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  HOME  : Grado Laboratory Turntable Tonearm
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At first glance, the most striking feature of the tonearm is its wooden construction. Grado chose to make his arms out of walnut because of the wood’s ability to eliminate unwanted resonance. The arm is balanced by the use of a counter weight on the end of the arm. Tracking force is adjusted by means of a spring mechanism. In spite of its massive appearance, the arm is quite light, and can be made to work with modern cartridges.