Are you serious about your stereo hi-fi system? Are you, though? Then strap in: this is where you need to be for the next few minutes. Audio Research’s self-declared "finest-ever power amplifier ...

In some instances, this figure might rise to around the 100W mark. But Audio Research’s new Reference 330M monoblock power amp takes this to a whole new level with, you probably guessed ...

What you're looking at is the Audio Research Reference 330M power amp, a fully balanced, pentode-mode monoblock design with a quite extraordinary (for a valve amp) 330W power output, more than ...

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 330M ...