Unity forgets (left/right) sound balance between reboots

[Reuben Firmin]

I sit off-center between the left and right speakers, and adjust the balance to account for this (so that the stereo field sounds balanced to me.) Unfortunately unity resets the balance every time I reboot.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: unity-control-center 15.04.0+16.04.20160413-0ubuntu2
ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
Uname: Linux 4.4.0-22-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CurrentDesktop: Unity
Date: Tue Jun 7 09:53:34 2016
EcryptfsInUse: Yes
InstallationDate: Installed on 2016-04-29 (38 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
SourcePackage: unity-control-center
UpgradeStatus: No upgrade log present (probably fresh install)