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Audio Engineering Explained by Douglas Self

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PREFACE

 

 

Our third chapter on loudspeakers describes their cabinets. These are not just enclosures to keep the dust off the drive units, but an integral part of the functioning of the loudspeaker, especially at the bass end of the response.

If you try to use a loudspeaker unit all by itself in free air, the first thing you will notice is that the bass response is very poor indeed. This is because when the cone moves, the air set in motion takes the path of least resistance and simply sidles round the edges of the unit to the back of the cone, and overall little sound is radiated.

The most obvious solution is to mount the speaker in the center of a large rigid board, so the air has a much greater distance to go on its round trip. This scheme ...

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