Recent content by johnjj728

The "displacement" power handling is also referred to as mechanical power handling. In a ported box, the subwoofer will only unload below the tuning frequency. A subsonic filter will help eliminate this threat. A properly built and low tuned ported box with a subsonic filter should have a...

Bandpass boxes are not neccesarily louder and i highly doubt they will increase the port velocity. Bandpass boxes typically will only play a certain small range of frequency well. They are peaky and have drawbacks other than size and weight. Prefab boxes suck as they are tuned high and not...

I am currently running a Resonant Engineering 18XXX and a Directed1100d in my car. The sub box is about 9.5 cubes tuned to 30hz. I have deadened my trunk lid and it hardly rattles but the underside of my car will not stop rattling. Sounds like maybe gas tank or something else under there. If...

Does anybody know the approximate resonant frequency of our vehicles? I dont really want to buy a decible meter from radioshack to test it...It would be a big help, thanks John

edead... www.edesignaudio.com home depot also carries stuff that is alot cheaper but is the same thing

Audiobahn "Coupled Component" 4x10's...will fit 80's Monte Carlo,Regal,Cutlass etc....sound great and will include 150hz bass blockers..$25+shipping Handle 100 watts rms perfect condition http://www.sounddomain.com/id/85regalj pics on page 3 Audiobahn model as41Q Can be seen on...

ive been movin up in the car audio world and ive got an elemental designs e12a and nine.1 ordered and i wanna know if anyone has ever fit 4 inch speakers in the dash...i wanna get some better front stage without kickpanels. has anyone heard of anybody that has done this.. thanks alot, John

everything sounds good...except for the components. i havnt heard much good about the kenwoods. better equpiment for the money. mb quarts are nice as well as CDT audio and many other brands. hope it was a help. mounting tweeter with the kick panels supposedly sounds better because the...

http://www.sounddomain.com/id/85regalj Just some pics of my system as of right now..many more things to come...any suggestions to help me out are appreciated...i no its a little ghetto but im only 15 and payed for everything myself(including the car)and did all work myself(except for the box...

i took out the 4x10's and listened to it but it wasnt much of a difference...little louder but not much

i think ive got my mind made up....gonna port the box to 35 hz...with 2 3 inch ports that are 8.4 inches long and then im gonna take the insulation out behind the seat and leave the audiobahn 4x10's because i like the rear fill. sound like a decent idea to everyone??? and possibly make a hinge...

PPI typhoon youve got mail :)

so nobody recommends doing the ports??what would be a good idea to get more bass into the car itself??

the ports would only be about 2 or 3 inches long what would that be tuned to

that escort engine only has 132 horsepower stock and weighs near 24-2500 so that impreza must have been sooooo slow.....what kind of car were you drivin?