Avantgarde Acoustic Uno SD Sumiko Styli but multiples can be stacked

but multiples can be stacked if desired (for a greater damping effect or to compensate on turntables where the arm height is not adjustable

when you get down to the details you start to see the near obsessive levels of attention to detail in the engineering

Technical Specifications:Electronically Selectable Speeds: 33 1/3 rpm

weight and scale

If your turntable or power supply are adjustable

Avantgarde Acoustic Uno SD Sumiko Styli but multiples can be stackedThe Avantgarde Uno SD is a truly special, wide range speaker system. Its a three way design with horn loading covering the mid range and treble ranges along with a powered bass system covering lower frequencies. The result is a speaker with the remarkable benefits of horn loading but in a reasonably compact box, yet it's one that still offers a massive efficiency of 107dB and very wide bandwidth. The SD range is available with built in full range