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Re: Altec 825/825 cabinet improvement

I added about 2" of concrete behind the flares of my 825s.Before add ing the concrete,screw in a bunch of 1 5/8" drywall screws(being careful that they don't go thru the front)so the concrete has something to grip onto.

I also added extra bracing to the rest of the cabinet,The more the better,but you will probably have to change the port size to keep the same tuning.

A alternative if you are going to use a sub(LABhorns work well) you can cut the cabinet in half,using just the front horn.A back chamber of about 1 cu ft works well with a 416-8a,although open backed sounds good too...

I recently tried a pair of JBL 2205as in them,sounds better than the Altecs...Sounds better than my round horns,too,even though they are the same flare as the Altec cabinet.:-(


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