What we hear when antiskating is off is a loss of focus or cleanliness on one channel or the other, no doubt caused by the stylus' inability to trace one groove wall accurately. Images do not really shift sideways, it's just that one side is clearer than the other.
Full disclosure...
Thanks to the same Wally tool mentioned by 4yanx I know my cartridge is:
a) stronger on the L channel by one click on my preamp's balance control and,
b) significantly off-azimuth internally, resulting in 8-9db of crosstalk between channels.
So if you wanted to know what a channel-imbalanced, seriously off-azimuth cartridge sounds like when antiskating is mis-set, well, now you do!
Full disclosure...
Thanks to the same Wally tool mentioned by 4yanx I know my cartridge is:
a) stronger on the L channel by one click on my preamp's balance control and,
b) significantly off-azimuth internally, resulting in 8-9db of crosstalk between channels.
So if you wanted to know what a channel-imbalanced, seriously off-azimuth cartridge sounds like when antiskating is mis-set, well, now you do!