know...I just dont know if theres enough room...ALright here are the dimensions..

This is end to end, not allowing any room on any sides

Height, 15 inches, would be more excpet for this weird little box hanging down by my 6x9's that i might be able to remove free up 2-5 inches or so...

Smallest Width 31," but thats only for a a few inches by the seats and widens out to 35"

Length leaving some room between sub and trunk opening maybe 2 or 3 inches is 33" let me know what guys think..

.Maybe for rooms sake i might want to consider a single sub setup(any ideas, that might get as loud) i didnt think it was so small...Thanks

[///M5 2,833]

You just outlined 9 cuft which includes box materials, port space, the drivers, and filling up the space completely. Are you sure that you can get a box that big into the car in one shot? If so you should be just fine as you don't need 9cuft...

[CT_SRT 0]

You just outlined 9 cuft which includes box materials, port space, the drivers, and filling up the space completely.  Are you sure that you can get a box that big into the car in one shot?  If so you should be just fine as you don't need 9cuft...

<{POST_SNAPBACK}>

really 9 cu feet???that much that wouldl make me soo happy. i was all depressed and drunk all afternoon thinking i wouldnt have enough room for everything...and trying to figure out a dif setup...NO joke thats the specs i got being relatively conservative too...AWESOME...i thought i was gonna have to do like 1 15" or somen....M5 u made my day...NOW SOMEONE HELP ME WITH A DESIGN>....PLEASE

[///M5 2,833]

All I did was a little math: 33"X31"x15" / (12"x12"x12") = 8.8cuft

Your plans of "1.75^3 feet per sub with 24^2 inches of port per sub tuned to 32 hz" are just fine.

[CT_SRT 0]

much appreciated brother...I was trying to figure out how to do that calculation like all afternoon..(im a moron) but its good to know from now on, thanks again....

[haydenlake 0]

much appreciated brother...I was trying to figure out how to do that calculation like all afternoon..(im a moron)

Edited January 27, 2006 by haydenlake

[///M5 2,833]

much appreciated brother...I was trying to figure out how to do that calculation like all afternoon..(im a moron)  but its good to know from now on, thanks again....

here's a quick version of what you might want. I would move the port to the center that way it acts like a brace and your subs load evenly. this should look sweet! but i would go with a bit lower tuning if I were you something like 26-28hz it wont be as loud but the speakers will be safer because they won't unload as easily.

later,

The attatchment stil works but it didn't keep your info i input so just fill in the blanks.

3.5cuft

driver displacement .4 (add more here for bracing)

tuning

height and width

sweet program huh it even tells you what pieces to cut and its accurate every time.

A lot easier than doing it by hand like I have been....

[CT_SRT 0]

u guys are awesome..why do u think i should tune it lower again..How will tuning it to 32hz not be as safe, can this be fixed with a subsonic filter??I dunno just throwing ideas out there..Thanks again all, would really like to know though because i want it to get as loud as possible, and being that its already really an sq sub, i really dont want to take away more of its ability to get loud...

Edited January 28, 2006 by CT_SRT

[haydenlake 0]

u guys are awesome..why do u think i should tune it lower again..How will tuning it to 32hz not be as safe, can this be fixed with a subsonic filter??I dunno just throwing ideas out there..Thanks again all, would really like to know though because i want it to get as loud as possible, and being that its already really an sq sub, i really dont want to take away more of its ability to get loud...

<{POST_SNAPBACK}>

It works like this. Lets say your box is tuned to 32hz, and you are playing a note (sound) around this frequency your woofer will not be moving much and the port will have air moving like crazy. It sounds kinda counter intuitive but its how it works. When you play notes around and above 32hz the woofer with have back pressure (like a muffler) which is good this makes your subs feel controled and they have acoustic resistance because of the box. When you play a note below your tuning frequency the woofer acts like there is no box at all. If you have ever played a sub without a box you'll notice they can move very far with little power, people who tune their box to the mid 40 and then play a 25hz tone often hear their speakers bottom out like hell.

So the point is that the lower you tune the less chance there is that you are going to be listening to music and suddenly bottom out your speakers. Since you listen to rap this is somewhat more important to you because there are tones that go down fairly low like 20ish. If you only listened to rock and country if you are a real tard you could be fine with a 40hz tuning.

Don't worry about a 30lbs driver being too "SQ" RLP's can get plenty loud exp. two of em in a ported box with enough power.

A lower tuning generally sounds better because it takes out some of the boomy sound in the mid 30's and lower 40's and adds extention to the lower notes. Keep in mind a box tuned to 26hz will play 28hz way louder than a box tuned to 34hz. It all depends on how low the music goes you are listening to.

And yes a subsonic filter could help your situation, if you want really loud and decent sq tune to 32-34hz and use a subsonic filter.

did that help?

b

[flakko 1]

^^^^ true true, also take note that if you tune TOO low, it could start to sound boomy in a car.

If you only listened to rock and country if you are a real tard you could be fine with a 40hz tuning.

lol

[CT_SRT 0]

That helped alot guys thanks...One last little question, which do u think is basically a better idea to do, tune a little lower, since i pretty much only listen to rap, and rap that gets loud and low, or keep the 32 and get a subsonic filter???Basically which would u do if u were in my exact situation and wanted why ive basically explained so far....is one safer than the other...Alright thanks again everyone...

[///M5 2,833]

I'd tune lower, but again I don't "just listen to rap"

Dual Rlp's ported are gonna bump either way...

[haydenlake 0]

I'd tune lower, but again I don't "just listen to rap"

Dual Rlp's ported are gonna bump either way...

<{POST_SNAPBACK}>

One of the most impressive things a person's stereo can do is get loud while playing low, if you don't tune low you can't get loud low. there is plenty of rap out there that has lots of low notes so if you subsonic filter them out or tune above them you won't hea that much more of the music. When your playing Luda or some three six you want to hear all of it right? tune to 28hz and you'll be fine, its likely you won't know the differnece if you tune to 34hz because you've never had another box tuned lower, but since I've had an RLP in many boxes I can honestly say that I like em tuned lower. My next rpl box for my home is going to be 1.9cubes tuned to 18hz. I loose output overall but gain extention (the ability to play a larger variety of frequencies. an 18hz tuning in a home is one thing but you don't need to go that low in a car.

now all you have to do is pay mike and your box guy and your set

[CT_SRT 0]

hey awesome then ill guess im just tune a little lower.. Anyway a couple of my buddies thinks that a single DD3515 or a single AudioqueHD15 will get louder than the RL-ps and sounds really good doing it...So they've got me kinda second guessing myself, i guess, let me know your thoughts... I need to order this stuff like monday so...Thanks again, especially haydenlake.....

Edited January 29, 2006 by CT_SRT

[haydenlake 0]

hey awesome then ill guess im just tune a little lower..  Anyway a couple of my  buddies thinks that a single DD3515 or a single AudioqueHD15 will get louder than the RL-ps and sounds really good doing it...So they've got me kinda second guessing myself, i guess, let me know your thoughts... I need to order this stuff like monday so...Thanks again, especially haydenlake.....

<{POST_SNAPBACK}>

When you are planing to spend 500 bucks on subs there are sooo many choices, everyone will tell you their own opinion and hopefully they are only giving you recommendations on gear they own (not just heard in one guys setup).

Measure the distance between the floor of your trunk and the lowest point in the decklid and see if a 15 would even fit in there in the first place. If its right around 14-15" you should be able to fit it in there and you might wind up having to use a slanted box design to gain the additional space. If you are thinking about 15"s then remember that the RLP 15 is sweet too. I doubt you could fit two of em but one would be plenty for most people. Strickly by cone displacement a pair of 12"s with the same xmax as one 15 the 12"s will be louder. And very likely sound better because you typically have twice the motor power and power handling if you are using the same series of speaker. (note most companies use the same motor for the same series of subwoofer).

one 15 will be a lot less expensive than 2 12's and you might want to save more money for things like sound dampening etc.

I put over 300sqft (150lbs) of sound dampening in my little 3 series BMW and you can hardly hear road noise at 45mph on a gravel road!

If you quite your interior by 3db you effectively made your system twice as loud. Plus this sounds better and people are less likely to jack your chit if they don't hear it.

later,

I'm working on my tower speakers today, maybe I'll post when they are done. Should be sweet, faux lizard skin baffle with suede rapped around the rest.

[Eldorado 0]

you better post some pics !

[///M5 2,833]

why didn't you use real lizard skin? wouldn't have been cooler...ha.

Would Love to see them, post pics soon!

[CT_SRT 0]

Yeah i think my height is exactly 15 inches, so hmm miight eliminate that for me.. I dunno this decisions is so hard.... I though i had it all figured out and differnt options just keep coming up, first i didnt mind spending 500 on subs, now it seems that it might be excessive because maybe for my needs i can find what i want for under 500 u know. Im just so confused, if i didnt have the stupid internet this wouldnt be a problem..lol..I also talked to DJ the owner of Audioque, and he is coming out with a new line thats supposed to get crazy loud and sound amazing, my guess is its a good competition for the Rl-P's for under 200 ...the line is called the SD's..But it will be out in like 2 or 3 weeks.. Im just going insane, i wish people around me actually had these setups so that i could listen too them, but no one around here does that i know of. I honestly just cant decide theres too many options...Mike's a great guy and helped me with like 15 different questions in one day, i just dont know what to do..IM honestly contemplating doing nothing at all, i.e. returning my headunit, selling the Orion 1200D that i still havnt even recieved, returning the 300 dollars of wires and accessories ive bought, because not being able to decide is annoying me soo much...SOMEONE HELP...

[Eldorado 0]

Keep it stock.

[haydenlake 0]

Keep it stock.

<{POST_SNAPBACK}>

Quit being a undecisive pussy and buy something, once you do you won't know that the "other" system was better or worse (and then its) still relative anyway.

BUY BUY BUY