tuned box

how exactly do you tune a box to a certain hz?

Box tuning is all determined by the port.

The length the air has to travel will help determine the tuning.

In slot ports its basically how deep the cut on the port peice is.

Example of mine:

Notice how theres an open space? This is where the air is released and helps the tuning. This also determines how tall and deep the port itself is also!



With areo ports it's just about how long the tubing is from TIP TO TIP.

ohhhhhhhhhhh, ok. gah, i'ma need a big port for 4 15's.

http://www.subwoofertools.com/forum/ported-box.asp?Ew=48&Eh=14&Dia=6&Xmax=12&Vd=0.1&NumW=2&Vb=4&Fb=33.7&Qts=&Vas=&Fs=&CE=0


Use that site for a quick/cheap

Input the information for your subs.

Thats for something i was gonna d awhile ago lol

lol, ty bra. you seem to know your **** when it comes to subs.

alright, now i have a dilemma with subs. i don't know to go with the 15" kicker compvx or the 15" memphis mojomax.

Ah I just pass along what I know.

I've been into this for only like 3 years now but idk I just seem to absorb all this stuff.

As for the subs Take a look at this chart in a recent test on a 12" CVX

Sealed


Ported




Also might wanna check out a Mass Destruction Napalm...... Wow sorry if that seems like a sales pitch but the power efficiency on these are crazy.

Check the vid of what it can doooooo
http://www.realmofexcursion.com/videos/MassDestructionCarAudio/napalm10.1.wmv

ahh yes the napalms very nice. cant wait to get mine lol

JOn, on the cvx charts, ones at 1.5 and 750, the other is 2.2 with 800......surprise surprise, the one with more air and power is louder. Also, what are the power ratings for the napalms? damn! I never knew they were that monstrous

Yea you cant go TO big with a sealed box cause the sub will bottom out. and only 50 watts..... lol.


1k daily 4k SPL burps is what there rated at. but supposedly someone did 10k SPL burp on it... but i doubt that.

oh now now Jon. those are not the updated numbers - they have the napalms at 1000rms / 2000 maxx daily, and a 6000 burst mode.

and only 3.5 cubic each ported at 34Hz would slam.

You havent been talking to tariq lately have you......


Trust me dont try that 6k.

I talked to jimmy micheal AND mandy about this 4k