I'd like to add some comments: ·Under Mac OS X 10.6.8 all 4 speakers are working fine, sound has bass and is correctly balanced, sounding strong and clear.
·Performing the "left speaker" and "right speaker" tests from this page [ http://www.richardfarrar.com/are-your-speakers-wired-correctly/ ] reveals differences between Ubuntu and Mac OS X. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1070543 Title: [MacBook4,1, Realtek ALC889A, Speaker, Internal] Only right bass speaker is working, left is not. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1070543/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs