AQ box size...DJ or ne1 else help plz

Snarl2004 Silver Member Username: Snarl2004 Audioque 12 SD2.5s, Earthquake P... Post Number: 729 Registered: Dec-06	Posted on Monday, March 26, 2007 - 23:52 GMT I have a SD2 12" sub getting 500watts ( i dont no the rms rating). It will be used as a home subwoofer and im tuning it to 40hz. How many cubic feet should my box be befor sub and vent displacment. also how many sq inches of port should i have. thanks.
Justin Ogle Gold Member Username: Oglejust Post Number: 1289 Registered: Aug-06	Posted on Tuesday, March 27, 2007 - 00:37 GMT 2.5-3
DJ Langford Bronze Member Username: Djl Post Number: 48 Registered: Sep-06	Posted on Tuesday, March 27, 2007 - 00:57 GMT Make the box 2.4 cubes internal volume before displacements with 32 sq" of port opening 16" long.
Snarl2004 Silver Member Username: Snarl2004 Audioque 12 SD2.5s, Earthquake P... Post Number: 734 Registered: Dec-06	Posted on Tuesday, March 27, 2007 - 01:10 GMT a wall of the box should be part of the port right?
DJ Langford Bronze Member Username: Djl Post Number: 49 Registered: Sep-06	Posted on Tuesday, March 27, 2007 - 03:25 GMT right
Trevor Eaton Gold Member Username: Tdeaton1021 Near Tampa, Florida USA Post Number: 4073 Registered: Sep-04	Posted on Tuesday, March 27, 2007 - 03:39 GMT 40 hz is WAY to high for home use. that would be fine in a car but i reccoment tuning 30 or below for in home use.
Trevor Eaton Gold Member Username: Tdeaton1021 Near Tampa, Florida USA Post Number: 4074 Registered: Sep-04	Posted on Tuesday, March 27, 2007 - 03:41 GMT 40 hz is WAY to high for home use. that would be fine in a car but i reccomend tuning 30 or below for in home use.
Snarl2004 Silver Member Username: Snarl2004 Audioque 12 SD2.5s, Earthquake P... Post Number: 735 Registered: Dec-06	Posted on Tuesday, March 27, 2007 - 12:25 GMT but dont AQ's like 40hz? i can tuned it to whatever sounds the best
DJ Langford Bronze Member Username: Djl Post Number: 50 Registered: Sep-06	Posted on Tuesday, March 27, 2007 - 14:34 GMT Tune it to around 35 Hz. If you tune any lower you will lose upper bass extension. Increase the port length to 20".

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