Hm, Well then.

[The Camry]

So ive had my sub facing forward(towards front of car) and it sounds great. Not as loud but much cleaner.

Anyway. Ive had my T/A dialed in for awhile. Its nowhere near set to what the actual distances of my drivers are. Its simply set to what sounds right.

Decided to actually take a tape measure to see how far all my speakers are from my ears and wouldnt you know it. My 6.5 driver is exactly 51 inches from my head....and so is my subwoofer.

Well then. It makes me wonder, those people who glass in like an 8'' sub into their center console, if their sound is any different because their sub isnt what everything is delayed too. Its most likely their midbass driver.

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[trumpet 5,000+ posts]

Of course the sound is different, the physical placement of the subwoofer results in modes happening in different places. For sound quality we want less rattles, and in my vehicle I got a massive reduction in trunk rattles when I turned the enclosure to face forward and closed off the trunk from the cabin in all but a few small gaps.

Here is some wisdom I learned from Andy Wehmeyer regarding time alignment. The purpose of time alignment is to counteract differences in arrival times due to speakers placed at irregular distances from a listening position. Generally speaking, we use a tape measure to measure distance for everything else. Let's use a tape measure to set time alignment. If we play a song that should have perfectly centered vocals and it doesn't sound right then we fix that with EQ, not by fiddling with the time alignment. The left and right sides need to match precisely.

I think what your thought process may be heading toward is "How do people get the bass to sound like it's all up front?". You absolutely don't need to have a subwoofer up front to get bass to sound like it's coming from the dash. When people say they added a ton of delay and it "moved" the sub up to the dash it's because it changed the frequency response. The target response curve for up-front bass has a gentle slope coming down from 60 Hz and leveling off somewhere around 160-250 Hz.

 

[supra1987]

I can't imagine any sub in a center console up front sounding good.

 

[The Camry]

Of course the sound is different, the physical placement of the subwoofer results in modes happening in different places. For sound quality we want less rattles, and in my vehicle I got a massive reduction in trunk rattles when I turned the enclosure to face forward and closed off the trunk from the cabin in all but a few small gaps.
Here is some wisdom I learned from Andy Wehmeyer regarding time alignment. The purpose of time alignment is to counteract differences in arrival times due to speakers placed at irregular distances from a listening position. Generally speaking, we use a tape measure to measure distance for everything else. Let's use a tape measure to set time alignment. If we play a song that should have perfectly centered vocals and it doesn't sound right then we fix that with EQ, not by fiddling with the time alignment. The left and right sides need to match precisely.

I think what your thought process may be heading toward is "How do people get the bass to sound like it's all up front?". You absolutely don't need to have a subwoofer up front to get bass to sound like it's coming from the dash. When people say they added a ton of delay and it "moved" the sub up to the dash it's because it changed the frequency response. The target response curve for up-front bass has a gentle slope coming down from 60 Hz and leveling off somewhere around 160-250 Hz.

You happen to have any pic or graphs to show what kind of slope? Gentle is kinda vague

 

[trumpet 5,000+ posts]

You happen to have any pic or graphs to show what kind of slope? Gentle is kinda vague