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TechRadar
Becky Scarrott

The American gods of valve-based audio have released a huge monoblock power amp and I've never wanted 92kg of hi-fi more

Audio Research Reference 330M valve amp in black, showing the valves, on a black carpet, with TR's 'Money No Object' franchise badge in the top right corner.
Money no object

We love to give practical buying advice on the latest gadgets here at TechRadar. But sometimes what we love even more is to indulge in the most outrageously high-end, cutting-edge, luxurious tech on the planet. That's what we bring you in these Money No Object columns – you can read the whole series here.

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" is now shipping worldwide and it is the culmination of 55 years at the very cutting edge of valve amp design.

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