Thank you Hyperion and Whoaru99. First, I recently bought the AU-D7 and the fellow had recapped the whole thing himself. Thus I am wondering if the somewhat sterile sound could be a result of that. I have no idea how to tell. Second, some other folks have told me that the Marantz 2216, 2220, 2226 and some of the Sansui receivers, 2000, 5000, are more tube like than the later models in both products lines. I certainly noticed this with a Marantz 2220B I owned until last week and a Sansui 2000A I own still. That is what I was referring to. Third, it could well be my setup. I am streaming Spotify through an iMac into a modified/upgraded Jolida FX DAC, then into the AU-D7, then to Sonus Faber Grand Piano speakers. I have tried both a Kenwood KA-6100 and 7100 in the same setup and they sounded good, more forward treble and warmer overall, but I needed a bit more power and wanted to try the D7 anyway. Finally, I just purchased another D7 that is not working. I am going to take that to a good shop, so I just wanted to inquire here as to whether anything could be done since that amp will be gone over anyway by the shop. I listen to 70's and 80's light rock, female vocals, stringed instrument chamber music and solos. Thank you for your help.
