CJSmith Posted October 12, 2013 Author Report Share Posted October 12, 2013 not as loud to the ear or meter? It wasn't as loud to my ear, I haven't metered it this way yet. But I built it to be a ground pounder, not worried about numbers. Loudest I've had it on meter was 154.2db though. *Rebuid in progress* Link to comment Share on other sites More sharing options...
TaylorFade Posted October 12, 2013 Report Share Posted October 12, 2013 As mentioned... changed your cabin volume and effectively changed your peak and your contructive/destructive interference. Lower usually sounds louder to the ear-o-meter, but I bet the 'B' pillar placement is louder on the TL. But if it's for daily, by all means move it back. But it sure would be nice to see some accompanying numbers with it at the 'B' pillar so you know for sure that it's not just psychoacoustical. You may have just been *expecting* it to be much louder at the 'B' pillar and it didn't meet that expectation so you *think* it's not as loud. Food for thought. Link to comment Share on other sites More sharing options...
audiofanaticz Posted October 12, 2013 Report Share Posted October 12, 2013 Pretty much what CleanSierra said: It takes less of a distance for the wavelength for the higher frequencies to develop compared to the lower notes. Other things to take into the consideration is the now smaller cabin size which can sometimes help or hurt you, as well as the vehicles resonate frequency probably jumped a easy 10-15hz higher then it was before. You can try raising your tuning which will bring back some of your spl if you get it close enough to the resonate frequency of the vehicle, but for that matter a simple 5-7hz higher tuning might be a drastic increase even if your still a bit away from the resonate frequency. Your other option would be moving your wall back to previous location, and then sealing it off again. You don't have to be at the B Pillar to seal it off, just a bit more work. Link to comment Share on other sites More sharing options...
fecupe2001 Posted October 12, 2013 Report Share Posted October 12, 2013 Pretty much what CleanSierra said: It takes less of a distance for the wavelength for the higher frequencies to develop compared to the lower notes. Other things to take into the consideration is the now smaller cabin size which can sometimes help or hurt you, as well as the vehicles resonate frequency probably jumped a easy 10-15hz higher then it was before. You can try raising your tuning which will bring back some of your spl if you get it close enough to the resonate frequency of the vehicle, but for that matter a simple 5-7hz higher tuning might be a drastic increase even if your still a bit away from the resonate frequency. Your other option would be moving your wall back to previous location, and then sealing it off again. You don't have to be at the B Pillar to seal it off, just a bit more work. You had more room in front of the box the way it was before for the sound wave to develop and travel. You shortened that distance and effectively lessened the distance the wave can travel. I would move the box back to where you had it before. AMEN!!!! I´m the SPL Gains topic creator!! wanna get louder?? check this: SPL Gains. Panamenian 2009 & 2010 & 2014 Bass Race 149.9 Champion! 2 15" subs and a 2K wired at 1 ohm, http://www.stevemeadedesigns.com/board/topic/167788-fecupe2001-2-15s-on-a-2k-video-on-page-3/ 8 Massive 15" subs and small power, http://www.stevemeadedesigns.com/board/topic/179296-fecupe2001s-8-15s-4th-order-bandpass-wall/ Link to comment Share on other sites More sharing options...
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