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Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ.

Again this is simple.....

The stylus transcibing the groove has a mass, it also has a vtf. You want the counterweight's median mass to be at the plane of the diamond if you want to provide the least amount of vtf variation as the diamond moves vertically.

Sorry if I sound know it all about this but I am designing my own tonearm right now and the cgi 3d 128 bit evaluations show any other counterweight option to be poor option.

Again it is the median mass of the counterweight that needs to be at the stylus plane. How you hang it there is up to you. I think a slung counterweight is a great option on many tonearms since you can create more median mass with a flat plate than a round offset counterweight.

I am sure Mark Kelly can give you the math on this since he is building a tonearm as well.


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