If the speaker was defective it is hard to see how it could repair itself so of the two the crossover would seem more likely. Are you using their equalizing network? Mine is currently not working properly. I assume that you have switched the speakers and it is not channel dependent.
B&W Matrix 805 Problem
Hi everyone,
I need help in finding out what's wrong with my speaker. I have been using the 805 as surround speakers in my HT setup. Recently, when I tried to calibrate the channel volume, I noticed that one of the speaker would play a much lower volume than the other.
If I tried to increase/push that particular speaker by increasing the output gain from my Pre/Pro, then I would hear some kind of crackling/hissing sound at the higher level.
The strange thing is, sometimes, the volume of the speaker would gradually rise up to reference level if I play the pink noise for a while without adjusting the gain from the pre/pro. When this happened, I didn't hear the crackling sound. Other times, if I leave it one for a while (not playing any sound through that channel), and then play the pink noise, it would play fine at reference level. The fluctuation varies over 10 dB (i.e., not a small difference) between when it doesn't works to when it works.
I have swapped cables etc and I am pretty sure it is the one speaker that is problematic.
My question is: Does it sound like it is the Kevlar driver or the internal crossover that needs replacement?
Thanks in advance for reading and your advice.
I need help in finding out what's wrong with my speaker. I have been using the 805 as surround speakers in my HT setup. Recently, when I tried to calibrate the channel volume, I noticed that one of the speaker would play a much lower volume than the other.
If I tried to increase/push that particular speaker by increasing the output gain from my Pre/Pro, then I would hear some kind of crackling/hissing sound at the higher level.
The strange thing is, sometimes, the volume of the speaker would gradually rise up to reference level if I play the pink noise for a while without adjusting the gain from the pre/pro. When this happened, I didn't hear the crackling sound. Other times, if I leave it one for a while (not playing any sound through that channel), and then play the pink noise, it would play fine at reference level. The fluctuation varies over 10 dB (i.e., not a small difference) between when it doesn't works to when it works.
I have swapped cables etc and I am pretty sure it is the one speaker that is problematic.
My question is: Does it sound like it is the Kevlar driver or the internal crossover that needs replacement?
Thanks in advance for reading and your advice.