Up for sale is a pair of Nagra VPA 845 tube monoblocks.  The Patek Philippe of tube amplifiers, and truly the best 845 amplifiers out there.  

"The transparency was astounding.... imaging was extremely holographic... the full and total explication of the space by the VPAs is a knockout." ~ Jonathan Scull (Stereophile).

Features balanced inputs with selectible 4, 8 and 16 ohm speaker output.

They are in great condition.  Comes with original boxes and tube protectors.