Direct Drive Turntable System SL-1210GR2

Since inventing the world’s first direct drive turntable, Technics has continued to work to improve sound quality. It has now developed the ΔΣ-Drive, which suppresses minute vibrations from the motor and improves the electromagnetic conversion accuracy of the cartridge. The first stage of direct drive turntable systems featuring this technology is the SL-1210GR2.

In 1970, Technics commercialized the world‘s first direct drive turntable, and the system took the world by storm. Unlike belt drive and other systems, direct drive systems rotate the motor at low speed and directly drive the platter, thus providing numerous advantages, such as the almost complete absence of degradation in S/N ratio due to motor vibration and deceleration mechanisms, as well as high reliability over a long period time because of not requiring parts replacement.
And in 2016, Technics developed the twin-rotor, surface-facing, coreless direct drive motor with rotor magnets placed on both sides, thereby eliminating the rotation irregularity of the motor, referred to as "cogging," which was a unique issue for direct drive systems. This motor was adopted for the SL-1200G, which once again drew a significant response in the hi-fi market. The SL-1210GR2 inherits the same design philosophy with the new development of a single-rotor, surface-facing, coreless direct drive motor, resulting in the elimination of cogging.

The platter achieves high rigidity and vibration damping characteristics by using a two-layer construction with deadening rubber applied to the entire rear surface of the aluminium die-cast to eliminate the unnecessary resonance that is otherwise relayed to the record, thereby producing clear sound.
To increase the inertial mass and reduce vibration, the shape of the aluminium die-cast portion was optimized by simulation. At 2.5 kg (including the rubber mat), the SL-1210GR2 platter is 0.8 kg heavier than that of the previous SL-1200MK5. Also, the back surface of the platter has strengthening ribs added to improve rigidity. Increasing the surface area of contact with the deadening rubber achieves damping characteristics that are more than twice those of the SL-1200MK5.

El brazo sigue la rotación del disco y permite una lectura de alta precisión. El brazo heredado de Technics es el brazo universal de equilibrio estático en forma de S utilizado tradicionalmente, que emplea un tubo de aluminio con un peso extraordinariamente ligero y un material rígido.
Gracias al diseño de suspensión del cardán, la sección del cojinete del brazo utiliza una carcasa troquelada con cojinetes de alta precisión, como en los modelos SL-1200G y SL-1200GR. La alta sensibilidad del movimiento inicial de 5 mg o inferior se logra mediante el montaje y el ajuste manuales por parte de expertos artesanos japoneses. Esto permite que se puedan reseguir con gran precisión los surcos de los discos.
Además, se incluye un tipo de peso auxiliar, y el cartucho puede intercambiarse con una variedad de cartuchos para adaptarse a los distintos géneros o gustos musicales. (Peso de cartucho aplicable si se utiliza el peso auxiliar suministrado: 10-16,4 g [sin incluir el cabezal suministrado])