Congested sound with large-scale orchestral music suggests that the issue is with the amp/speaker combination. How does it sound with large-scale choral works? I find choral works to be the most demanding for tube amps.
You need to first determine what is the cause of any issues you are having with the sound before hunting down another CD player. Just because it may be the cheapest, component in your system does not necessarily mean it is the limiting factor.
You need to first determine what is the cause of any issues you are having with the sound before hunting down another CD player. Just because it may be the cheapest, component in your system does not necessarily mean it is the limiting factor.