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gregory863 wrote:  try reversing the sub. that means take it out and screw it in backwards. when u wire up positive and neg do that backwards too. it'll hit harder.

No it won't. You will not be able to tell the differance.Big Dave

are you telling me that a .5 q box won't sound better than a .25 box?? listen closely  the box that guy is using is very small. it's made to fit in a camaro/firebird in the side panel. one more time.....the box is too small. it will hit harder if the sub is reversed. the two guys that said it makes no differance are right only it the cabinet is the right size.  I can eat fifty eggs

what the hell if the sub is inverted ie backwards you would have slightly more airspace (like 3 or 4 litres) and it might hit a little harder, but as far as reversing the polarity goes it wont make a differenceClarion DB36MP

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jlord16 wrote: what the hell if the sub is inverted ie backwards you would have slightly more airspace (like 3 or 4 litres) and it might hit a little harder, but as far as reversing the polarity goes it wont make a difference

actually it would make a huge difference. IF you dont reverse the polarity the sub will be out of phase. unless it was out of phase to begin with lol

"People with mullets live 40% longer"   - Ricky Bobby

Here you go: Inverting subwoofers, gregory863 in some way you are right it might alter the response of the box, or change the tuned frequency of any ports, but not a huge difference.Shaking The Neighborhood

well guys we have to see if the guy with the car will invert the sub and tell us what difference he hears. by the way i looked up his sub box and it has .4 cubic feet. i bet if you calculate the displacement of the driver and the volume of the woofer cone, it will add up to at least .1 ft.. so adding .1 foot in this case(.4 box} means a 25% larger box! that will make a differance.I can eat fifty eggs

killer sonata wrote: jlord16 wrote: what the hell if the sub is inverted ie backwards you would have slightly more airspace (like 3 or 4 litres) and it might hit a little harder, but as far as reversing the polarity goes it wont make a difference actually it would make a huge difference. IF you dont reverse the polarity the sub will be out of phase. unless it was out of phase to begin with lol

Reversing polarity does nothing to a sub in terms of loudness, the box space will make a difference, but by the looks with the Lanzar amp in the way it mite not be possible to invert the sub.  Some people dont want max performance from their equipment, if it works for you and your happy with it then thats all that counts

Clarion DB36MP

Infinity Kappa Perfect 10"

Respone 800w Mono

ALPINE MRP-F250

*Custom fabrications*