Quote Originally Posted by r100 View Post
Great ! I'm not sure I understand that you have to switch between Volumio and Spotify.

Normally, you only should have to use the Spotify application. For serious listening, leave the volume on the Mac and Spotify app at 100% and use the your amplifier's volume knob.
Yes, but I'm not using a preamp with the Pi (so no 'amplifier', in that respect). The Pi goes directly into my power amp. Therefore, I'm controlling the volume on both the streaming of music from my NAS, and Spotify, via Volumio, on the Mac

Because I currently don't have Spotify activated on the Pi, I have to open it up as a separate web page, in order to access it and select songs, then flick back to the Volumio web interface, to control the volume. It sounds best with the volume on the Mac set at about 70%, and then I control the 'master sound level', as it were, via Volumio.

Any higher than that on the Mac and the sound becomes overblown and 'saturated', a little like the effect gained when playing back recordings made at too high an input level. It's about getting the gain structure right in my system.

Another thing you should do in the Spotify app is set the "Music Quality" to "Extreme" to get the full 320kbs/sec.
Cool. How do I do that?

Marco.