The Nestorovic Labs NA-1 tube monoblocks are a high-end statement amplifier, designed by the legendary Mile Nestorovic to deliver exceptional musicality, dynamics, and transparency. These amplifiers represent the pinnacle of Nestorovic’s engineering philosophy: blending traditional tube warmth with innovative circuit design to achieve uncompromising sound quality. Rare and highly regarded by audiophiles and collectors, the Alpha 1 (NA-1) monoblocks are both a work of art and a sonic masterpiece.

S/N: A000158 / A000159

• Complete replacement of all electrolytic capacitors throughout both units

• All tubes tested good on Hickok 605a

• THD+N 0.3% at 150W