For SACD use Filter 1. Red book I use either Filter 2 or 3 depending on the CD. I don't use noise shaper. If it is a new player it will sound it's best after a few hundred hours. Enjoy ,it is an excellent player.
Use the filter that works the best with your gear, speakers and room. It was designed this way. The Noise Shaper works great, will improve slam and bass, just check which filter it works best with.
My tube as a great video on getting the best out of this superb unit. Work its weight in GOLD!
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