Audio Research's 'finest-ever power amplifier' is the culmination of 55 years at the apex of valve amp design and boasts a huge 330W of power.

Valve amps are something I came to love many years ago. Sure I can enjoy transistor amps too, but valves power both the main systems in the house and so the whole system is now biased towards them.

Perhaps that's why, when our esteemed editor sent us a staff email about a miniature valve amplifier that looked a bit like a toy, there wasn't any response. I was clearing out my inbox a few weeks ...

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 ...

For the electronics enthusiast a tube audio amplifier makes for an interesting and unusual project, and for that reason it’s one tackled by many. [Keri Szafir] is no exception, and she’s ...

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 ...

The Audio Research Reference 330M amplifier has double the output of the firm's previous valve flagship. Expect to pay around £92,000 in the UK, $90,000 in the States. You can't accuse the ...

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 ...

Unison Research is recognised as a leader in the production of tube amplifiers, designing and producing them in Italy. Ian ...

The Audio Research Reference 330M amplifier has double the output of the firm's previous valve flagship. Expect to pay around £92,000 in the UK, $90,000 in the States. You can't accuse the ...

Any product containing a valve, e.g valve amps are only covered for 90 days from purchase. Click here for more information on Returns at PMT. If you and your new item aren’t getting along, you have 14 ...