Audio Research Reference 160M Vacuum Tube Amplifier
Built with a new circuit topology that has the shortest possible signal path, the Audio Research Reference 160M Vacuum Tube Amplifier offers some of the cleanest audio around. Included in the path is a proprietary auto-bias circuit that works with various types of tubes, constantly working to maintain precise bias and adjust for tube wear, resulting in consistently excellent reproduction. A transparent faceplate gives you a view of the glowing KT150 tubes while doubling as a LED-illuminated power meter, and a solid-state power regulator increases stability.