Welcome to the IHoP

[ABXX49 20]

And the smart ones never use on the model for production

Glad you are into the make, test, and change. Here is your first step. Build two simple ported boxes; one with a straight port and one with a labyrinth port. Measure their response and correct your model. It will be enlightening.

Could you enlighten me here? I'm just kind of curious as to the results, but don't have a sub for my car...

[B7L|BL4Z3R 4]

so,, question. would 2 15inch bl's not in the right box but pushed about 800watts a piece in a blazer be louder than an 18inch fi btl with the right box right electrical and right amp..

[topgun 262]

Impossible to say for sure.

[ABXX49 20]

Impossible to say for sure.

Agreed. This is the only true answer you'll get here.

[Adrian_D 520]

And the smart ones never use on the model for production

Glad you are into the make, test, and change. Here is your first step. Build two simple ported boxes; one with a straight port and one with a labyrinth port. Measure their response and correct your model. It will be enlightening.

Could you enlighten me here? I'm just kind of curious as to the results, but don't have a sub for my car...

As far as I know, the spl people always avoid bending the port. Not sure if it has a dramatic effect on the score and unfortunately I don't have time to test bent vs straight.

[Duran 387]

And the smart ones never use on the model for production

Glad you are into the make, test, and change. Here is your first step. Build two simple ported boxes; one with a straight port and one with a labyrinth port. Measure their response and correct your model. It will be enlightening.

Could you enlighten me here? I'm just kind of curious as to the results, but don't have a sub for my car...

As far as I know, the spl people always avoid bending the port. Not sure if it has a dramatic effect on the score and unfortunately I don't have time to test bent vs straight.

It's logical that bending the port takes up too much valuable space where they want a huge port to be as efficient as possible.

Oh and good morning HoPpers

[ABXX49 20]

So it goes against SPL design? He's going to run an IA Flatlyne, so I doubt SPL is his goal. Although his tuning was a bit high for something to get real low..

[NB50 206]

I believe he is alluding to the air flow characteristics.

[dem beats 1,223]

Its suppose to be in the upper 80's today and tomorrow.

same here

[dem beats 1,223]

I can't speak for true exact measurements but everytime I think "OMG this is amazing design, it will win everything it's the bestorz!!11!!" I remind myself, there are many people who do what every I am doing in this hoby for a living. They have million dollar if not billion dollar budgets, for R & D. I know I'm not the first person to come up with it either. So if someone in a profetional position doesn't use that method, it's probably not due to cost when it comes to competition levels.

If the that weird tornado thing to pun under your Carberator worked at the price it is, it would be in every drag vehicle period. If you can make a 100MPG engine that runs on hopes and dreams, ford, or chrysteler would have done it.(GM wouldn't but that's not fair, it's like a guy from the special olympics trying to compete in the real thing)

Back to audio, when i see some crazy fancy sub box design... I always think, well crap, no one I know who has won anything ever did something like that, and they are the best. I'm sure they looked at it, and scratched it off the list.

The KISS method works everytime. It's just a matter of fine tuning, and tweeking. More exacting tolerances Less error room or wiggle room.

[dem beats 1,223]

KISS TOP

[dem beats 1,223]

I really need to finish my house projects, clean up the rental, and then really sink my teeth into my buisness and scooping up another property.

I get so mad that I have to sleep and eat right now. Even doing the things I love piss me off because I could be doing something that could better my position right now.

And forget alllll about wedding crap and trying to loose a few lbs. I have NEVER been this busy in my whole life, and it's starting to manifest in my health. I have some cold/throat crap in my lungs all wheesy and coughing. I would take a vacation, but I need to save it so I can have time off for the wedding. And I'm not even going on a honey moon! At least not in any forseable future plans.....

[dem beats 1,223]

/rant

[Adrian_D 520]

Seems like a lot of people forgot my phone number or pretend they don't know who called them.

[Adrian_D 520]

I can't speak for true exact measurements but everytime I think "OMG this is amazing design, it will win everything it's the bestorz!!11!!" I remind myself, there are many people who do what every I am doing in this hoby for a living. They have million dollar if not billion dollar budgets, for R & D. I know I'm not the first person to come up with it either. So if someone in a profetional position doesn't use that method, it's probably not due to cost when it comes to competition levels.

If the that weird tornado thing to pun under your Carberator worked at the price it is, it would be in every drag vehicle period. If you can make a 100MPG engine that runs on hopes and dreams, ford, or chrysteler would have done it.(GM wouldn't but that's not fair, it's like a guy from the special olympics trying to compete in the real thing)

Back to audio, when i see some crazy fancy sub box design... I always think, well crap, no one I know who has won anything ever did something like that, and they are the best. I'm sure they looked at it, and scratched it off the list.

The KISS method works everytime. It's just a matter of fine tuning, and tweeking. More exacting tolerances Less error room or wiggle room.

I disagree with you a bit. If there weren't people who tried new stuff there wouldn't pe progress and inovation. At least that is my view on the subject.

[ABXX49 20]

Hi hop.

[dem beats 1,223]

I agree Adrian, my point was more that it has been tried by those with much more funding already.

If it was a truely 'new' design I would say that inovation would be a part of it, but we will never do anything truely 'new' with MDF and a driver that someone else hasn't. Just bigger, stronger, etc and again, every aplication is different. That was the catalyst of my point. When working on a design it is best to start with something simple, then modify. Making something that requires a large up front investment(money or time) and then adjusting that will be a larger headache. The more complex the original design, more variables and much more diffocult to refine and measure.

[- Nickelz N Dimez - 0]

Woooooot!

Just got my job after two months of being laid off..

Chea..

[dem beats 1,223]

think engines 50 years ago. If your working on a v8, and you expect to have better results by extending the length of the exhaust, I am all for trying it. Someone else probably has though. I would describe that as refinement a given variable. Not that you can't refine a heck of allot. Look at v8's and the power they produced then compaired to now. Even with DI engines it's still the same basic paramaters.

If I went all crazy and on an espresso bender invented the wankle engine, I would call that an inovation or progress. It's a paradigm shift. I am even stretching that really IMO because it's still combustion. It's unknown teritory though, and will requre refinement before it can be truly usefull.

[Adrian_D 520]

I agree Adrian, my point was more that it has been tried by those with much more funding already.

If it was a truely 'new' design I would say that inovation would be a part of it, but we will never do anything truely 'new' with MDF and a driver that someone else hasn't. Just bigger, stronger, etc and again, every aplication is different. That was the catalyst of my point. When working on a design it is best to start with something simple, then modify. Making something that requires a large up front investment(money or time) and then adjusting that will be a larger headache. The more complex the original design, more variables and much more diffocult to refine and measure.

Agreed that most of the things we think of have been probably tried out by other people.

I was thinking a couple months ago about changing the ferrite from a motor to some neo rings / cubes. 2 weeks after the idea hits me I find a subwoofer with that exact idea implemented.

[Adrian_D 520]

Hi hop.

Hello there.

[dem beats 1,223]

I would say you followed a good process adrian. If you have a great idea, I'm all about researching it!

It's like a forum. Search button FTW.

[topgun 262]

Just got back from a bike ride with the roomie. Its probably been a year since I've ridden, and first time I've wore shorts and tennis shoes in god knows how long. We did ~8.5mi on trails around here, twas fun.

[topgun 262]

Got my white ass legs some sun...

[ABXX49 20]

Got my white ass legs some sun...

I know the feeling. Winter up here in Northern PA was brutal this year...