zagfuchs Posted October 27, 2013 Report Posted October 27, 2013 I am building an enclosure for my Fi BL 15 and I wanted to have someone else help me make sure my design is going to turn out the way I want it to. I have only built sealed boxes before, so I want to make sure my first attempt at ported goes as well as possible. This is going in the trunk of an 03 Altima, I was planning on putting the speaker and port facing the rear of the car and keeping the center armrest in the backseats down. I have included a picture of my idea and the specs. I am very excited about this peoject, so please let me know what you think so I can get this build underway.
Joe X Posted October 27, 2013 Report Posted October 27, 2013 It's 3.7 cubes net @ 33.7Hz 49.5 square inches of port. Port specs are 3" wide 24.5" center line length and assuming you are not doing a single baffle, also if building outside watch out for it not fitting int it's way in.
zagfuchs Posted October 27, 2013 Author Report Posted October 27, 2013 Is this going to work OK for my setup? How much of a difference will it make if I face the subs and port upwards?
zagfuchs Posted October 28, 2013 Author Report Posted October 28, 2013 Will 34.8 hz be OK? I am running a daily setup.
bbeljefe Posted October 28, 2013 Report Posted October 28, 2013 The tuning should be fine for a daily but you don't want to face port and sub up in a trunk car. Sub and port facing the back of the car... closer to the back than the front of the trunk usually yields the best results. Facebook: facebook.com/audioanarchyllc Instagram: audioanarchyllc Youtube: youtube.com/bbeljefe
Joe X Posted October 28, 2013 Report Posted October 28, 2013 I had to edit my post above as my estimate was a little off, I would give around 2K to that sub and expect good daily performance from it. If giving little power you may be better off doing a larger box to increase efficiency. Trunk car boxes are better sub(s)/port frontwards or backwards, when aiming up you choke the port and rattle your trunk lid.
zagfuchs Posted October 28, 2013 Author Report Posted October 28, 2013 Awesome, thanks for the advice. I will be running it on a Sundown 1500.
zagfuchs Posted October 28, 2013 Author Report Posted October 28, 2013 Does that qualify as needing a bigger box? Is the Sundown 1500 going to be enough power for the BL?
LoudBimmer Posted October 28, 2013 Report Posted October 28, 2013 just make sure it fit's in the trunk
zagfuchs Posted October 29, 2013 Author Report Posted October 29, 2013 I know right, that would be a disaster, but that's why I'm here. I will be doing a mock up of my trunk in Google Sketch, just to get an idea of how close it will be since I know my specs are good now.
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