Build A Sub Sonic Filter

boister77
10+ year member

CarAudio.com Elite
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has anyone built a sub-sonic filter for an ampilifier? my current amplifer does not have a ssf which i now need. i finish building my ported box for my brahma and i want to use a ssf to protect the sub from sub sonic audio. i was planning on bying a new amp with a ssf built-in but i feel my current amp should be sufficient for the time being. anyways i would like to place the home made ssf between my crossover output and amp input, making it a line level ssf. in reality, i would be building a 28Hz "high pass" filter. i've seen a few on these "high pass" filters on partsexpress but i find that $50 is quite a lot. also, they only have a 20hz and 20hz pass.

 
what is your box tuned too??? If it is low enough you shouldn't need a ssf
Jon
my box is tunned rather low, 28Hz. i know that box tunned low usually does not need a ssf since most songs don't go below 28Hz. however, i like playing "bass" and test tracks and some tracks hit below 28Hz.

 
after browsing the web i ran into company, harrison labs, a product which i want to build.

sub bass blocker

however, it's a ssf @37Hz. anways, i posted the link so people can have an idea of want i want to build.

 
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boister77

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