![]() When I get the new box mounted which has to be soon sold my backup set I will play a 20hz tone for you guys, it is a trip sooo quite but yet sooo loud just pure pressure baby.Polo. My amps are adjustable from 10-80hz for the SS and the rolloff from 6-24db/octave so I can butt it right up to the limiting factor of the lower frequencies and use a steep as heck slope to stop it any further that is why it is set to 25 hz and not 20hz, for the slopage, lol. Set it to around 30hz if yours isn't all that adjustable. One thing you have to factor is that the tuning of the box has a pretty steep rolloff so using the slope of the SS filter really isn't necessary. A good rule of thumb for a home stereo subwoofer low pass filter (LPF) setting is 70 to 80Hz. I want to use the infrasonic filter on my HU. The HPF always has a higher cutoff rate because they are the most unwanted frequencies and damaging. So I have a pioneer avh 1440-nex, a sundown sa-12, Rockford r1200.1 at 1 ohm. ![]() ![]() No need for a new amp if the one you have matches the power and impedance requirements of the new sub. if you listen to decaf, rap, hip-hop) I would get the FMODs. You are right using the HPF it does have a rolloff but some are targeted at between 12-18db/octave some may be a little steeper. What is it A subsonic filter is mostly used for piezo elements. You might want to consider the 20Hz HP filter so you dont lose too much bottom end - depending on your music prefs (i.e. I like it all even a little country like Garth Brooks, Feddy Fender, and of course my favorite Shania Twain, must have videos, lol. Posted on Thursday, J00:31 GMTUmmm Brad I am a die hard "music" lover I listen to anything from Madonna and no I am no to Chicago, Young Jeeze, all the new stuff, Bad Boy Bill, Old rock, new rock Metallica, which most of there drum beats roll off around 32hz to Motown oldies like AL Green and Smoky Robinson. ![]()
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