I got the Z-5500 sub and there's a hole on the side. What do you call this hole? The driver?

No offense, but after 76 posts I would assume that person knows that it's a port.

No offense, but after 76 posts I would assume that person knows that it's a port.

Yes, but what does the port do though?

Tunes the enclosure to a specific frequency dependent on the volume of air inside it as well as the volume of air in the enclosure.

Helps it go boom would also have been accepted.

Helps it go boom would also have been accepted.

I'm literally laughing my ass off on that one... my ass just came off.

Your sub has been directly hit with a large caliber firearm. Demand a refund.

I got the Z-5500 sub and there's a hole on the side. You have it sitting wrong. The hole should be on your, I mean its, bottom.

What do you call this hole?I would call it a hole, though you could also call it a:
gap
opening
crack
break
outlet
puncture
fissure
perforation
aperture
port
cavity
void
chasm
gulf
abyss

Take your pick!

Yes, but what does the port do though?It gives ships a place to load/unload cargo.

....termites

Yours has a hole in it? It must be damaged. I'd take it back to where you bought it and demand a refund or exchange.


Tim

I thought it was to be "used" on cold lonely nights. Gets the juices flowing when I crank up "Master and Commander" (no pun intended-insert smilie face here)

The air in the port acts like a mass on a spring. Close to tuning, the driver starts to off load most of it's excursion due to the rapid change in air pressure as the driver sucks air in forcefully through the port. The air in the port has mass (which also has reactance).

Bottom line, the air that moves out the port acts like a air conditioner. Sort of.

Hope that helps. :)

--Regards,



--Regards,

It's also called a Hemholtz Resonator (http://scienceworld.wolfram.com/physics/HelmholtzResonator.html).

-Robert

It's also called a Hemholtz Resonator (http://scienceworld.wolfram.com/physics/HelmholtzResonator.html).

-Robert

Fun stuff for those with an engineering degree. (Actually what my fourth year deisgn project was based on - intake manifold application.)

So its not a vibrating sex box? :o

It can be if you're imaginative enough.

Man, this thread is whacked!:p

Mouse trap.

Tunnel for hot wheels cars?

from a layman's point of view, i've always imagined the "hole" and "port" to be some sort of a flute ...

I thought it was a blow hole...:eek:

You guys are jerks.:D

Help the poor man out.

subs are inanimate animals...they fart,hence the hole.

subs are inanimate animals...they fart,hence the hole.

They only fart when you over feed them. ;)


Ian ;)

You guys are jerks.:D

Help the poor man out.Love to. Which way did he come in?

http://en.wikipedia.org/wiki/Reflex_port:
"Reflex port is the distinctive feature of a very popular variety of loudspeaker enclosures (Bass reflex) which enhances the reproduction of the lowest frequencies generated by the woofer. The port generally consists of one or more tubes mounted in the front (baffle) or the rear side of the loudspeaker. This allows extending the (deep end of the) frequency response of the system, which means that the loudspeaker can reproduce the sound of musical instruments that generate low frequency (bass) in a better way than that of an equally sized sealed enclosure.

Though advantageous in regards of deep bass, the bass reflex cabinet is known to have poor transient response compared to the sealed enclosure cabinet at frequencies near the lower limit of the frequency response. In some cases the frequency range in which the transient response is subjectively adequate can be widened due to the drop in the lower frequency limit.

Achieving a balanced bass reproduction from a sealed box is simpler than properly aligning the components of a bass reflex system, and home constructors often select a sealed box for their first project."

and:

http://en.wikipedia.org/wiki/Bass_reflex
"A Bass reflex system (also known as a ported, vented box or reflex port) is a type of loudspeaker enclosure that uses the sound from the rear side of the diaphragm to increase the efficiency of the system at low frequencies as compared to a typical closed box loudspeaker or an infinite baffle mounting."

There... satisfied?

no it's call the howard stern vibration special.

The hole in a subwoofer is also known as the audio-hole,... or a-hole for short. :)

C

you must have bought the multi-purpose subwoofer/birdhouse version

This is the funniest thread I've seen in a long time!

:D:D:D

The hole is for deep, satisfying bass penetra....umm, I mean extension.

The hole is for deep, satisfying bass penetra....umm, I mean extension.

I wonder if the OP has gotten a useable response yet?

Sort of like voting for the best answer a la Yahoo.

there's a hole there's a hole there's a hole in the bottom of my sub...
there's a log in the hole in the bottom of my sub..
there's a log in the hole in the bottom of my sub.
there's a hole there's a hole there's a hole in the bottom of my sub..
there's a frog on the log in the hole in the bottom of my sub...

there's a frog...

Sb,

Just how many beers did it take for you to come up with that? :)

The hole is for deep, satisfying bass penetra....umm, I mean extension.

shh, that kinda talk will put those late night infommercials out of business.

I got the Z-5500 sub and there's a hole on the side. What do you call this hole? The driver?

nah, the driver resonates the hole, but it can only do that at one particular frequecny because all holes are picky. But when the driver does find that magic frequency, the hole makes lots of sound and screams.

:)

But when the driver does find that magic frequency, the hole makes lots of sound and screams.

:)Mine only moans. Do you think there is something wrong with it?

Mine only moans. Do you think there is something wrong with it?

You shouldn't be sticking that in the hole.:p

It's also called a Hemholtz Resonator (http://scienceworld.wolfram.com/physics/HelmholtzResonator.html).

-Robert

my modeling professor made sure to drive Hemholtz oscillators into our brains . . . :)

My SVS sub doesn't have a hole. Should I demand a refund?

http://img.photobucket.com/albums/v483/GregK500/IMG_0634.jpg

I got the Z-5500 sub and there's a hole on the side. What do you call this hole? The driver?

Bullet holes?

Mine only moans. Do you think there is something wrong with it?

Yes, plugging the hole changes the personality of the box!

Especially if the hole was in the rear!!!! :eek::eek::eek:

My SVS sub doesn't have a hole. Should I demand a refund?Or drill a hole. If you do, let us know how it sounds.

It is a speed hole ! Just like the holes in Homer J. Simpson's car !

Has anyone else seen his other posts?:

Sub Safety(http://www.avsforum.com/avs-vb/showthread.php?t=1004794) (http://www.avsforum.com/avs-vb/showthread.php?t=1004794)
I got a Z-5500 Sub that has HUGE magnets inside, is it safe to keep the sub 1 feet away from me?

Long-term health effects of using a projector(http://www.avsforum.com/avs-vb/showthread.php?t=998105)
The projectors all the way at the back of the room and I sit about 3 feet away from it.
While getting a cup of coffee or getting lunch, I constantly get hit by the beam on my arms or sometimes a quick hit on the face.
I also do my college work on there which sometimes take upto 10 hours (or gaming :D)

Also, since the room is closed at all times, theres a "ton" of light generated..that lights gotta go somewhere after hitting the wall right?

So all in all, how could this be bad for my health long-term? (especially my eyes)

Rubber smell coming out of new projector? (http://www.avsforum.com/avs-vb/showthread.php?t=998122)
I bought an HC4900 (new, not refurbished) yesterday from CircuitCity...one side of the box was "smashed" up. Anyways I plugged it in and it works fine...no scratches etc.

I notice that there's a slight rubber smell? I'm not sure if that's the filter or something (I hope it's nothing inside the projector that I'm suppose to remove before powering on lol).

Does anyone have a similar issue? Is it just the filter?


BTW, the bulb has mercury in it....is that poisonous (in that amount)?

Vibrations (http://www.avsforum.com/avs-vb/showthread.php?t=997966
The projector is on my table along with my keyboard and sub. I noticed when I typed, the image would shake because of the vibrations. The sub is set to medium and generates no vibrations (at least ones I cannot see the image shake).

Are vibrations from the keyboard okay long-term? Projector is a HC4900.


This person is hilarious!!!

Ocd?

http://www.avsforum.com/avs-vb/showthread.php?p=13184837#post13184837

i've never laughed so hard.

Wow, that's funny Mwolfe38.

Thanks for sharing.

well I put air freshener in my "holes" then turn it up real loud and the house smells of "tropical breeze" is the best idea since fancy ketchup! ;)

Yes, plugging the hole changes the personality of the box!

Especially if the hole was in the rear!!!! :eek::eek::eek:

Mine gets very quite if I plug up the hole that is towards the top.

Sb,

Just how many beers did it take for you to come up with that? :)none this is just a play on a song I heard when I was a kid..:p

My SVS sub doesn't have a hole. Should I demand a refund?

http://img.photobucket.com/albums/v483/GregK500/IMG_0634.jpg

LOL I can bring my electrical drill over and drill a hole so you can place a (port tube) in it. Well it’s an option. :D

So does the sealed SVS do fine performance of lows between 20Hz and 80Hz at certain peak frequencies. You need a Behringer DEQ2496 plugged between the LFE.1 output so you can see the frequency response then you’ll be able to see where it can and can’t go.

Bullet holes?

Yeah I wouldn’t be surprised after watch a film like The Matrix I mean that sub should be looking like a (teabag) by now. :D