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Car Forum / Driving, Maintenance, Tuning / Car Audio / March 2004Subwoofer firing direction important?
I have heard some debate that the sound wave from the subwoofer sounds best when it has room to travel. So in saying this would firing a subwoofer towards a metal sheeting in the car make the sound quality worst or was what I heard just bull? Some sites say travel others say no as bass can "pass" through metal sheeting so who's right? Reason I ask if I will have a new sub and box built but the design (wedge type) of the box only allows me to fire towards the hatch (around 6" travel) instead of the opposite side (around 30" travel). Many thanks Jim > I have heard some debate that the sound wave from the subwoofer sounds best > when it has room to travel. Like a fine wine, it needs to breathe? Doesn't make much sense. > So in saying this would firing a subwoofer > towards a metal sheeting in the car make the sound quality worst or was what > I heard just bull? Some sites say travel others say no as bass can "pass" > through metal sheeting so who's right? www.installer.com/tech/aiming.html thanks...interesting reading. Jim > > I have heard some debate that the sound wave from the subwoofer sounds > best [quoted text clipped - 9 lines] > > www.installer.com/tech/aiming.html > I have heard some debate that the sound wave from the subwoofer sounds best > when it has room to travel. So in saying this would firing a subwoofer [quoted text clipped - 9 lines] > > Jim The amount of effect that firing direction will have is dependant on frequency. If the wavelength of the frequency is longer than the longest dimension of the inside of your car the effect should be minimal. If the wavelength of the frequency is shorter than the longest dimension in your car the effect can be huge. Harmonics of these primary frequencies can also come into effect if they are loud in comparison with the amplitude of the primary. Check this site out there is some pretty cool stuff there. http://www.bcae1.com/frequncy.htm |
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