Jason, both speaker and receiver manufacturers often take an unnecessarily cautious stance in suggesting what other equipment will work well with their products(when a problem develops, even on rare occasions, they don't care to get trashed on the internet). A "potential problem" exists with any unit, but the probability is that your 805 will do fine. Again, there's no reason to assume something which may never occur and to spend money now on a mere "potential" would be premature.

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Enjoy the music, not the equipment.