3 12" or 2 15" ?

What would be louder 3 12" or 2 15" Diamond Audio CM3's? Right now im looking for SPL and later im going to upgrade everything and boost my SQL. But whats louder?

probably about the same

the box is the most important part of spl or sq for that matter just cause the 15's are bigger dont mean they will be louder

well, when you are talking about the same same series from the same manufacturer then you take out most of the variables. Since they typically use the same motor assy for 12's and 15's, the only thing to consider is cone area.

O.K. well I was thinking last night. Would it be possible to wire 2 12" and 1 15" off of the same AMP in parallel form or would it complicate things?

as long as the resistence is the same and has the same power rating. but it will sound like butt.

Why would it sound bad? They are the same type of subs and I think the 15" RMS is only 100 watts more than the 12" and I am going to have a 100 whats to spare with the amp im getting.

it's just something you usually don't do. A 12" sub will sound different than a 15", even if they are identical in every other way.

Oh O.K. and what do you do in a truck that has very limited space like a Toyota Tundra? How can you make space for subwoofers if theres almost no open space?

you could try reverse mounting them, so you can take advantage of more box space w/o having a need for lots of depth...


... or get less subs:grinyes:

Hah I think i might go with choice #1. But where would be th best place to do that? Beacus only 2 10" would be able to fit under the back seat, and the backs of the seat are flush against the back of the truck. Is there something I could take out to make more room or is there a plase I havent thought of putting a sub yet, like mabe in the front some where?

you just have to be imaginative

Just build a good box. Almost any sub should sound good in a pickup.

2 quality 12's in a truck cab would put out a lot of bass

ok thanks, Im just not sure what car im getting, and if I dont get the Avalanch the other truck I may get is kinda short on space for subs, so ill be making another set of plans just incase I dont get the Avalanch so im sure I will more questions later.

you could do a blow through. but if you use the truck's bed i wouldn't. but in a avalanch i don't think you can do it.

I saw an AWESOME Avalanche last Sun, a demo car from Steve Cook. dbfreak may know the guy.

Ya I already have plans made for the Avalanche but I didnt know what to do with the Tundra. And this may sound dumb but what is a blow through? I think I know what it is but im not sure. And I tried looking up that Steve cook Avalanche on the internet but I got nothing. Do you know a web site I could go to to see it? I thought it would be woth while if you thought it was good. :]

a "blow thru" is where you cut thru the bed front and the back of the cab in the same place. The subs are mounted in the bed and blow thru the hole into the cab.

Steve has like a dozen dBdrag finals titles. The Avalanche was a demo, if I had known you wanted pics I would have taken some. There were 2 18" subs and a massive slot port in the blow thru box, the bed had 6 long Memphis amps. I am guessing 2 amps per sub of the biggest memphis makes, the other 2 were fused a little lower and were probably for the mid tweet stuff. There were 3 alts and 3 batteries, all were done in a sweet manner ... looked like something from the factory - you know, metal brackets and wire looming everywhere. It was hard to tell which one was the origianl battery. And the detail of how install highlights lined up was first class - you would really have to see it.

Dang that sounds wicked. My parents keep on telling me my truck is going to be too loud and unhealy for me but ill just let them read tht and show them tht pimp my ride were they stick 2 jackhammers and like 20 or 30 mid speakers in the breadtruck. I dont realy like pimp my ride because the people they give the cars too dont realy even know what they have or what to do with it, but tht show was crazy.

shows like pimp my ride have 2 big problems; the first is that they have sponsors so they have to use that equipment - I personally wouldn't use most of it, the other is that they have VERY limited time to do it.

Most of the guys on shows like that are actually capable of far better work, given the proper time.

I agree, I wish they would make one car and take there time on it and get the job done right. Because if they can do that good of a job in a limmited amount of time, then think about what they could do with all the time they need. They are very talented. And by the way just to throw this out there I think im going to get two 15" subs, and a 1200 hifonics amp. The watts line up perfectly, two 600 rms subs and a 1200 watt amp, and it will be cheaper, and less wattage. And from what yall tell me it should be about as loud? And what do you know about getting neon around subs, is it easy to set up? or is not such a great idea?

that wouldn't sound to bad but on the hifionic amp go bigger because that overrate rate there lower models. about the neons though if that is your style go for it but me personally i wouldn't get caught with those things.

Ok, so should I probably get the 1600 instead of the 1200? and if I do get the 1600 would it be over powering the subs to much and damage them? The subs are 600 RMS. And I saw a system with neon and it looked pretty cool but im not sure I want to go there, it looks like to much trouble.

if you want loud with quality bass and depth go for the 2 12s id say rockford, the 15s will get really deep not so much loud

CRUD!well now I think I might want the 3 12" if there going to be louder. Would it be a big difference in DB between 2 15" and 3 12"? and wich would be louder? If there isnt going to be tht big of a difference between the two im going to go with the 15" but if there is a big difference I want the 12". PLEASE HELP!

2 15" are going to hit the lower frequency better. and 2 15" looks better then 3 12" and the db would depend on the vechile and the install.

Ok im just going to get 2 15" im tired of changing my mind, and im sure yall are tiired of it too and hearing about it. How could you make the subs louder? Is it just in the instalation? Because if it is im going to make sure its done perfectly but what do you need to do to install speakers into a box and then the box in the truck?

by install = box tunning, placement, etc. also i meant to say 2 proper built 15's and most 15" need 4 cubic feet a peaice.

When I was 16, I drove my dads Toyota T100 a lot, so I took it upon myself to put two Alpine Type E 12's on a Power Acoustik LT980/2 in the backseat. I just set 'em on the seat, which not only gave me insane bass, but also meant I had room for two less people. I hated giving everyone a ride, so it was a great excuse.

CM3's need 4 cubic feet for ported and like 1.2- 2 feet for enclosed and im doing enclosed, or should I do ported?

you could make a center console box with 1 badass 10.. then put two thin 12's under your seats - like those new excelon subs

Well eventually I would like to have 2 15" (which I am getting) and a 2 10" down frire system. But I was told not to mix sub sizes cuz it sounds bad.

2 10" subs will contribute little to nothing to the volume of a system with 2 15's

Oh ok thanks. Well last night I was hanging out with some friends and the car audio guy from best buy. And we were banging down the street and all of a suden we heard an explosion and we parked at some store and looked at his speakers. The glue that glues the rubber to the cone had come undone. I think I read a thred some were that said to use rubber cement. is that right? And how should it be applied the right way?

you need a special glue to attach the surround to the cone. Rubber cement is best used for small cuts in the "plastic " cone.

i was reading that some type of plumbers glue is good for that area since it is flexiable