Do the vents in subwoofers needed?

Question:
im pretty new to this car audio stuff and i was just woundering if the vents in subwoofers made a difference

Answers:

What does 75W/150 RMS/peak handling mean in speakers?

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What is the best brand for 5.25" front speakers and 6 x 9 rear speakers?

Probably needed for cooling. Close them and it'll burn up.
Could also be for sound backwave.
If they are on there, it's for a purpose.

What will work better?

Yes, the vents in the subwoofer allow the air to be pushed out of the woofer, that allows you to hav a heavy bass and prevents the subwoofer from breaking.

Montero sport radio issues?

yes, they serve to purposes. First, they are shaped to deliver the bass low to floor surface and second they protect the speakers from tearing due to vibration by giving the pressure induced by the low frequency an outlet. It has nothing to do with cooling. Speakers don't heat up.

Can a DVC sub use both channels of a 2 channel amp?

Yes! Subwoofer cones "travel" much further than the cones in other speakers. This causes quite a bit of air movement within the cabinet. If you will just hold your hand over the vent while it is playing, you will soon see the truth in this.

How can i stop "humming" from the subs?

If you close off the vents, you will likely cause the cones to "flutter" and thusly not get a good clean thump from them.

Ipod in car?

Most of the other people have no idea what they are talking about. Don't listen to them (except for sparky).

I have three 10 inch Kicker Comps, What amp should I buy?

Some subs are design to be used in a vented enclosure, some are not, some can be in either. It is all dictated by the Theile/Small Parameters and your needs. You can't just add a vent ot an enclosure, nor can you just cover them up. Each design will be different. Sub may be good in a sealed enclosure of 1 cubic foot, but same sub may need 3.0 cubic feet for a vented enclosure. It all varies greatly. The manufacture of the sub should always give recommendations on what type/size of enclosure their sub should be placed in. The size of the vent is also calculated by using the T/S Parameters.

Question About Tweeter Gain On Crossover for Componet System?

A vented enclosue will typically be louder, but in the higher regions of the bass frequencies. It will also not have very good extension on the lower end (sub-bass). Best example;

How to make a fibreglass sound system (boot build)?

Sealed-"Thump"
Vented-"Boom"

Im thinking of getting an Alumapro 10" Subwoofer, and a directed 1200watt amp with bass control what do you

yes DEFENATLY if you block them your speakers will break.

How can i remove the radio from a 1996pontiac mini van?

sub's create noise by moving air. when the speaker moves in and out it sucks air in and out.

How do I remove crossovers, car speakers?

if you turn one up loud put your hand near the vent and feel it push your hand.

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