The pre out for the right channel on my Yamaha RXV 2700 stopped working. I'm using a pro-amp connected through the preouts, and I noticed that right speaker wasn't working. To be sure it wasn't the DVD, I tested with different inputs and DSP modes, and the result was the same "no audio on...

from what i've read on here, and from other people's graphs i've seen, if you take a measurement of your sub preout, response should match up exactly with a flat target thats configured with the same crossover and slope, right? below are some graphs of my preout measurements, which as you can...