I'm listening to my Well Tempered Reference right now with a Zu 103 cartridge and it sounds great. I agree with the others regarding the need for more mass or more compliance.
That said, if you re-body your 103 (I remember seeing some aluminum Zu-like bodies selling here for about a hundred bucks) the results aree quite pleasing.
That said, if you re-body your 103 (I remember seeing some aluminum Zu-like bodies selling here for about a hundred bucks) the results aree quite pleasing.