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General speaker questions for audio and home theater.

RE: Implementing Full Range drivers

Before I answer your question, I need to (once again) clear up a misunderstanding and incorrect terminology. There is no such thing as a "full range" driver. In all my years of music, audio and acoustics, I've never seen, either in person or on paper, a driver which will more-or-less reasonably reproduce the frequency range of 30 Hz to 18 KHz without extensive equalization at both the lower and upper frequency ranges. The proper term for a driver which covers a very wide range of frequencies is "wide range driver". Only in the consumer/audiophile world is the term "full range driver" used. (This does not preclude vendors from using the term for marketing purposes.) Your question underscores this fact.

On to your question. Since you will need both a tweeter and a woofer to implement a high quality speaker system (making it a three-way system), I would opt for a wide range driver which does the low end well. You will need a tweeter in any case, and there are tweeters which can be crossed as low as 2 - 3KHz, providing good dispersion. The low end is also problematic, due to the output requirements, so whatever the wide range driver can do to help in that regard is a good thing.

The idea of a wide range driver is certainly valid. It avoids crossovers in most of the range of fundamentals and lower overtones of many musical instruments, and that is a good thing. On the other hand, there are many other important performance factors to be considered, and the pursuit of the idea can be taken too far, to the detriment of other performance considerations.

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