What material does Axiom use for grills? Polyester, rayon, nylon, or ...? I want to dye my tan grills black, and odds of success would be higher if I know what the material is.

Greg
VP180, M80s, M22s, QS8(4), CSW S305s, EP500, Pioneer VSX-90
M2i, M3(2), Pio vsx-1020