With relatively low-compliance cartridges, which tend to impart stronger vibrations into the arm, some of the additional mass needed (say, about 50% of it) is best added right at the headshell rather than entirely in the tonearm base, for the slight flexibility of the armtube may otherwise cause the cartridge to decouple itself from the base end, with resulting spurious and unnecessary rsonances. (The SME 3009 Series II, by contrast, was rather bright and a little harsh.) (This is partly accomplished through the use of a pasty compound, supplied with the arm, which firmly binds the body of the cartridge to the headshell.) As a result, the arm has little sound of its own and, in fact, makes some cartridges sound almost overly rich in quality.
#Sme tonearm series iii free
With high-compliance cartridges, the arm is almoat completely free from resonances (outside of the usual system bass resonance, which is a function of effective mass and cartidge compliance), and produces only a satisfyingly uncolored "clunk" when shock-excited. The fluid supplied is, however, too thick the arm should be purchased along with Shure's "Thinning Fluid," which latter should be added (and excess fluid removed) until the arm takes about 1 second to drop from a height of 1" with the smallest paddle in place and the tracking force set for 1 gram. The arm is available with an optional viscous-damping system, presumably for the benefit of those reactionary souls still don't comprehend how viscous damping works and thus prefer not to use it.
Unlike most arms with plug-in headshells, the SME has a plug-in arm, which accomplishes the same thing but places the additional mass of the plug and socket back near the tonearm base, where its effect on the cartridge-system effective mass is minimal. For the same reason, it is also one of the most tedious to set-up because, since every parameter is adjustable, every parameter must be adjusted. The third iteration of SME's 3009 is one of the most versatile tonearms around.
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