Plans for an SPL Box, optimum tuning frequency? Trying to pass 150dB

[1.21 jiggawatts]

if it helps any in the usa he is using a ford aspire to us.

 

[akadj 10+ year member]

Your objective is to compete in dbDrag with this build?Are you familiar with the class structure?

With street max class eliminated he's gonna end up in super street.. I'm scrapping the Metro Build and going to make a street stock 4KW in my suv now

 

[n8skow 10+ year member]

My reason for asking - is why not wall this car off instead of the current plans? With the (planned) box enclosure, he'd be competing against walled vehicles anyways...

 

[akadj 10+ year member]

My reason for asking - is why not wall this car off instead of the current plans? With the (planned) box enclosure, he'd be competing against walled vehicles anyways...

Im not sure what org hes planning on competing.. But could be super street no wall

 

[n8skow 10+ year member]

Post #14 said the box is going to be a bit higher than the window line... which will bump him to a walled class.

 

[akadj 10+ year member]

Post #14 said the box is going to be a bit higher than the window line... which will bump him to a walled class.

You are right, I didn't even remember that post. Thanks for the reminder!

 

[RSDXzec 10+ year member]

My reason for asking - is why not wall this car off instead of the current plans? With the (planned) box enclosure, he'd be competing against walled vehicles anyways...

Because the car is a daily driver, here in Aus only vehicles allowed with a wall are utility cars like Vans Utes etc.

 

[RSDXzec 10+ year member]

Your objective is to compete in dbDrag with this build?Are you familiar with the class structure?

yes i have the classes from the previous competition, same people are running it so classes will be the same.

 

[bumpasauras 10+ year member]

Dayum 150's on apsm1500 is very impressive akadj just goes to show ya it's all in the design

 

[akadj 10+ year member]

yes i have the classes from the previous competition, same people are running it so classes will be the same.

This is the first year for the class changes, the one you seen last year may or may not have been eliminated. Just have to check i guess. But they did introduce a couple more new ones

 

[Full Tilt 10+ year member]

Dayum 150's on apsm1500 is very impressive akadj just goes to show ya it's all in the design

He's running 4 12s in a box designed for optimal output. If the APSM could do it, so could just about any other amplifier.

 

[akadj 10+ year member]

Dayum 150's on apsm1500 is very impressive akadj just goes to show ya it's all in the design

It is just for competition though, so it probably doesn't sound great on music, to be honest I never even tried, there is no mids/highs. Just 2 - 15's in a wall and a single XS power D3100 under the hood with a stock 55 amp alternator!!!

But your right, is all in design and testing.

I was hoping to get more out of the car then i did, the more power I put to it the less it was gaining, at 3000rms i was at 152, at 6500rms I was at a 153.5, then I added a second, made some mods and got a 155. I was really hoping to get to a 160db off a single battery. Not bad considering I have been out of the car audio competition scene for almost a decade LOL

 

[akadj 10+ year member]

My reason for asking - is why not wall this car off instead of the current plans? With the (planned) box enclosure, he'd be competing against walled vehicles anyways...

So I'm onto a new build, going with 4 - 18's and a pair of 2kw amps.. I got hopes of getting up to 155 in the end. Think I can get it?

What do you think the new street stock 4kw class scores will be?

 

[n8skow 10+ year member]

Your previous post says you've already reached a 155... I'm confused...

 

---------- Post added at 11:10 AM ---------- Previous post was at 11:09 AM ----------

 

As far as future street stock scores - I have no idea man, I don't know who's building for it.

 

[akadj 10+ year member]

Your previous post says you've already reached a 155... I'm confused... 

---------- Post added at 11:10 AM ---------- Previous post was at 11:09 AM ----------

 

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Previous post was the Geo metro streetmax with a wall and 2 -15's.. New build is street stock 4kw 4 - 18's and a couple 2kw amps