As Riffer says, 100% perfect azimuth is impossible, unless by chance your cartridge is 100% perfect. Since no cartridge is...
That said, I agree with Rushton's excellent post. I own a Wally Analog Shop, but over the years I've found I can adjust by ear just about as closely as the Analog Shop can measure, and enjoy listening to music while I do it.
That said, I agree with Rushton's excellent post. I own a Wally Analog Shop, but over the years I've found I can adjust by ear just about as closely as the Analog Shop can measure, and enjoy listening to music while I do it.