The design of XTC puts its lowered Centre of Gravity closer to the plane of the stylus than other "dropped" counterweights can manage. XTC is available for a number of arms, and has consistently had positive effects.
SME 3009 SME 3012 Bed Plate Grommets
Cartridge Arc Protractor for SME 3012 Series I and Series II tonearms
Genuine SME 3009 3012 Base Plate Grommets: Experience the Difference
Lightweight Black Aluminium Headshell For SME 3009, 3012 Series I / II Tonearms
SME 3009 3012 Tonearm Allen Key Set By Perform
SME Mounting Template for 3009 and 3012 Tonearms
