And lol my ass off at the guy talking about tuning to 22-25hz. Tell me how long that port is going to be bud.....
Kevin
Hey, if you aren;t tuning to 22-25 hz then any ported box isn't truly SQ. Yeah, its a HUGE box and yep it is a HUGE (or very LONG) port. That is the price you pay for wanting to play with porting in an SQ application. You should not be playing belowthe tuning freq, and you should have a 12db or better HP 'infrasonic' filter at the box's tuning freq.
I lol at both of you bashing on each other and me, when in fact we agree on so much.AV8er, I think we agree on everything but tuning freq, for SQ 30 jsut doesn;t cut it,
IN MY OPINION, not when there is another 1/2 octave below that and even music that extends a FULL octave below it or more.
on a more serious and hopefully helpful note...
Blue: you are thinking of the S12c and the S12d old school round woofers... and yes those were GOOD sounding subs (especially for the time), and were sealed only. 4 of those in 1.2 cubes each was a KILLER OG setup back in the early 90s.
The L7zs couldn't win an Sq award even if the judges were legally deaf. They "GET LOUD" and that is what Kicker is about today. Period. NO personal problem with it, I 'got loud' for years too when I was a teenager or in my early 20s and it was novel to do so. I also sold L7s and L5... trust me or don't, the 'small' enclosure sizes are there for propaganda, aka ADVERTISING.
Yes they work, but not well. It isn't just Kicker though, JL, PG, ALpine, Eclipse, And Critical Mass are just a few of those where the "manual's" box size is completely different than what any box building/calculating program, as well as the manufacturer's own reps and competitors will tell you to use for best results...
Why would they do that? PEOPLE SHOP BY ENCLOSURE SIZE. If it will WORK (even if not correct) they can print a spec 1/2 or 1/3 the needed size. People will buy twice as many woofers for the same space, or fit woofers where they honestly shouldn't, but everyone is happy. (until they hear what it would sound like inthe correct enclosure).
As I recall, the small PORTED spec was and IS about the correct SEALED spec for the L7 and L5 and my experience recently bears that out.
Subs should not "HAMMER". Period.
A sub that "hammers" is a sub that is distorting.
A dsub should play a bass note so cleanly you can;t evne tell the sub is there. ANything below 50-60hz should be OMNIPRESENT, not localized to the sub.
Y
es, L series are known to 'Hammer" in ported enclosures, they also have so much cone cry that you can not hear the mechanical noises that would normally warn you the sub is being pushed past its mechanical limits... especially in a car. That was my point and an L7 typically sounds just like it is about to blow up in a typical kicker spec ported enclosure to begin with.
No offense man, but people who say silly thing s like
"all subs are for 'loudness', why they are called subwoofers"
( A: they play frequencies below Woofers)
or "Enclosure size has nothing to do with cone shape." in reference to someone trying to explain why a 12" square possibly needs a larger box than a 12" round.
(a 12" square has nearly the displacement of a 15" round, so assuming everything else is the same the enclosure would be closer to a 15" than a 12")
ANy sorry OP for dragging this so far off topic.
1: put a meter on those things and check that the gains are not up too high.
2: Be VERY judicial in using things like "media expander" bass boost, increasing the bass level on the EQ, or turnign the remote bass knob up.
it is very easy to hit the mechanical limits, or to cause the amp to clip.
+3 db of bass EQ requires 2x the power. 6 db of bass boost requires 4x the power. When you amp attempts to do that at high volume, it just ain't gonna have the balls, and the sub isn;t going to move 4x as far either.
Be careful and you will have many years of enjoyment, don't and they'll be toast in 24 hours.
Good luck, I hope it is everything you dreamed it would be and thank you for your service.
