I’m no expert. I’ve learned a lot from many forum legends here on avForums. It’s a great place to learn stuff! I’ve learned a lot about digital amplifiers which uses switch mode transistor. Classe AB that uses push/pull transistor. Classe A amplifiers that runs its transistor in pure Classe A all time. Class A is my dream amplifier. If I’d won the lottery, I’d buy a Luxman Classe A amplifier in a heart bit, that or Macintosh Classe AB amplifier. It’s just that they cost as much as used car. 15 years or so Macintosh amplifiers cost half the twice of what they cost now. The currency is king, as always. And the us currency have gone up also. Sorry a bit of topic, since this tread is about Marantz amplifiers. But I digress. Have nice day with you’re hifi setup. I bet it sounds warm, dynamic and real. Try play -Jazz At The Pawnshop-. It’s an audiophile classic.