windowtinter Posted May 17, 2011 Report Share Posted May 17, 2011 2011 dodge ram with 4lvl4 15 and one db drive 3500 @.6 for now, sound awesome and chushes the lows.] Quote Link to comment Share on other sites More sharing options...
46panel Posted May 17, 2011 Report Share Posted May 17, 2011 Looks good. Box specs? Such as sealed/ported, port area, tuning? Quote 1946 Chevy Panel Truck: For Sale 1999 Ford Explorer XLT Subs: Ten Obsidian Audio 15's Sub Amps: Five American Bass 120.1's Speakers: American Bass mids and selenium tweeters Speaker Amp: Mb Quart Dsc4125 Electrical: DC power 250amp alt, 6 batteries http://www.youtube.com/user/46panel Link to comment Share on other sites More sharing options...
windowtinter Posted May 17, 2011 Author Report Share Posted May 17, 2011 1.5 per sealed 12ported with 20"sq./cube tuned @48 awesome overall smooth sound that gets nasty on the low side but the 50hz region will make your skin itch a lil as well. Quote Link to comment Share on other sites More sharing options...
46panel Posted May 17, 2011 Report Share Posted May 17, 2011 Awesome! I'm debating doing a 4th order for my 4 18's that why I was curious. How long is your port, about 10"? I was thinking of going with about 45hz tuning because I'm looking for a low end beast and doing a 2:1 ratio. 11 sealed 22 ported with about 450" of port area. Built a decent amount of boxes but new to bandpass. Quote 1946 Chevy Panel Truck: For Sale 1999 Ford Explorer XLT Subs: Ten Obsidian Audio 15's Sub Amps: Five American Bass 120.1's Speakers: American Bass mids and selenium tweeters Speaker Amp: Mb Quart Dsc4125 Electrical: DC power 250amp alt, 6 batteries http://www.youtube.com/user/46panel Link to comment Share on other sites More sharing options...
REaudioBuff Posted May 17, 2011 Report Share Posted May 17, 2011 So how exactly do you figure out what the range of play is in the box? I mean why tune it so high compared to a 34hz box or something. Reason im asking is im thinking of doing a 4th order in my car for my lvl4xl 15. Quote 1 Crossfire XS v2 15" 2 Deka group31a's 1 XS Power D3400 (under hood) 1 Addictive Audio 500.1 1 Rockford 3sixty.2 4 Crescendo pwx 6.5s 2 Pyle Pro Super tweets 1 Crescendo 1000c4 Kenwood excelon x494 Head unit Big Three upgrade All 0 gauge of course 1 4.56c^ft box @28hz (New Best official db score= 151.2 @ 36hz) Link to comment Share on other sites More sharing options...
46panel Posted May 17, 2011 Report Share Posted May 17, 2011 (edited) The tuning in a 4th order is like a low pass filter. Then the ratio helps determine how wide of a range it has. 1:1 ratio has larger 1:3 or more has smaller range but more efficient. Atleast I think that's what I've got out of my bp research. Edited May 18, 2011 by 46panel Quote 1946 Chevy Panel Truck: For Sale 1999 Ford Explorer XLT Subs: Ten Obsidian Audio 15's Sub Amps: Five American Bass 120.1's Speakers: American Bass mids and selenium tweeters Speaker Amp: Mb Quart Dsc4125 Electrical: DC power 250amp alt, 6 batteries http://www.youtube.com/user/46panel Link to comment Share on other sites More sharing options...
EdgarG0721 Posted May 17, 2011 Report Share Posted May 17, 2011 How low can a a badpass box get ? If you tune it so high? Quote Link to comment Share on other sites More sharing options...
Torres Posted May 18, 2011 Report Share Posted May 18, 2011 they don't operate the same as a ported box. look at 6th order boxes. they have two types of tuning frequencies Quote Link to comment Share on other sites More sharing options...
matt402 Posted May 18, 2011 Report Share Posted May 18, 2011 So how exactly do you figure out what the range of play is in the box? I mean why tune it so high compared to a 34hz box or something. Reason im asking is im thinking of doing a 4th order in my car for my lvl4xl 15. we have discussed this... . Quote Link to comment Share on other sites More sharing options...
windowtinter Posted May 18, 2011 Author Report Share Posted May 18, 2011 im no bandpass pro but have built a few smaller setups so I knew what to expect to an extent but i did lots of asking around and finally settled on this setup(80inches helped alot).but as for tuning i can say that the 48hz tuning on this box probably plays lower than a good 35hz ported box but also has very good upper range response, i can say i am impressed with the overall quality of the bass and the loudness. For those thinking bandpass dont go crazy and tune too low youll just be chopping the port down to get the output up. as was stated above tuning a 4th order is completly different than a standard ported box! Quote Link to comment Share on other sites More sharing options...
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