Reply to thread

Message: <blockquote data-quote="thevic24" data-source="post: 4368215" data-attributes="member: 575973">the sub sonic filter is not needed with a sealed box. they are for ported to protect the driver when it is played below the tuning fq. the phase shift is for changing the phase of the sub in relation to the other drivers-kinda like reversing the wires on the sub. the low pass will be based on the lower limit of your mids(mid bass)cutoff.in general from 60 to 100 hz or so. or better yet, to your liking. for your input level, take your final ohms x rms of the amp and take that number and find the sq route, that final number will be the output voltage to set your amp--this is just a guide line and your ear will have the final say!good luck-vic</blockquote>

Top