Measuring the side panel
https://www.buildandlisten.com/loudspeakers/cno-grand/buildprocess/f6d8933c-a820-4089-b11d-2774d35c79aa.jpeg/view
https://www.buildandlisten.com/loudspeakers/cno-grand/buildprocess/f6d8933c-a820-4089-b11d-2774d35c79aa.jpeg/@@download/image/F6D8933C-A820-4089-B11D-2774D35C79AA.jpeg
Measuring the side panel