Posted February 15, 201213 yr I know port tuning makes a difference. And I know what the differences are, but would there be an audible/easily noticeble difference between 30hz and 34hz tuning? For the larger amount of port area I want for my smaller box, I would have to tune around 34hz, instead of the 30hz I wanted to tune at.
February 15, 201213 yr Tuning the enclosure is only an "open room" tune. It will be completely different once inside your vehicle.Depending on the application a 34hz tuning will be just fine for daily and could get low as well. But again that is dependent on the the application and products used.
February 15, 201213 yr Author It would be a 98 bravada (s10 blazer), 15" AA Havoc, and a MB Quart Discus 1.5k
February 15, 201213 yr 4 door? If so you should have enough room to go a little large on the enclosure and tune lower which is what I would suggest in your situation. The acoustical gain/loss you get in the truck is very different in the blazer then almost any other SUV.
February 17, 201213 yr Author so playing around with my box tuning calculator and this is what I got? any inputs?Gross Volume = 6.26ft^3Port Volume = 1.75ft^3Physical Port Length = 33.25inPort Bends = YESBaffle Displacement = .3ft^3Port Area = 63in^2Port Area per Foot = 15.94in^2Net Volume = 3.95ft^3Tuning Frequency = 30.37hz
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