FWIW I originally upgraded to a tornado feeding a Niagra 7000 and thought it made a huge difference. I have now upgraded to a hurricane and can hear a very significantly better sound - tighter, more definition, firmer bass, and much deeper black background. Like a thunder x 2
Now need to consider upgrading the source/amp cables from the NRG 3Z....could be getting expensive again
Now need to consider upgrading the source/amp cables from the NRG 3Z....could be getting expensive again