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Model 20/2A
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Overview
Model 20/2A
This finely engineered precision turntable offers a new listening experience from your treasured vinyl and 78's. Massive construction, extensional damping of major surfaces and lack of vibration from moving parts ensure tightly controlled detailed sound and stable stereo imaging.In an electro-mechanical record replay system a major problem is extraneous vibration. This will come from numerous sources including air and structure borne vibrations from loudspeakers, vibrations caused by groove modulation and those set up by stray electrical fields and mechanical imperfections in the turntable's moving parts. Addressing these problems two simple but important facts influence design. The higher the mass and stiffness of a body the less it will flex and vibrate; the duration of a vibration can be shortened by suitable damping.
When playing a record two sets of mirror image audio vibrations are reacted, one in the arm and the other in the platter and both will pass into the sub-chassis in the course of dissipation. The usual 'closed loop' construction does not address the problem of their differing phase however so in the Model 20/2 the interfaces of the mounting plinth and bearing assembly with the sub-chassis have received special attention to provide individual paths of the required impedance.
The Model 20 2a is equipped for but not including SME precision pick-up arm.
