SANSUI: TU-X1 tuner vs. Magnum Dynalab 109

I currently own a Sansui TU-X1 tuner. It sounds really good. However, it is the only audiophile grade tuner that I've ever owned or heard. Also, it is about 30 years old but in great condition. Ive read about the the new flagship Magnum Dynalab 108 and 109 tuners and how great they are and I am curious. How much of an improvement over my Sansui TU-X1 will these new tuners be?

thanks......mitch

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