Randy, I noticed some time ago that the amended instructions in the EP500 manual relating to "crossover" state that when the control is set to bypass, the "crossover"(actually low-pass, not a full crossover)is 150Hz. This indicates that the fixed "brick wall" filter has now been set to 150Hz rather than 100Hz. It would seem that few buyers of the EP500 would be using speakers small enough to require sub output up to 150Hz, but anyway it's there now.

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Enjoy the music, not the equipment.