Integrated Amplifiers

Integrated amplifiers are ten a penny, but not when you get into five figures. Often, at this point, consumers and manufacturers pivot toward pre/power systems, pursuing gains in performance and functionality in favour of the simplicity that comes from a one-box design. Yet high-end integrateds do exist, as illustrated by the Diablo 333, starting at £24,500, from Denmark-based Gryphon Audio.

There’s an easy way to understand the hierarchy of amps in the Hegel catalogue, be they pre, power or integrated. The higher the number, the ‘better’ the specification (you might think this would be the only way to go about it, but some rival companies – I’m looking at you, HiFi Rose – beg to differ). And so it is that the Norwegian manufacturer’s new H150 integrated, priced £2750, takes up a middle-of-the-range position, above the entry-level H95 [HFN Oct ’20], and below the H190v, H400 [HFN Oct ’24] and H600 [HFN Oct ’23].

With the H600’s streaming/DAC platform at its heart the new H400 – dubbed the ‘Streamliner’ by Hegel – looks set to take over as the sweet spot of the range

When Hegel’s reference H600 integrated amplifier [HFN Oct ’23] arrived to replace the H590 [HFN Oct ’18] last summer, it didn’t require much insight into the hi-fi industry to guess that the H390 [HFN Aug ’19] would also be marching in the general direction of the exit soon enough. It’s taken a year, though, before the replacement H400 – aka the ‘Streamliner’ – eventually pulled into port.

Say what you will about HiFi Rose, the fledgling brand hailing from Seoul in South Korea, it sure knows how to capture the attention of audiophiles. First by launching remarkable do-it-all streaming players featuring huge touchscreens and options galore, and now this 'steampunk' integrated amp which left Internet forums speechless for about 15 seconds. Quite an achievement in this day and age... and those pundits hadn't yet seen the baffling rear of the RA180 with its sixteen loudspeaker terminals!

One of the great advantages offered by network-capable audio hardware is that, once a platform has been designed, it can be rolled out across a number of products, re-purposed and scaled depending on the target market. We've seen the same from brands as diverse as AVM [HFN Dec '21], Cambridge Audio [HFN Nov '21] and Naim [HFN Aug '21], and now recent arrival HiFi Rose is following the same path with high-end players designed to be used in existing systems all the way through to one-box soundbar set-ups.

Who'd have believed that the world would be awash with affordable valve amps in the 2020s? Certainly not those who recall the desperation of trying to source fresh tubes during the era when solid-state ruled and valves were yet to make a comeback. But now the choice is so vast that you can look beyond nursing vintage Leaks or Quads, with the risks that entails. Arguably the doyen of affordable valve amps is Icon Audio, its latest the absurdly cost-effective integrated Stereo (ST) 40 MkIV 6L6, starting at £2200.

The single-ended valve amplifier is still something of a niche product. Low power outputs and often equally low damping factors mean that very careful system matching, plus sensitive loudspeakers, are a prerequisite if you are to hear such designs give of their very best. However, the UK's very own guru of all things thermionic, David Shaw of Icon Audio, has decided to address these issues with his £2299 single-ended Stereo ST30SE, an integrated amp having, shall we say, a tad more welly, thanks to it being equipped with KT150 output valves.