Nestorovic Labs Alpha-1 (NA-1) // Vintage / Tube Amplifier Monoblocks / 150wpc (A000174-175)
The Nestorovic Labs NA-1 tube monoblocks are a high-end statement amplifier, designed by the legendary Mile Nestorovic of McIntosh fame, 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: A000174 / A000175
- Replaced all output tubes with 6KD6 tubes
- Replaced 5 x 6DJ8 tubes in voltage amplifier stage
- Replaced broken switch
- Resoldered intermittent connections on tube sockets
- Replaced all lamps
- Verified power and distortion at 1 kHz
- SN A000174 150 watts RMS into 8 ohms @ 0.215% THD+N
- SN A000175 151 watts RMS into 8 ohms @0.126% THD+N
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Nestorovic Labs NA-1 tube monoblocks are a high-end statement amplifier, designed by the legendary Mile Nestorovic of McIntosh fame, 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: A000174 / A000175
- Replaced all output tubes with 6KD6 tubes
- Replaced 5 x 6DJ8 tubes in voltage amplifier stage
- Replaced broken switch
- Resoldered intermittent connections on tube sockets
- Replaced all lamps
- Verified power and distortion at 1 kHz
- SN A000174 150 watts RMS into 8 ohms @ 0.215% THD+N
- SN A000175 151 watts RMS into 8 ohms @0.126% THD+N
