I use Cantata 1.5.2, a Music Player Daemon player. I play all my FLAC library with replaygain album.
Just to be sure, I’ve played the song with VLC, and there is distortion too. I haven’t tried playing with iTunes because I do not want to use it.
I think that you’ll be able to reproduce the distortion with the VLC (I use the latest stable)
You can test with a song from Def Leppard : love (track number 4, from the” Songs for the sparkle lounge” album) : no need to wait, you can hear the distortion when the song starts.
Please let me know…