I have a Denon AVR-1908 Receiver and a Bose Acoustimass 10 speaker system. I was told that these would work fine together and the place I bought them, ABT Electronics, which is a very reputable store. After about 3 months I started to have problems. It seems that after about an hour of use at high volume level(0.0) the front left speaker begins to crackle, and then the sound completely shuts off. Do you think that this is an issue with receiver and that it needs to be serviced, or is this a problem with compatablitiy at high volume levels. I browsed some other threads in this forum and saw that some receivers have trouble with handeling high end speakers, however I was under the impression that Denon was one of the best receivers. Thanks in advance for any feedback. Also, I did an auto speaker setup and it adjusted the channels automatically(using a microphone test). The front left channel is set higher than the rest at +4.0. The rest are either set at 0.0 or +2.0. Still, shouldn't this receiver be able to handle that? Is it possible for this to happen because the speakers cannot handle the volume level?