Koetsu is a low compliance cartridge, KUZMA is not the heaviest tonearm and definitely NOT for low compliance cartridges (but this is a theory), practically it can be good enough for your ears.
@jjgasp I don't use Koetsu however there is a long documented love affair of the match between Koetsu and the FR64S/FR66S tonearms. If vintage isn't your thing there is some buzz around the Glanz arms having similar synergy.
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