Joe X Posted February 25, 2012 Report Share Posted February 25, 2012 PM mazdaspl and tell him I sent you to him and he will get you a box design done right. You want 3ft3 per sub net airspace and about 15in2 of port per 1ft3. Wrong 3.75 as listed by DC Audio. Quote Link to comment Share on other sites More sharing options...
LoudBimmer Posted February 25, 2012 Report Share Posted February 25, 2012 PM mazdaspl and tell him I sent you to him and he will get you a box design done right. You want 3ft3 per sub net airspace and about 15in2 of port per 1ft3. Wrong 3.75 as listed by DC Audio. I'm pretty sure CJ knows what he's suggesting Quote Link to comment Share on other sites More sharing options...
SnowDrifter Posted February 25, 2012 Report Share Posted February 25, 2012 PM mazdaspl and tell him I sent you to him and he will get you a box design done right. You want 3ft3 per sub net airspace and about 15in2 of port per 1ft3. Wrong 3.75 as listed by DC Audio. Wrong. 3.75 as listed by DC Audio on ~2500 watts as a general reccomendation. OP will be running 6k to EACH. Reccomended enclosure sizes based on a typical usage scenario do NOT apply in this post. Quote ~~~~~~~~SAY NO TO PHOTOBUCKET~~~~~~~~ Snow's DD-1 tracks here: https://www.stevemeadedesigns.com/board/topic/167433-snows-dd-1-tracks/ My take on OFC vs CCA: https://www.stevemeadedesigns.com/board/topic/110381-things-that-piss-you-off-in-the-car-audio-world/?do=findComment&comment=2461444 Link to comment Share on other sites More sharing options...
CJ18 Posted February 25, 2012 Report Share Posted February 25, 2012 PM mazdaspl and tell him I sent you to him and he will get you a box design done right. You want 3ft3 per sub net airspace and about 15in2 of port per 1ft3. Wrong 3.75 as listed by DC Audio. I believe that you missed the part that he is running 1 DC 12k amp bridged at .5 ohm to 2 Level 5s. He has the potential of haveing 4-5k per sub. Now I think that I might know a little bit about the entire line of DC subs and amps, and particularly this setup since I have been working with him to get this setup for over a year. I recommend 3ft3 net per sub becasue of the potential of the extra power. Now if you know more about these subs/amp and his setup than I do, please indulge me with your vast amout of knowledge. Quote Link to comment Share on other sites More sharing options...
ChevyBoy95 Posted February 25, 2012 Report Share Posted February 25, 2012 DC Audio's site says 3.75, but that doesnt mean that is law. Rusty usually suggests less volume than on the site. But with 12k, you want a small box. Quote Best Score to Date : 160.5 dB Outlaw (47Hz)[4 XM 15's & 2 Taramps Bass 12k's] BL : http://www.stevemeadedesigns.com/board/topic/147800-chevyboy95s-4-15s-7krms-wall-1533-db-on-half-power/YouTube: http://www.youtube.com/hitemwiththeflex/ Link to comment Share on other sites More sharing options...
ChevyBoy95 Posted February 25, 2012 Report Share Posted February 25, 2012 PM mazdaspl and tell him I sent you to him and he will get you a box design done right. You want 3ft3 per sub net airspace and about 15in2 of port per 1ft3. Wrong 3.75 as listed by DC Audio. Quote Best Score to Date : 160.5 dB Outlaw (47Hz)[4 XM 15's & 2 Taramps Bass 12k's] BL : http://www.stevemeadedesigns.com/board/topic/147800-chevyboy95s-4-15s-7krms-wall-1533-db-on-half-power/YouTube: http://www.youtube.com/hitemwiththeflex/ Link to comment Share on other sites More sharing options...
Joe X Posted February 25, 2012 Report Share Posted February 25, 2012 (edited) PM mazdaspl and tell him I sent you to him and he will get you a box design done right. You want 3ft3 per sub net airspace and about 15in2 of port per 1ft3. Wrong 3.75 as listed by DC Audio. I believe that you missed the part that he is running 1 DC 12k amp bridged at .5 ohm to 2 Level 5s. He has the potential of haveing 4-5k per sub. Now I think that I might know a little bit about the entire line of DC subs and amps, and particularly this setup since I have been working with him to get this setup for over a year. I recommend 3ft3 net per sub becasue of the potential of the extra power. Now if you know more about these subs/amp and his setup than I do, please indulge me with your vast amout of knowledge. Yes you are right I did miss the amp infos..the 3.75 applies for around rated power. Unhappily I couldn't find any T/S parameters for this sub so no way to take a look at an excursion plot for hints.. how do you know 3 cubic feet is just the number? Edited February 25, 2012 by Joe X Quote Link to comment Share on other sites More sharing options...
CJ18 Posted February 25, 2012 Report Share Posted February 25, 2012 Personal experience. I don't give advice on something like this unless I have done it myself. There is not a sub in the dc m1 that I have not used. I have used the m2 xl and m2 level 3s also. Quote Link to comment Share on other sites More sharing options...
CJ18 Posted February 25, 2012 Report Share Posted February 25, 2012 This doesn't always apply to every situation, but just a general rule of thumb. Giving subs over rms power, drop .25 -1ft3 (depending on the size of the sub and amout of power over rated) from the recommend airspace. Quote Link to comment Share on other sites More sharing options...
ChevyBoy95 Posted February 25, 2012 Report Share Posted February 25, 2012 Joe, plotting on a computer isn't the end all be all method to do enclosures, sometimes testing is more effective, and that's what you have to do with the level 5's since there are no T/S params to even slightly plot a general response curve and it would be pointless anyway due to cabin shape and other factors. Quote Best Score to Date : 160.5 dB Outlaw (47Hz)[4 XM 15's & 2 Taramps Bass 12k's] BL : http://www.stevemeadedesigns.com/board/topic/147800-chevyboy95s-4-15s-7krms-wall-1533-db-on-half-power/YouTube: http://www.youtube.com/hitemwiththeflex/ Link to comment Share on other sites More sharing options...
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