Can someone help me understand what I should do? I gave my HT many hours of love last night, and it had been a long time coming.
I did the rear speaker angles, readjusted PJ mount tilt/angle, plus redid zoom/scan/focus, and of course calibrated at 200hrs on the new bulb.
I ran the audio sweeps for fun and discovered my front left speaker rattles roughly between 70-110 hz! I *think* it's the speaker, anyways, lol. I will take a better physical look at the speaker later, but when I did last night, it looked perfect from the outside. Oh, the speaker is a PSB Image T55. The sweep was played at a very moderate volume. I'm going to guess perhaps at -15. Movie playback is usually higher at around -12 to -10, roughly.
Interestingly, the last sweep on the bluray calibration disc has all of the speakers running at the same time, and here there is no buzz with the front left speaker. It is only when it's the individual sweep for that channel.
I suppose I should swap left and right speakers to be sure to narrow it down to a speaker problem?
I want to know if this might mean some voice coil issue, what the worst case scenarios might be, and any other advice in diagnosing and repairing this issue.
During normal playback of movies, I have never once noticed a rattle coming from this channel. So, the system works fine for me, but obviously something is going on here.
Thanks for your time!