Lab: Paul Miller

It is not unusual for products featured in Hi-Fi News to rival a family car for cost. But a pair of monoblocks that weigh as much as a car and cost as much as a house? While that is surely breaking new territory for us all, the prospect of 'stretching the envelope' in power output, industrial design and sheer audio performance was clearly uppermost in CEO Dan D'Agostino's mind as he contemplated the next step on from his 400W/8ohm Momentum monoblocks [HFN Oct '16].

This should have been the simplest, swiftest review for me to undertake: I would simply drop the stereo version of the Audio Research Reference 160M [HFN Aug '18] into my system in place of the Reference 75SE. Double the number of KT150s and double the power, a price tag of two quid shy of twenty grand, fond memories of the monoblocks still tugging at me after 18 months: the Audio Research Reference 160S should have been a doddle, easy to anticipate. But it wasn't.

Large by phono preamp standards, PS Audio's Stellar Phono is built into the same full-width silver grey or black chassis as its partners in the new Stellar range [HFN Jan '20]. Nevertheless, it's also considerably heavier at a full 10kg because the casework here is steel, not alloy, perhaps in an effort to improve screening. Having asked PS Audio, it seems likely that all Stellars will move from alloy to steel enclosures in time.

Based in Silicon Valley, California, Jonathan Gullman and his brother Daniel have become major players on the international hi-fi scene, courtesy of their fine-sounding and technologically innovative range of MSB digital-to-analogue converters. For 15 years this team has turned out increasingly flexible products, and more recently the range has expanded to satisfy a wider group of potential customers.