How to build 15" Bass Cab Enclosure?

[Bass707]

Hey guys and gals. New to the forum. Just purchased the Scout 15" Neodymium 300 - 8 ohm speaker on the Mesa website. Never built a speaker cabinet before, but i'm going to give it a go (with help from friends of course).

I want an addition to my 4x10 Ampeg cab.

Has anyone tackled this before, or has this topic been covered on this forum at all?
If anyone has any info on building your own cab, or any links that may help, please reply. I'll need all the info I can get on this.
Cheers!

 

[62bass]

Try the Amps forum

 

[tpa]

You could try to build a box with same dimensions as indicated on http://www.mesaboogie.com/Product_Info/Bass_Cabs/ScoutCABS/Scout-1x15-LG.htm and use port of suitable length instead of the 12" bass radiator thing.

 

[adam.beauchene]

I built a 15" cab about 12 years ago. Did some research to determine proper cab volume (cab wasn't ported, I wanted a tight as possible sound), used good, void-free 3/4" ply, then dadoed, glued and screwed. Carpeted it with contact cement, put on some good corner hardware, and had a slightly overbuilt, yet bulletproof cabinet that survived the rigors and abuse of the SoCal backyard party circuit.

Good luck!

 

[jaebee]

http://www.geocities.com/SunsetStrip/Bistro/3491/speaker.html#current

 

[TDYooper]

It’s not often I can respond to postings in the area, BUT today just may be the day…

I ran upstairs and grabbed a paper backed book I use to build stereo speaker enclosures. I bought this one from Radio Shack, back in the early ‘90s when they actually had some things worth getting there, like vacuum tubes, and amplitude projecting signal generators. I’m thinking the book is probably out of print, but you may be able to find it in your local library, or book store. The information follows;

Building Speaker Systems, Second Edition
By: Gordon McComb / Alvis J. Evans / Eric J. Evans.
Published by Master Publishing, Inc.
2842 W. Fullerton Avenue
Chicago, Ill 60647
(773) 384-7145
E-mail [email protected]
Copyright 1988 / 1991

There was no ISB, or Library of Congress numbers.

Hope this lends some help…

TDY

 

[tpa]

Re: jaebee's post. The linked to article make good points but link to the calculation program seems broken. Some alternatives:
1. Invalid Link Removed (find enclosure size Vb and resonace Fb)
2. Invalid Link Removed (find port geometry)

Gross box volume is Vb + volume occupied by port and speaker. Mingle around with Fb and Vb until you find somthing that looks reasonable and to see how these parameters influence the theoretical frequency response. The deep B is somewhere around 30Hz, E is 41.2Hz. Aiming too low for Fb may affect the "tightness" in the sound.

Then build, test and trim port - and share your experience.

 

[tbone409]

check it,
http://www.billfitzmaurice.com/index.html
i'm in the process of getting to build an omni 15 tall boy, search them on TB they get rave reviews

 

[Bass707]

Hey, thanks for the responses guys. Looks like this forum has alot of knowledgable members. For now, until my speaker and parts show up (may be a few weeks) I'll gladly take all the info, read it, study it and apply it to the job at hand.
Cheers!

 

[Paul K]

I did this:
Invalid Link Removed

...and I think it's pretty cool.

Good luck with the build!

 

[T2W]

You could also ask Andy (TBer Yellow) he builds a whole bunch of cabs. Its worth a try.

 

[Geoff St. Germaine]

Do you have the Thiele/Small parameters for the driver?