I agree with Dart23 -- the sub will get a signal any time there is some material being produced below the crossover points set on the ICBM (60Hz for mains, 80Hz for center, and 100Hz for rears) because the ICBM is just doing as instructed. It shoulds like everything is fine Incidently, the sub should be set to "on" in the Pioneer so that the Pioneer doesn't re-direct the LFE channel to the main speakers; having the speakers set to "large" and the sub to "on" will effectively disable all of the 811's bass management and let the ICBM handle it all.

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