Brand New Belt: Technics Turntable SL-20, SL-22, SL-23, SL20, SL22, SL23

I believe the SL-20 is a fully manual belt drive turntable that was designed to operate at 33 and 45 RPMs. The speed switch (far left) on the SL20 was three position, 33, 45 and OFF. Off is represented by a single dot.

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