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Measured bass response of professional system
I put a CD full of test tones onto my iPod and took it and a Radio Shack sound level meter out to the car and measured the bass response with all tone controls set to flat. I found it was down 3db at 40 Hz and down 16 db at 30 Hz. Even down that far at 30 Hz, I could turn the volume up far enough to make something in the car vibrate, not sure what. Any lower than 30 Hz, the speakers make bad noises when pushed. This is indeed a good sounding system but there is room for improvement at the low end. I've been thinking about a subwoofer in the spare tire cavity....
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