Interesting thread about comparing Aesthetix IO Sig, VDH Grail, Kondo M7, and some others. You will need to use Google chrome translate settings to translate German automatically to English. He uses the Lampi as reference as he changes his phonos, and also changes tubes to get the sound out of the phono. Extremely methodical in his approach. for all his set amps, dacs, etc, he is highly methodical in rolling the tubes to find different matches.
http://www.open-end-music.de/vb3/showpost.php?p=212630&postcount=1
http://www.open-end-music.de/vb3/showpost.php?p=212630&postcount=1