shs

Those graphs were made with SignalScope on my iPhone. (View Post)

The answer to your last question is, yes and no. With music, it depends and only happened when there was fairly strong content in the mid-bass frequency range. Also, this type of harmonic distortion… (View Post)

The top graph is the "bad" left speaker and with a ~250 Hz signal, you can see the harmonics at 500 and 750 Hz are only 20-30 dB down and there is lots of hash at higher frequencies. With the "good"… (View Post)

As to the original 705 that I needed to replace, there was very obvious harmonic distortion coming from the mid-bass driver that would stop if you touched it. See attached jpgs for the good right and… (View Post)

I had to replace one of my 705s up front, and for the first couple of weeks, the speaker sounded fine, but somehow made it location a bit more apparent that it should have been. Eventually it blende… (View Post)