Dull reflection in C4D V6

[Turan]

Can anyone help me with a dull reflection in C4D V6?

I have a cube with a sphere in front of it. The cube has 100% reflection applied. So that the ball is sharply reflected in it. Now I want to make the cube like a dull metal so that you just see a fuzzy ball for a reflection. (see attachment I created in XaraX).

I've tried dropping the % reflection, but that just gives a faded sharp reflection. I've tried applying a solid gray diffusion image. This seem to do the same as dropping the % reflection.

I've tried using the solid gray image as a relection image and applying softness to it.

I think its a combination of all these, but I thought I'd ask the experts here at TG.

Turan