"Harvey": I would blame your Logans before I blamed the Krell amplifier, unless you're not conditioning the AC power for the Krell. (Krell says not to use conditioners, but they're partly wrong, because the ones that don't current limit are fine FOR SURE!) "Bmpnyc2": Rel subs are ok, but they aren't the best. "ARAGONACE": Again, you just aren't filtering the AC enough for the FPB 300. If you were, it would soundly stomp the ARC 100!
