The Continuum Copperhead is a drop in, as is the Graham Robin. The former would probably give you a good improvement in sound quality at the cost of a bit of added complexity.
Interchangeabe tonearms with RB300
Looking to upgrade an arm but prefer not to replace the arm board. My RB300 connects to the arm board using a 1 3/4" (approx) threaded connection and a nut that tightens from the bottom. Are there any other arms that would be an upgrade that use this same configuration?
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