[rodgersorgan] Re: Speaker Cabinets & Components

From: "Charlie Strack" <charlie_strack@xxxxxxx>
To: <rodgersorgan@xxxxxxxxxxxxx>, <rthorn1@xxxxxxx>
Date: Tue, 07 Jan 2003 10:11:43 -0800


Bob Thornton inquired about places that sell speaker cabinets. Here are =
some sources I use.

Madisound: has a line of pre-built cabinets in clear lacquered oak veneer. =
These are nice cabinets and reasonably priced. See: www.madisound.com, =
click on "catalog" at the bottom, and then scroll down until you see =
Woodstyle Enclosures at http://www.madisound.com/woodstyle.html. The =
pictures don't do justice to the cabinets. Madisound will custom design =
and build a crossover for you, but they have to be with speakers they =
stock. Be forewarned--the crossovers won't be cheap because the components =
aren't cheap.

Parts Express: sells many speaker drivers & components. They have a few =
knock-down cabinets (cut to size, but not assembled) made of MDF (medium =
density fiberboard). You need to finish to your liking. If you want a =
regular wood finish you'll need to veneer. www.partsexpress.com. Parts =
Express has pre-built crossovers, but the pre-set frequencies aren't what =
I would choose for organ speakers. They also sell the "Jasper Circle Jig" =
for cutting speaker holes. See below.

Speaker City: has some pre-built enclosures with pre-cut holes for the =
drivers with several choices on finish. I've not seen nor used these, but =
have purchased drivers from Speaker City. www.speakercity.com=20

Woodstyle supposedly will build custom enclosures for you. I don't know of =
a web site and have lost their phone number & address. They are, however, =
in City of Industry in California so they shouldn't be hard to find.

Some general tips.

I recommend the Jasper Circle Jig with your router to cut speaker holes. =
This will give you perfect and accurate circles. This is important with =
speakers because you often don't have much space between the edge of the =
hole and the outside diameter of the speaker so precision is important. =
Use an up or down cut 1/4 inch cut spiral bit in your router. Choose up or =
down based on where you want the waste and on which side you want the =
cleanest cut.

For a 3-way organ speaker I've always thought a low crossover frequency =
would be best. With organ, there's a lot of bass signal and it's almost =
always there. A low crossover to the midrange reduces intermodulation of =
the midrange by the bass and I think 150 to 250 Hz is a good choice. You =
won't find many, if any, off-the-shelf crossovers in this range, so you =
may have to build your own. Also, if you crossover this low, the mid-range =
needs an enclosure designed for bass performance. It may be easier to use =
two separate enclosures for each channel--one for the woofer and one for =
the mid-range/tweeter. This is the approach I'm taking.

Good luck with your project,
Charlie Strack

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[rodgersorgan] Re: Speaker Cabinets & Components

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