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RE: Single "fullrnge" drivers often lack high frequency extension

Typical large/efficient 'fullrange' drivers are much more directional at higher frequencies, so the reverberant field in the room lacks high frequency energy, even if the on-axis response is flat.

Giant front horns have been used to make them more directional at lower frequencies, and tweeters aimed away from the listener have been used to augment the reverberant field. And many fullrangers have a rising high frequency response to make a balance between on- and off-axis responses.

If my interpretation is correct, these compensations are evidence that there is a problem with flat-on-axis fullrangers, which could reasonably be called 'politeness'.


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