One of the most respected high-end audio brands in the world has discovered colors and modularity. The Audio Research I/50 Integrated Amplifier has arrived for $5,000. Color me impressed. Change is ...

Why you can trust What Hi-Fi? Our expert team reviews products in dedicated test rooms, to help you make the best choice for your budget. Find out more about how we test. The Audio Research Reference ...

Audio Research’s Reference 160M Vacuum Tube Amplifier, or REF160M, is available for preorder today. It has a few features that haven’t been in an ARC (Audio Return Channel) amplifier before, according ...

As with every other Acoustic Research amplifier, the REF160M features KT150 valves (they can be seen through the chassis’ transparent faceplate) which have a claimed 3,000-hour life. Owners can ...

Single handledly redefining what most have come to know as “tube audio”, Resarch Audio brought tube-technology back into the mainstream light when they established themselves as the sole American ...