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the idea behind facing subs backwards is all to do with "loading." it is possible to get up to a 3 db gain just by loading the sub off say the hatch in a hatch back. the idea is the subs and the car work together basically creating noise. the problem with loading a sub backwards in a sedan is, if i set the picture, in a hatch, the waves hit the back of the car, then basically bounce off a place in the roof, then into the front of the vehicle. the problem with loading it in a sedan, it bounces of the rear of th boot, to the boot lid, then basically back into the subs where it came from, causing cancellation. it works but is not as efficent. a way i have found that has worked time and time again is to face the subs towards the front of the vehicle, making the box so it seals the boot from the cabin, making the subs part of the cabin, and porting the box into the cab. this makes the cab smaller in terms of sound pressure level (SPL) and there is no problem with cancellation. it is hard to explain what i am rambleing on about over the internet, but i hope it helps in some respect. Take care all and happy "stereoing"

JR

  • 2 weeks later...

How much do people know about fibreglassing? or even just building replacement walls for the boot? The stock stuff on mine is a little hacked on one side, and seeing as i am putting in sub/amps in soon, thought it might be a good time to investigate getting in replaced. Do people get this kinda thing done at the audio shop? any idea on costs and details? It seems too time consuming/painful to try and measure it up myself. call me lazy

Damn thats a pretty nice website - love all the install's pics. Unfortunately i am in adelaide - bit far to go for some custom work. Is there anyway to get an idea of the cost of some of those installs? Also, anyone know of a equally impressive seeming place in SA?

try "GL Pro Sound" on Keilor Road in Niddrie, they are awesome, were at autosalon and have done rockford fosgates display car, eclipses display car etc etc, highly recommend them

Anthony - 9379 1222 (tell them nathan referred you and they will look after you)

hope that helps :(

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