Thanks for reply. This is pretty funny actually. I had the sub away from the wall and hooked it up one more time to check the rattle. The port was facing forward so I could see inside. When I turned it on and started watching a show I heard the rattle but I saw something move inside the port. Went and checked, somehow a piece of paper got inside and most of the way back in the port. About a 3x8" piece of paper I had used as a list. I took it out, for now seems to be no rattle. Amazing, first of all how the paper even got in there, only opening is the port, not a big opening and facing the wall, only a few inches away. Would have had to fall down, then sideways into the port then get sucked back. Also the amount of noise it made, sounded like a blown driver, it was loud. Anyway I will test more to be sure, just tested with a movie recorded on my Tivo, if sound is gone for. good I will be very happy
Oh, while I'm here, I'm not very knowledgeable about settings etc. I have 7 speakers plus the sub setup. Two Bose 901, two large Advent, two strange Sony speakers with flat drivers (APM-790s, being used for now as my Cerwin Vega towers need to be reconed) and a Klispch center channel. My receiver has settings, can choose full range for each set of two and the center or can set a crossover frequency for each set. Though my speakers are considered full range I usually have the settings at 80Hz crossover for each. There is also a setting for LPF of LFE, I have it at 80Hz. And an equalizer setting, off or Audyssey, I have it set to Audyssey. On the sub itself I have the gain set halfway and the lowpass filter to 80 Hz. Any thoughts on the settings? I can set the crossover for each set of speakers individually. How about the gain on the sub, halfway good or should it be more or less? The receiver is an Onkyo, nothing fancy but gets the job done. I can adjust each speaker individually volume wise, I just try to get them all about the same volume for where I am sitting.
I kind of miss the "old days" before all these fancy settings etc. My first stereo was a Marantz 2270, AR-3a speakers and a manual AR turntable with Shure V15 type 3 spherical. I blew the tweeters and mids on the 3as a lot, if I fused them would have been replacing the fuses daily if not hourly. Stepped "up" to a Dynaco 400 amp (built from kit), Dyanco PAS 3x tube preamp (built from kit), Onkyo tuner, (highly rated (by the "Absolute Sound", those guys were funny, they told it like they saw it, no ads), ESS AMT3 "Rock Monitors" and a Kenwood KD500 turntable with Grace 707 tonearm and Sonus Blue cartridge. I really miss the Marantz, that was one great receiver, had it tested a few times, flat from 20-20K with virtually no THD and could actually put out closer to 90-100 watts per channel. REAL watts