brsteinbach Posted March 3, 2009 Author Report Posted March 3, 2009 did i miss what woofers are going in it? depends on alot of factors, amp subs, vehicle, location. low lows play well from ported boxes with 10-12 sq inches of port face per cube. with a 6 inch port from top to bottom you will have somewhere in the area of 25-28 depneding on material thickness. that is alot but should get nasty low The subs are infinity reference 1252w 12"s Amp is a Profile ap1200w. Car is a 1997 Pontiac Grand am. Subs back, port back Obviously haha. Quote 2 Infinity Reference 1252w 12s 4.2 cubic foot box tuned to 28hz Sub amp: 1 Profile AP1200 Speaker amp: 1 Sony Xplod XM-504z Kenwood eXcelon KDC-X492 4 and 8 Gauge Knu Big III In 1/0 All in my 90 Accord Diamonds are forever, but 9's end that shit fast....
AI James Posted March 3, 2009 Report Posted March 3, 2009 Make the middle 6" and you'll be aight. your wrong he cant make the port 6 if hes calculated the port area already or the subs will just unload to way to much port area. Quote
AI James Posted March 3, 2009 Report Posted March 3, 2009 lets just say that ports 14" tall with footsams 6 wide thats 84" pf port area and 28" per cube = way to much port area Quote
brsteinbach Posted March 3, 2009 Author Report Posted March 3, 2009 (edited) lets just say that ports 14" tall with footsams 6 wide thats 84" pf port area and 28" per cube = way to much port area Thats what i thought. The box is 14" tall so the port will be 12.5" tall. Would it be easier if i just did a slot port from the side like the re calculator. Edit 4 wrong image. Edited March 3, 2009 by brsteinbach Quote 2 Infinity Reference 1252w 12s 4.2 cubic foot box tuned to 28hz Sub amp: 1 Profile AP1200 Speaker amp: 1 Sony Xplod XM-504z Kenwood eXcelon KDC-X492 4 and 8 Gauge Knu Big III In 1/0 All in my 90 Accord Diamonds are forever, but 9's end that shit fast....
AI James Posted March 3, 2009 Report Posted March 3, 2009 nah not really easier the design where you halfed it to 1.5 per side is fine. Quote
brsteinbach Posted March 3, 2009 Author Report Posted March 3, 2009 Ok thank you James for the help. Quote 2 Infinity Reference 1252w 12s 4.2 cubic foot box tuned to 28hz Sub amp: 1 Profile AP1200 Speaker amp: 1 Sony Xplod XM-504z Kenwood eXcelon KDC-X492 4 and 8 Gauge Knu Big III In 1/0 All in my 90 Accord Diamonds are forever, but 9's end that shit fast....
AI James Posted March 3, 2009 Report Posted March 3, 2009 no problem pm me if you need anymore help Quote
brsteinbach Posted March 3, 2009 Author Report Posted March 3, 2009 So this might explain why my subs dont hit low right now. P.S. this is my current box and its suppose to be 30hz. its 6" wide and 4" tall 9" long and 6" long on each side. Front: Side: Quote 2 Infinity Reference 1252w 12s 4.2 cubic foot box tuned to 28hz Sub amp: 1 Profile AP1200 Speaker amp: 1 Sony Xplod XM-504z Kenwood eXcelon KDC-X492 4 and 8 Gauge Knu Big III In 1/0 All in my 90 Accord Diamonds are forever, but 9's end that shit fast....
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