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Originally Posted by Dan2587  I was having a search for shallow mount subs and one called armageddon keeps poping up, Has anyone had or heard one of these as they are a nice size so dont take much room but i cant find any reviews and wanted to know how good or bad they are cheers dan. |
Bass is a perennial problem for audio speaker designers. There have been many attempts over the years to reduce the size of an enclosure yet still have it deliver deep and articulate bass.
Most work. To a point. Bass reflex systems certainly do help but the enclosure and it's ports will ultimately have a resonance point.
Transmission line designs can also work well but are not really practical in a car.
Shallow enclosures don't really work in my opinion. You'll get the odd boom and thud but it'll be what I term as 'one note bass'.
One of the simplest things to do is utilise the boot cavity as an enclosure. It's crude but yet large enough that the resonant frequency will be below anything your system can deliver.
Simply mount a 12" or 15" driver in the parcel shelf. You will need to reinforce the shelf but then you have got a speaker in free air with it's front and rear sides effectively isolated.