alaskanzx5 Posted July 10, 2013 Author Report Share Posted July 10, 2013 your right 5.5 isnt much, thats why im going to up to a 2500.1bdcp. smaller box but more power. if i make the box any bigger then it would be better to just wall it. t1500bdcp 2 t2d4 15" 1 t600.4 1 t400.2 1 set p1 tweets singer alt, tons of wiring, smd vm-1, 80prs, back seat delete, still in the works, aiming for a 145-147 with the ability to play 25hz up to 50hz. Link to comment Share on other sites More sharing options...
Kyblack76 Posted July 10, 2013 Report Share Posted July 10, 2013 Less than 6 cubes Bruh ???? Man... I'd feel a lil squishy about that. Just me. I'd give one of those 5cf before disP. I hope your not bummed !?!? SMD SUPER SELLER The Burban Build Blazer Build sold Acura trunk build sold Link to comment Share on other sites More sharing options...
alaskanzx5 Posted July 10, 2013 Author Report Share Posted July 10, 2013 im not bummed. rockford suggest 2.75cuft with aero port anyways so im right at that marker. realy i would rather go with 6-7cuft net with a slot port around 100sq" of port. would have to fold the back seat down and put the box on top of it. would bump me way up in class. would be running with guys doing 150-155 and i know my 2 15s wont do that. im just shooting for a 146-147 with this setup. im sure i can do it. 142.4 with 1 on a t1500.1bdcp. if i gain a db from doubling cone area, another from double power, then 1 for getting my electrical keeping up then i can get to around 145-146. then its all about sound deadener and small changes to gain that extra db. stuff like seat positioning, visors, tuning. i can get where i want with what i have. when i decide to break 150 ill do it in an suv or astro van with 4-6 18" subs in a 4th order. t1500bdcp 2 t2d4 15" 1 t600.4 1 t400.2 1 set p1 tweets singer alt, tons of wiring, smd vm-1, 80prs, back seat delete, still in the works, aiming for a 145-147 with the ability to play 25hz up to 50hz. Link to comment Share on other sites More sharing options...
01B4000 Posted July 10, 2013 Report Share Posted July 10, 2013 im not bummed. rockford suggest 2.75cuft with aero port anyways so im right at that marker. realy i would rather go with 6-7cuft net with a slot port around 100sq" of port. would have to fold the back seat down and put the box on top of it. would bump me way up in class. would be running with guys doing 150-155 and i know my 2 15s wont do that. im just shooting for a 146-147 with this setup. im sure i can do it. 142.4 with 1 on a t1500.1bdcp. if i gain a db from doubling cone area, another from double power, then 1 for getting my electrical keeping up then i can get to around 145-146. then its all about sound deadener and small changes to gain that extra db. stuff like seat positioning, visors, tuning. i can get where i want with what i have. when i decide to break 150 ill do it in an suv or astro van with 4-6 18" subs in a 4th order. 2.75 doesn't seem much at all for a 15 lol 1 Kicker 10CVX124 12 inch woofer Oldschool 2 Channel 400 watt rms Kenwood Pionner DEH7500 Headunit Pair of Alpine Type R 6x8 on headunit power Termlab- 138.0 sealed 139.2 db w/ windows down Redneck build : http://www.stevemeadedesigns.com/board/topic/171829-redneck-stereo-in-mazda-b4000-repost/ NEXT SYSTEM- 2 Soundqubed SDC 2.5 15s" Cadence 2500.1 Amplifier (1200 watts) 4 6.5s Cadence fiberglassed in doors (Not sure which brand to go to) 4 1" tweeters in front pillars 2 6.5s Cadence in rear pillars 2 Cadence 800.4s Link to comment Share on other sites More sharing options...
alaskanzx5 Posted July 10, 2013 Author Report Share Posted July 10, 2013 they say 2.75 round port and 3.75 slot port. i would rather be closer to 3-3.5 per but im working with what area i have in order to stay in a lower class. running a 2500.1bdcp at 2ohm to them will pick up the slack of the small box. 2500 x 1 @ 2ohms gives me 1250 per sub but we all know the 2500.1bdcp with a good electrical will do closer to 3300 at 2ohms. roughly 1500-1700 per sub. should help. t1500bdcp 2 t2d4 15" 1 t600.4 1 t400.2 1 set p1 tweets singer alt, tons of wiring, smd vm-1, 80prs, back seat delete, still in the works, aiming for a 145-147 with the ability to play 25hz up to 50hz. Link to comment Share on other sites More sharing options...
01B4000 Posted July 10, 2013 Report Share Posted July 10, 2013 Well my rule is about 3-4ft^3 after displacement for most 15 inch woofers ported. They work the best in that range unless you own a AudioQue (Soundqubed) woofer 1 Kicker 10CVX124 12 inch woofer Oldschool 2 Channel 400 watt rms Kenwood Pionner DEH7500 Headunit Pair of Alpine Type R 6x8 on headunit power Termlab- 138.0 sealed 139.2 db w/ windows down Redneck build : http://www.stevemeadedesigns.com/board/topic/171829-redneck-stereo-in-mazda-b4000-repost/ NEXT SYSTEM- 2 Soundqubed SDC 2.5 15s" Cadence 2500.1 Amplifier (1200 watts) 4 6.5s Cadence fiberglassed in doors (Not sure which brand to go to) 4 1" tweeters in front pillars 2 6.5s Cadence in rear pillars 2 Cadence 800.4s Link to comment Share on other sites More sharing options...
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