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higher or lower frequency for spl?

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Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
Printed Date: November 26, 2022 at 2:46 AM

Topic: higher or lower frequency for spl?

Posted By: chris03excursio
Subject: higher or lower frequency for spl?
Date Posted: April 05, 2008 at 7:45 PM

Which is better for higher SPL numbers, higher or lower hertz (25 or 45) hearing mixed opinions about this


Posted By: i am an idiot
Date Posted: April 05, 2008 at 8:12 PM
It is harder to achieve higher numbers at lower frequencies.  45 will be the easier option.

Posted By: willdkartunes
Date Posted: April 05, 2008 at 10:40 PM

There are many other factors that play into this equation. Every driver, enclosure, vehicle, setup, etc is different. I've heard some setups that peak out as high as 85hz.

A little more info would definitely be helpful...

Do whatever makes you happy in life without diminishing the happiness of others

Posted By: chris03excursio
Date Posted: April 05, 2008 at 11:36 PM
Its a 03 exscursion, behind the 3rd row, currently running about 6 cubes per sub, they are for now the power acustik fubars and running a 2500 mono D to them at 1 ohm, currently hitting 141.7 with the square ports that are 18 inches wide 3 inches tall and run 35 inches into the box (down the depth of the box, turn and stop n the middle of the sub). the box is about 40 wide 28 deep and 25 tall, split down the center  and the ports are on the face, i want to try and get around a 144-148 range, i know it can be done with these sub/amp setup, i just need to tune it right

Posted By: sedate
Date Posted: April 06, 2008 at 7:16 PM

Get WinISD, plug in ur woofers - and figure out what frequency to tune ur box at to produce the most peaky response curve you can muster.

It'll sound horrible playing any sort of music, but with a test tone at the frequency you tuned for, it'll knock ur teeth out. 

"I'm finished!" - Daniel Plainview

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