Building a subwoofer

boatlover 5254

Do I use stuffing to losly pack the sub box?

VR3

yes...

UNless the design dosnt call for it

But in your case, yes

boatlover 5254

and wat about the tube thing

gmorris

Originally posted by boatlover 5254
and wat about the tube thing

Do you mean the port tube?

Have you designed this subwoofer using any kind of computer modeling software, or are you just building a square box and placing a driver in it? The reason I ask is, determining the correct diameter & length of the port tube is critical to the performance of the subwoofer.

boatlover 5254

I have an inside dementions of 11 1/4inches what size do I need

gidrah

I would say your best course of action would be to post any information you have on this driver and let the members here take a crack at desinging the box for you.

boatlover 5254

I have a 20w woofer
a 25w amp
woofer is 8 indurence
power sub
particlewood box
11 1/4inch square for the inside dementions.

gmorris

if you can tell me the model # of the sub & the manufacturer name, i'll run the sub thru WinISD, and design you a quick box.

you don't seem to understand how complicated building a correct enclosure for a subwoofer is. do you know the Theile/Small parameters? this info is required to design the enclosure correctly.

If you don't know any info about the sub, just tell us the brand & model names, and i'll dig up the info for you.

boatlover 5254

it is a very old woofer. What would you just think would be the right size... This is for science project but i want it to be as good as it can.

gmorris

If you don't know any info about the woofer, or can't look it up, just forget about the port. Without the necessary info, it is impossible to even fathom a guess at what the correct diameter & length for a port tube would be.

Just leave the tube out, and go with a sealed box design.

Just another thought, do you have an old enclosure that the woofer came out of? If you do, just duplicate the design of the old box.

gatemplin

Yeppers. Just throw it into as sealed box as the g-man said.

gidrah

If i were you, i too would put it in a sealed box enclosure. If i didn't have one available i would just check out the the thrift stores for speakers that you could put yours into, plug the holes, throw in an old pillow on the backside and let it rip.

boatlover 5254

the woofer is in a seald box will it effect the sojnd at all with no vent?

VR3

Do a search man, Sealed and Vented loudspeaker designs...

Science Project = RESEARCH

hoosier21

Alright.. Now I knowI'm druck