Johan Gustavsson Posted August 5, 2013 Report Share Posted August 5, 2013 (edited) Hello! Right now i have two lvl 3 15" d4s in my BMW E39 Touring, playing 147 dB @ 42hz legal score. The box matches DC recommendations. I got an 3.5K amp and have been offered an lvl 5 18" with carbon fiber upgrade with d1 coils. With this sub i will wire 0.5. Do you think i can reach close to 150dB with the 18" and get overall better music performance compared with the lvl 3 15? In the future i will maybe buy another 3.5K so i will wire them 1 ohm each. Edited August 5, 2013 by Johan Gustavsson Quote BMW E39 540i/6 Touring Bassrace competition car with Impact and DC Audio. Link to comment Share on other sites More sharing options...
DylanBunch Posted August 5, 2013 Report Share Posted August 5, 2013 I think that even though technically youll gain power by wiring to .5, the loss of cone area would balance or even make you lose dbs. Wiring at .5 would also give you more voltage drop unless you have over kill on your electrical so honestly, id stick with what you have.. Quote 2006 Ford Explorer 2 Team AA/Sundown 15s 6th order Ct Sounds 7k 4 PRV Mr500 8s Rockford p1000-2 Team Subsonic Lows Link to comment Share on other sites More sharing options...
Johan Gustavsson Posted August 5, 2013 Author Report Share Posted August 5, 2013 (edited) Yeah i know i will loose conearea, but maybe the 18" with it's better motor will be greater? I also have plans to upgrade my electrical even more when i begin to wire 0.5. Edited August 5, 2013 by Johan Gustavsson Quote BMW E39 540i/6 Touring Bassrace competition car with Impact and DC Audio. Link to comment Share on other sites More sharing options...
DylanBunch Posted August 5, 2013 Report Share Posted August 5, 2013 The level 5 is pretty badass and it gives you room to imprve in the future but right away I don't think itll be louder.... but only one way to find out Quote 2006 Ford Explorer 2 Team AA/Sundown 15s 6th order Ct Sounds 7k 4 PRV Mr500 8s Rockford p1000-2 Team Subsonic Lows Link to comment Share on other sites More sharing options...
Johan Gustavsson Posted August 5, 2013 Author Report Share Posted August 5, 2013 Yes that's correct.. I think i'm going to buy it and try. Quote BMW E39 540i/6 Touring Bassrace competition car with Impact and DC Audio. Link to comment Share on other sites More sharing options...
srool Posted August 5, 2013 Report Share Posted August 5, 2013 As said- I'd take the LV5 if you plan some power upgrades. The two lvl3's won't take 5K for example, but the lvl5 with carbon fiber cone- probabli will. Quote Link to comment Share on other sites More sharing options...
CJ18 Posted August 5, 2013 Report Share Posted August 5, 2013 I believe that the Level 5 18 would give you more potential than the pair of Level 3 15s. Quote Link to comment Share on other sites More sharing options...
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