NDNclosure- 2.5 cubes @ 24hz

[matt_martin87 10+ year member]

For as long as I can remember I've dreamed of designing and building a box that was tuned super low. There was just something intriguing about pushing the limits of how low you could tune in a mobile application. Getting loud around 35-60 hz is fine and dandy for some, but I'd rather sacrifice some SPL to feel the rumble of the 20-30hz range.

So I built this box. It's 2.5 cuft. tunable at 33hz, 28hz, and 24hz. I used 2 4" PVC pipes instead of conventional aeroports since I was on a budget. The ports stick out of the box enough to add a 90* elbow to each. Without the elbow, it's 33hz, with elbow it's 28hz. Add a 12 inch extension to those elbows and you have an enclosure tuned at 24hz.

The sub used is a 12 Fi SSD. Nothing terribly expensive or monstrous. Just enough to handle to 500rms at my disposal.

Results of 24hz tuning: //content.invisioncic.com/y282845/emoticons/awesome.gif.4430a219d9aaaa6cadc75e9290979dfb.gif

I nearly pooped a little the first time I heard the Bass Mix of In the Air Tonight. Truly, you have to feel it firsthand to believe. I'd highly encourage anyone to build a box tuned this low at least once.

Youtube Clip:

YouTube - Down and Dirty at 24hz.

On with the pics:

My canvas

Never enough clamps

Click to read more...

 

[matt_martin87 10+ year member]

My First Double Baffle

Youtube Clip:

YouTube - Down and Dirty at 24hz.

 

[matt_martin87 10+ year member]

Double Post. *ughh*

 

[RAM_Designs 5,000+ posts]

Did you mess with port angles? Looks like fun. //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif

 

[matt_martin87 10+ year member]

Did you mess with port angles? Looks like fun. //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif

Looks fun because it is fun. //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif

I pointed both ports towards the passenger. Honestly, I didn't think it made much of a difference. If anything, it's marginally louder pointed straight up.

Wish I could keep this setup. I'm replacing the sub with a DC Level 3 15. My first ever 15 at that. I'll probably only have room for a 30hz tuning. Shouldn't take long to get over once I hear how it pressurizes the turdmobile.

 

[Mookie 10+ year member]

You ever try this testing with an Fi Q?

 

[matt_martin87 10+ year member]

Nope. I'd really like to have a Q again though. You send one to me, yes?