Brent, welcome. You're apparently a quick study and will leave it set at 8 ohms. A broader point that could also be made is not to pay as much attention to the nominal impedance that the manufacturers put on a speaker as many seem to do. The impedances of most speakers vary widely as frequency varies(for example, my "8 ohm" M22s vary between about 3 ohms and 20 ohms). The average impedance over the entire frequency range is more significant than the minimum impedance, since it more closely corresponds to the load on an amplifier when playing music than would a test run at the minimum impedance.
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Enjoy the music, not the equipment.