You should also consider the STANTON 681EEE MK 3 if you want smooth sound, especially on a Technics S tonearm. NAD amps are smooth sounding, so perhaps you have power line noise which is coming through the speakers. Your best bet is to start with a cryo'ed outlet like the Porter Port and next adding parallel filtration. Try it. It is also important to note that Technics TTs need to have the spindle oiled ALL THE WAY TO THE TOP. Less than that will create harshness in the upper frequencies.
With psychic power and primal intensity,
With psychic power and primal intensity,