@stringreen,
Why do you dismiss offhanded (setting azimuth by ear?)
With the 3d arm, this operation should be quick and easy. And an experienced music listener such as yourself, should be able to perform, no problem.
Why do you dismiss offhanded (setting azimuth by ear?)
With the 3d arm, this operation should be quick and easy. And an experienced music listener such as yourself, should be able to perform, no problem.