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Reference II vs reference premeire crossover differences?

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Any idea why Klipsch decided to use a higher xover on their floor speakers than the bookshelves? The 250/260f are crossed at 1800hz and the 280f is crossed at 1750hz, while the bookshelves and centers are crossed at 1500hz. The II series had lower crossovers for the larger horns in the rf 82 II and the rb 81, at 1400hz.


Seems to me as far as controlled directivity goes a higher xover with the bigger woofers would result in worse directivity control than the bookshelves.

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Most likely tradeoffs:

- cost of parts

- serviceability - dual woofers will get louder and pushing the tweeter lower puts more pressure on it

- horn and driver variations


Also just another thought is the lower the woofers are at crossover, the higher it will push the crossover point.


Just some ideas.

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