What are the Do's & dont's of building a x/o - diyAudio
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Old 28th July 2004, 08:28 AM   #1
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Default What are the Do's & dont's of building a x/o

I just want to know are there any set rules on what do .

I have read that the x/o should not be directly behind a driver .
The coils should be at right angle to each other & be at least 75mm apart . What do I do if I cant follow these rules in a small box

If I make the x/o out side the box does it matter what the container is made from wood or plastic . what about metal

.Can the x/o be to far away from the box .

To keep the other half happy the x/o would have to be out of sight .So it can't go on the back of the box

It is a centre on top a rptv at least 42 inches off the floor

Is there any other rules I should Know. thanks
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Old 28th July 2004, 09:28 AM   #2
Mark25 is offline Mark25  United Kingdom
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potting can help if you put it inside the box.
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Old 28th July 2004, 12:01 PM   #3
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External crossovers are the best choice as they allow you to easily tweak them later on. The best way to do it is to add an extension onto the cabinet to house the elements outside the driver chamber but still out of sight. Most choose to add the additonal chamber below the main box, but it can be put on the rear also.
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Old 28th July 2004, 12:57 PM   #4
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One hint I could give you is: Keep an eye on component impedance. It is not always a good idea to replace the simple iron core inductor by a silver foil air core inductor. They both won't have the same resistance, what will for example alter the bass alignment.
This is also valid for capacitors: It is not always helpful to replace an "odd" electrolytic by a bunch of paralleled MKP foil capacitors, even if the resulting capacitance is the same.
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