how to improve deep bass of sub

Hi, I am using active subwoofer. I would like the improve the the deep base. Is there any ways to do it? Any comment is appreciated. Thanks.

for a sealed enclosure give it more airspace or for a ported enclosure tune it in the low thirties to hit some low notes, but first i should ask how low is low for you? in terms of chopped and screwed music? or average rap and hip hop bass?

What sub do you have and how is it installed?

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i am using the Blaupunkt with 6 inches diameter woofer. It has lowest of 60Hz, i think. Is it low frequency is better for deep bass? Appreciate if you could teach me something. Thanks.

To efectively create deep bass, you have to move air. To move air, you have to have either a: surface area, or b: excursion. Your amplified sub has neither, sadly. VERY precious few 6" woofers do that very effectively. Since you do not have surface area (it *is* only a 6" woofer, after all) you must have excursion. That woofer won't have it. Your system cost... What...? $120.00? The last 6" woofer *I* saw that WOULD go deep, was better than $150.00, at COST! They put an enclosure, an amplifier, a woofer, and "research" into that thing for $120.00 (or even less) RETAIL!!!

I am in no WAY saying that it can't be done, I am just saying that your existing "sub" can't. What you have is a "detatched woofer"... to describe this device as a "sub" will be optomistic, at best.

To me, "subbass" is anything from 20Hz to 45 or 50 Hz. Anything above that will be bass, and will have discernable stereo information.

I hate to have to tell you this, but there is no way for your woofer system to go any deeper in it's response capabilities. You might be able to get a LITTLE more, but you will run out of excursion VERY quickly. It really depends on how hard you drive it right now. To reproduce 60Hz @ X dB will require X excursion. To reproduce 30Hz @ the same X dB will require FOUR TIMES THE EXCURSION OR FOUR TIMES THE POWER! You can see, if you interpolate the numbers, that you will run out of something very quickly! If you drive it close to the limits already, you are effectively done. Put a fork in it.

Your surface area is fixed. Your excursion is fixed. Your power is fixed. You can go no further with that system. All this ON TOP OF the fact that the enclosure is tuned for THAT frequency response! It will unload and flap HORRIBLY if you try to make it go lower. You also can't do *that* anyway, as the amplifier has a high-pass filter built in, and it protects the woofer from over-excursion.

Time to upgrade! No surface area. No excursion capabilities. No power to tap into. Tuning of the fixed enclosure FAR too high to be effective. Fixed high-pass filter of relatively useless frequency...

You can't do any more with that pre-built woofer system than it is already doing.

I hope this has helped you in understanding a little but about what goes into building a subwoofer system.

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It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."

Agreed.  You very likely simply cannot get what you want from that woofer.

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what haemphyst hav said is quite right and is very complex and you should have a serious attitude in your mind.

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