David,

The so called LFE setting for the sub that you see is not a crossover, manufacturers really should not call it that. It is a Low Pass filter that is only applied to the separate LFE track on DVDs and HD content. It doesn't have any effect on the content that is sent to your main channels. In any case, the LFE LPF should always be set to 120 Hz as there is no LFE above 120hz.

It should not be a variable setting available for tweaking, but for whatever reason some manufacturers haven't figured that out yet...


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