• Item: Revolutionary tangential tone arm  
  • Type: Model 7  
  • Posted: 8 October 2018  
  • Builder: Ralluph  
  • Country: United States  
  • Comments: 1  


A tangentially tracking, pivoting tone arm, controlled by a passive servo.
It is driven by the frictional drag of the LP only. It has absolutely no tracking error, and absolutely no skating.


  • Few
  • 7 May 2020 at 10:25PM
  • A marvel of engineering and creativity! I've seen video's of your handiwork elsewhere, and am glad to see it featured here. Very fine work!

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