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Reference

General wisdom:

  1. An interview with Pierre Lurné of Audiomeca by Geoff Husbandhttps://www.tnt-audio.com/intervis/lurne_e.html
  2. Wood as a tonearm material:Reed (Lithuania) explaining the resonance behaviour of wooden tonearms and it’s measuring.
    https://www.reed.lt/5174/research/wood-vs-the-rest-testing-armtube-material/Microsoft Word – tone-arm.doc
  3.  A very detailed paper about the “effective mass” of tonearms, and the whole concept of “inertia”. This together with Alex Korf’s blog and tool “Compliance/Effective Mass Calculator”Compliance/Effective Mass Calculator should explain everything you ever wanted to know about cartridge – tonearm matching.

Education about tonearms:

  1. There are many pages on the net, but the source that I have learnt the most from, is the blog of Alex Korf (Korfaudio.com)! I admire his scientific approach and the exiting development story to his new tonearm concept.
    https://korfaudio.com/blog100 speaks about his “Audio Priorities”. I could not agree more!
    Very helpful is the “Compliance/Effective Mass Calculator” https://korfaudio.com/calculator If you “play” with the available data on your cartridge, you will recognize how unimportant effective mass of your tonearm really is. This corresponds to my experience with many cartridges having different compliances.

On the art of violin building 

  1. https://www.schleske.de/en/research/publications.html
    https://www.schleske.de/fileadmin/user_upload/doc/CAS_speed_of_sound.pdf

Anti skate alignment

  1. http://www.vacuumstate.com/fileupload/GuruSetUp.pdf
  2. https://www.vinylengine.com/turntable_forum/viewtopic.php?t=111834

Constraint layer damping

Just google. There are so many sources that explain the principle.

Eddy current damping

Pierre Lurné on the damping of tonearms: Where shall damping be positioned? “… at the very pivot (around it)”!   Look at the eddy current concept dampening the very pivot point of a SAMBUCO!https://www.tnt-audio.com/sorgenti/lurne_tonearm_damping_e.html

  1. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science published   by  Partha Paul, Chetan Ingale and Bishakh Bhattacharya
    http://pic.sagepub.com/content/early/2013/05/10/0954406213489408
  2. Eddy Current Damping in Structures, by Henry Sodano, University of Michigan

https://www.researchgate.net/publication/254983978_Eddy_Current_Damping_in_Structures

Tonearm alignment

Unipivot design concepts

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