When it comes to valve amplifiers, power outputs of around 30W to 50W tend to be the norm. In some instances, this figure might rise to around the 100W mark. But Audio Research’s new Reference ...

Audio Research’s self-declared "finest-ever power amplifier" is now shipping worldwide and it is the culmination of 55 years at the very cutting edge of valve amp design. What you're looking at ...

Design engineers can evaluate operating efficiencies of audio amplifiers while using standard benchtop measurement systems.