But Audio Research’s new Reference 330M monoblock power amp takes this to a whole new level with, you probably guessed, a ...

Audio Research's 'finest-ever power amplifier' is the culmination of 55 years at the apex of valve amp design and boasts a ...

In the case of a preamplifier it will usually be designed to work with high impedances in the order of 50 kΩ at both input and output, while in a power amplifier designed to drive speakers or ...

The unit's advanced feedback topology for the output stage promises exceptional thermal stability, resulting in a cool-running amplifier that "possesses the capacity to deliver dynamic power and ...

pentode-mode monoblock design with a quite extraordinary (for a valve amp) 330W power output, more than double that of the company's previous range-topping Reference 160M MkII. Its output stage ...

You can't accuse the engineers at Audio Research of talking themselves or their products down – the self-proclaimed "American gods of valve-based audio" have a new flagship power amplifier that they ...