For this amplifier the frequency and phase responses ... And it sounds, well, like my hi-fi system. No special “warm valve sound”, but it did give me the momentary cachet of a pair of glass ...

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 ...

Audio Research’s self-declared "finest-ever power amplifier" is now shipping worldwide and it is the culmination of 55 years ...

THE thermionic valve amplifier is so universal in its application that even the existence of other means of amplifying tends to be overlooked. Two papers read recently before the Institution of ...