Possibly need a 18" sub for project.

[RAM_Designs 5,000+ posts]

3.5 ported...
In an 18" format look for a Qts of 0.25 or lower..... good luck with the 300 dollars unless its an entry pro woofer with next to no throw - which may work too.

most of these are about 1 grand. What you're asking for (if done right) is not cheep.

TC Pro 5100 Neo

Sound Stream XXX

Fi BTL (ask for soft spiders)

old school TC-5200 or Eclipse Ti Pro or any 4HP

IA Warden (again, ask soft spiders or the Q will be too high)

custom DC might work too, i think they have some super neo thing too.

B&C SW115 Neo

The second issue is a big enough port... You'll need a huge port and it will have to be long in that size box. Unless its going to stick out of the box a few feet then you probably have to do it with passive radiators.

Just give him one of your 4hp woofers. //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif