Do you have any pics by chance?
Subwoofer orientation for best SQL behind Tahoe third row
- Thread starter pjtoy2
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Do you have any pics by chance?
MrBalll
Full Access Member
This.
SQ isnt about being really loud to begin with(just loud enough to be flat), thats SPL. Its going to matter partly on the resonant frequencies of the vehicle... Having the subs up tends to introduce more unwanted noise and doesnt have time to develop to get down into some of the lower frequencies. SPL boxes are usually tuned right at the highest peak so as to acheive the greatest pressure. Usually in the 50's somewhere, sometimes a bit lower. SQ needs to have a sub(s)/box that can be loud thoughout a much greater frequency range.
I always prefered to use subs designed or happy in sealed boxes for SQ, in cars 10's and suv's 12's with some 8" midbass thrown in to cover the gap the 12's leave.
I always prefered to use subs designed or happy in sealed boxes for SQ, in cars 10's and suv's 12's with some 8" midbass thrown in to cover the gap the 12's leave.
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I like ported because I do like deeper bass and like my music loud and clear (hence SQL). I went with 1.5 cu ft (after displacement) tuned at 36hz with the subs and the port facing the rear. Will be built today, now I just need to mount my amps and battery somewhere!
I also have an SA-8 that will be going in my center console hopefully for the midbass
I also have an SA-8 that will be going in my center console hopefully for the midbass
a ported box is a 2 tone box essentially, an upper and a lower resonance frequency... a sealed box usually allows for a greater response at the lower frequencies becuase its flat all the way to dropoff vs. a ported box which will drop off sharply after the tuned frequency "bump" greatly reducing the power of the bottom end frequencies which fall below the tuned frequency.
Just to say, I have been installing stereos and alarms professionally since i was 17, now 43. Built many many comp systems back in the day, even worked for Crossfire Car Audio for awhile... I have been around the block a time or two.
All I am saying is that for SQ the idea is get as flat a response on the spectrum as possible so that every sound is being reproduced evenly. And overly heavy bass hides the ribkick that midbass provides which you cant get with a ported 12", Period. Even though we all have our prefered listening setups, a spectrum analyser doesnt lie when holes in your frequency response are there regardless of what your ears/butt feels.
Just to say, I have been installing stereos and alarms professionally since i was 17, now 43. Built many many comp systems back in the day, even worked for Crossfire Car Audio for awhile... I have been around the block a time or two.
All I am saying is that for SQ the idea is get as flat a response on the spectrum as possible so that every sound is being reproduced evenly. And overly heavy bass hides the ribkick that midbass provides which you cant get with a ported 12", Period. Even though we all have our prefered listening setups, a spectrum analyser doesnt lie when holes in your frequency response are there regardless of what your ears/butt feels.
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I deffinitely agree with everything you said, I'm not just going for an SQ build though which is why I went with a ported enclosure. I wanted it loud but still wanted to maintain some sound quality which is why I went with the tune at 36hz... If I wanted pure noise I would've tuned it at 60hz lol.
My next set-up will probably be 2 SoundSplinter RL-P 12s in a sealed box though
My next set-up will probably be 2 SoundSplinter RL-P 12s in a sealed box though
abladeafficionado
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Ported can sound just as good as sealed. There have been IASCA champions with ported boxes just as there have been with sealed.
The biggest difference between sealed and ported is the rolloff. A good ported enclosure will play its tuning frequency ± 1 octave pretty well. Sealed will extend past ± 1 octave, and have a smoother roll off. As long as you have the front stage to take care of midbass, a ported enclosure will kill the lows and be louder than sealed. But if you don't have the front stage to play midbass, and cross the sub over higher than its designed to play, a ported enclosure will sound worse than a sealed.
Port those SA-12s at 32 Hz at about 2ft^3 before displacement, and it'll sound a lot better than you might expect. Don't fall for the "sealed is SQ" BS, a proper ported enclosure will sound just as good. Prefab ported boxes sound like trash because they're ported at 40Hz. If you listen to a good ported box, I'm sure you'd be surprised at how good ported can sound when done properly.
blueflamed03
Supporting Member
Sealed will have a betete tone and offer a better alignment overall. Ported boxes will be louder, and more prone to being 'peaky'.
Nobody 'really' wants SQ, as its boring anyway.
Nobody 'really' wants SQ, as its boring anyway.
Oh so true... if people would be more honest and say "I want as bad ass bass as i can get that doesnt make my mids and highs sound like crap" and then my job thoughout the years would have been made alot easier for sure.
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