This turntable was used by a small speaker manufacturer as a reference source.  It has been modified with RCA and BNC output jacks,  The arm has been isolated on rubber and elevated to account for mat thickness.   It is manual operation only.  The arm , head shell and cartridge have had acoustic damping added.  The cartridge is a Micro Acoustics   2002 with a good stylus, it is direct wired to the head shell and cannot be removed, a second empty head shell is included.  A  Disk Mat SE 22 in included.  It is  very thick and provides exceptional damping.  The dust cover has damping pads to prevent ringing at high volumes.  It operates properly on both speeds.  A power switch has been added.  This unit is quite heavy.