It's pretty hard to say if there will be an improvement. There will likely be a change, but whether the change is for the better is another matter. A lot of people think that any reduction in vibration (either from external sources or internally generated by the component itself) is going to be beneficial, but, that is not the case. This is an issue of tuning, which means "more" may take you beyond ideal and cause the system to sound too lean or analytical (I heard this clearly with some CD players).
You could do a rough experiment. You could put another platform under the cd transport or amp and use that HRS shelf to experiment with the linestage. You could first listen with the linestage not of the HRS platform and then on the platform. The HRS platforms I am familiar with are tuned to the specific weight and weight distribution of the component, so this would be a rough experiment. Also, since one component that formerly was on the shelf would not be on the shelf for this experiment, you would not get a full idea of the cumulative effect. Still, it would give you an idea of the kind of sound change to expect.
I would expect that the result would be far more subtle with the linestage than a source component, at least that has been my experience (using Symposium platforms/couplers).
You could do a rough experiment. You could put another platform under the cd transport or amp and use that HRS shelf to experiment with the linestage. You could first listen with the linestage not of the HRS platform and then on the platform. The HRS platforms I am familiar with are tuned to the specific weight and weight distribution of the component, so this would be a rough experiment. Also, since one component that formerly was on the shelf would not be on the shelf for this experiment, you would not get a full idea of the cumulative effect. Still, it would give you an idea of the kind of sound change to expect.
I would expect that the result would be far more subtle with the linestage than a source component, at least that has been my experience (using Symposium platforms/couplers).