Aj11 Posted January 4, 2014 Report Share Posted January 4, 2014 ok I'm in the middle of building my first box, it's a Lil bit over 5 cubic feet gross. so heres my dilemma, i have 3 alpine type rs i was gonna sell one but idk. should i run 2 subs at 2.5 cubic feet or 3 subs at 1.6 each. the port cu ft is just over .3 cubic feet tuned at 30hz. I'm thinking of just drilling the hole for the third and if i don't like it throw another baffle over it or behind it and make a logo or something jvc deck stinger 1800 front hc 2000 kinetic rear 2 runs of 1/0g big 3/4 ct 60.4 2 ct 1400.1 ct EXO 15 d1 lots of deadner type r comps front stage 6 kicker tweets rear stage lots of great stuff coming soon ho alt more bats ct comps for front stage more deadner sweet amp rack lots of L.E.D lights new deck (thinking 80 prs, or flip out) Link to comment Share on other sites More sharing options...
ROLEXrifleman Posted January 4, 2014 Report Share Posted January 4, 2014 Is this one of those pre fab 3 banger boxes? I would run 2 with more cubes than 3 choked out Rolex you sicken me. Just let me finish my pie ~ Juice Link to comment Share on other sites More sharing options...
Karkov Posted January 4, 2014 Report Share Posted January 4, 2014 You should decide if you are gonna run 2 or 3 before building a box. Building the proper box will make or break your set up. Also, depending how you plan on wiring the subs for an ohm load to the amp you have is a HUGE factor as well. Also, most* people only ever concern themselves with net volume of boxes not gross (after all displacements) I am not sure what Alpine recommends for those subs for box size... 2007 Chevy Tahoe (SOLD) 12 ~ FI Audio X series 10" w/BP option 2 ~ DC Audio 5.0K @0.67 3 ~ DC Audio 5.0K @1.0 2 ~ PPI 3 way sets (not installed yet) 1 ~ RF T400-4, 1 ~ RF T600-2, 1 ~ RF T600-4 4 ~ CT Sounds 5.25" Strato comps (rear fill only) 1 ~ XS Power D4800 1 ~ XS Power D3400 8 ~ XS Power XP3000 160 stock alt, Mechman 370 Elite, 185 DC Power 320+ Sq. Ft. Sound Deadener Pioneer AVH-X5500BHS Youtube: https://www.youtube.com/user/knfjdkghjudfhsgkjdhf/videos?sort=dd&view=0&shelf_id=0 Link to comment Share on other sites More sharing options...
Aj11 Posted January 4, 2014 Author Report Share Posted January 4, 2014 i always run magnet out always have always will. i built it for 2 subs im just bored and asking questions. so it would be 4.813 cubic feet net, And alpine says 1.3-1.9 for ported. no pre fab here! like i said bored can't fall asleep... starring at my gear jvc deck stinger 1800 front hc 2000 kinetic rear 2 runs of 1/0g big 3/4 ct 60.4 2 ct 1400.1 ct EXO 15 d1 lots of deadner type r comps front stage 6 kicker tweets rear stage lots of great stuff coming soon ho alt more bats ct comps for front stage more deadner sweet amp rack lots of L.E.D lights new deck (thinking 80 prs, or flip out) Link to comment Share on other sites More sharing options...
Karkov Posted January 4, 2014 Report Share Posted January 4, 2014 i always run magnet out always have always will. i built it for 2 subs im just bored and asking questions. so it would be 4.813 cubic feet net, And alpine says 1.3-1.9 for ported. Gotcha. All good. If you built if for 2 then go with 2.... But don't say you will never go with subs in the box mounted. 2007 Chevy Tahoe (SOLD) 12 ~ FI Audio X series 10" w/BP option 2 ~ DC Audio 5.0K @0.67 3 ~ DC Audio 5.0K @1.0 2 ~ PPI 3 way sets (not installed yet) 1 ~ RF T400-4, 1 ~ RF T600-2, 1 ~ RF T600-4 4 ~ CT Sounds 5.25" Strato comps (rear fill only) 1 ~ XS Power D4800 1 ~ XS Power D3400 8 ~ XS Power XP3000 160 stock alt, Mechman 370 Elite, 185 DC Power 320+ Sq. Ft. Sound Deadener Pioneer AVH-X5500BHS Youtube: https://www.youtube.com/user/knfjdkghjudfhsgkjdhf/videos?sort=dd&view=0&shelf_id=0 Link to comment Share on other sites More sharing options...
ROLEXrifleman Posted January 4, 2014 Report Share Posted January 4, 2014 stay with 2 The output you'll loose by going smaller in cubes I don't think will be made up with the 3rd driver If anything build a box a little bigger with more port and put those two type r's to work Rolex you sicken me. Just let me finish my pie ~ Juice Link to comment Share on other sites More sharing options...
Joe X Posted January 4, 2014 Report Share Posted January 4, 2014 If the Rs are 5th generation 1.6 net would be more than enough, if 4th or below 2 cubes net per sub is nice, that unless they are running really above rated power. Link to comment Share on other sites More sharing options...
Aj11 Posted January 4, 2014 Author Report Share Posted January 4, 2014 there the newest ones, so 5th gen. i had one in a 2.5 net 3 gross and i loved it! when i bought the second sub i got a 1.9 (each sub) of air space And i didn't care for the sound. wasnt deep or hit low enough. that's why I'm going big. they'll be running on a ct 1400.1 jvc deck stinger 1800 front hc 2000 kinetic rear 2 runs of 1/0g big 3/4 ct 60.4 2 ct 1400.1 ct EXO 15 d1 lots of deadner type r comps front stage 6 kicker tweets rear stage lots of great stuff coming soon ho alt more bats ct comps for front stage more deadner sweet amp rack lots of L.E.D lights new deck (thinking 80 prs, or flip out) Link to comment Share on other sites More sharing options...
jarrius Posted January 4, 2014 Report Share Posted January 4, 2014 How low it plays and all that depends on the box tuning and air space. So you had them in a 1.9 box but what did you tune the port to? 2012 Chevy sonic1xSQ HDC3 12 D2RF R1200d 140 square foot of Q-Mat(soon to be installed) 140.2Db sealed on the dash with TL 142 DB sealed on the dash with another meter (was dead on with the TL at a show i was at) 141 on music. strangeduck,on 02 Jan 2014 - 01:39 AM, said: when my car spins out i just put the car in neutral, turn in the direction i want to go and pucker my asshole Link to comment Share on other sites More sharing options...
Aj11 Posted January 5, 2014 Author Report Share Posted January 5, 2014 it's weird because the 2.5 cubic foot box was tuned to 42hz and the 1.9 was 38hz! they were both pre fab boxes. the 2.5 box hit so much deeper, you know that song hypnotize by young Jeezy? it's got some pretty good lows in it and it was my favorite non "bass" song to demo with, but when i got the dual box (1.9) it Just didn't sound as good. it was like i was missing part of the beat! anyway i finished my box today but for some reason i can't open my hatch! i dont know if it's frozen or if i Jammed something in there but I'll have to play with it tmrw. I'm just pissed been waiting for my Amp to get here for 2weeks then spent a total of 16+ hours building my box And the dumbest thing Is stopping me from enjoying all my work! I'm so nervous about my box, i just want it to sound good! jvc deck stinger 1800 front hc 2000 kinetic rear 2 runs of 1/0g big 3/4 ct 60.4 2 ct 1400.1 ct EXO 15 d1 lots of deadner type r comps front stage 6 kicker tweets rear stage lots of great stuff coming soon ho alt more bats ct comps for front stage more deadner sweet amp rack lots of L.E.D lights new deck (thinking 80 prs, or flip out) Link to comment Share on other sites More sharing options...
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