Haines, > I'm running Jessie on a Thinkpad x250. When playing a DVD, I find the > speaker volume lower than I like and headphone at an intolerable high > level. If I bring volume down with pavucontrol or with the keyboard > volume controls, it is too low in the speakers. How do I increase > speaker volume while decreasing heatphone volume? > > Haines Brown
You can try alsamixergui (or any other alsa mixer) and hopefully see separate channels for those two (it's probably a long list of channels, scroll left and rught!). I'm not sure if the alsa settings are preserved to next boot but there should be support for this in the OS.

