How about your room acoustics?? That’s usually an important early investment.
As for your amp, have you tried the IsoAcoustic pucks? Last time I knew of anyone using a granite slab under an amp alone they hated it. I’ve not tried.
As for your amp, have you tried the IsoAcoustic pucks? Last time I knew of anyone using a granite slab under an amp alone they hated it. I’ve not tried.