Integrated Amplifiers

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Richard Stevenson & Paul Miller  |  Jun 08, 2010
I find it very odd that the M2 is the most technically advanced and subjectively successful digital amplifier yet to grace my listening room. Until recently, right now in fact, NAD was not a company likely to spring to mind for its cutting edge technical innovation. The brand saw me through my penniless student days with a host of hi-fi products that majored on simplicity, great value and a remarkable immunity to spilt beer. But the M2 is very different.
Review: Andrew Everard, Lab: Paul Miller  |  Sep 07, 2020
hfnoutstandingEver at the cutting edge of both analogue and digital Class D amplification, NAD's new M33 is the first to utilise Purifi's groundbreaking modules. All this and streaming too...

Launched last year, NAD's M10 all-in-one streaming system [HFN Jun '19] was remarkable in two ways. One was that this compact 'just add speakers' package was actually part of the brand's elite Masters Series, more usually populated by high-end DACs and amplifiers, while the other was that this little system, selling for around £2000, was exceptionally good, receiving a glowing review in HFN before going on to win a 2019-20 EISA award as Best Smart Amplifier.

Richard Stevenson & Paul Miller  |  Feb 06, 2009
I have a fondness for NAD. The brand has succeeded over the decades by creating products just a few degrees askew from those of everyone else; never following the herd but, equally, rarely radical. In two-channel audio this has often meant a stripped-down, fundamentalist approach with products having an appealing Bohemian quality. However, when it comes to multichannel AV, eschewing key technologies in favour of a ‘music-first’ approach could be a little too existential for its own good.
John Bamford and Paul Miller  |  Dec 16, 2011
In celebrating the company’s 60th anniversary Nagra’s specialist hi-fi division pays homage to the ‘king of tubes’, the timeless 300B triode, in a new stereo amplifier 'A key difference between consumer electronic components manufactured for hi-fi systems and professional products made for sound engineers is the fact that you can drag pro gear across a room by its mains lead without it breaking,’ quipped an industry veteran to me, way back when. Witticisms like that, noted during formative years, tend to remain embedded in one’s memory banks for life. As does the iconic Nagra marque. Think Nagra and you think Swiss precision engineering at its finest: electronics made for professionals.
Review: Andrew Everard, Lab: Paul Miller  |  Dec 09, 2019
hfncommendedNaim's latest version of its classic Nait amplifier features not only improved overall performance, but also a built-in phono stage. Whatever will they think of next?

While it could never hope to match the seemingly annual product replacement cycle of some mass-market brands – and nor, I suspect, would it care to – Naim still maintains a continuous programme of product development that goes on 'behind the scenes' of some of its more attention-grabbing launches. So while all the big news from Salisbury has concerned network-capable audio, as Naim rolls out its 'Future Platform' from the latest Uniti products to new ND-series network players [HFN Apr '19] and second-generation Mu-so models, in the background the company has been working on its core integrated amplifiers, the Nait series.

Review: Ken Kessler, Lab: Paul Miller  |  May 17, 2021
hfncommendedStalwart of Germany's single-ended tube scene, Octave Audio also produces hybrid and push-pull amplifiers, including the 'Class A' V70 integrated featured here

Which are you? The minimalist who wants an integrated valve amp bearing only clearly-labelled inputs, source selector, volume control and speaker terminals? Or do you prefer a 'fully loaded' device with total flexibility? The former is intuitive, and any experienced hi-fi user thinks of such units as virtually 'plug 'n' play'. Germany's 30-year-veteran brand Octave Audio has, in its V70 Class A, an amp that sits between both camps and yet I was compelled to digest its 36-page manual.

Review: Mark Craven, Lab: Paul Miller  |  Jan 18, 2021
hfnoutstandingThe typically modest, functional styling of this 'entry-level' mostly-Class A integrated amplifier belies its less-than-modest capabilities, with power and sound to spare...

There's something comforting about a product with a singular focus, and Pass Labs' INT-25 fits that bill. A line-only integrated, it steers clear of the digital inputs, network functionality and onboard phono stage offered by many competitors. Instead, it presents itself simply as a conduit between your source(s) and speakers, combining a FET-based preamp and Class A power amp and nothing else. If that sounds somewhat 'basic', Pass Labs' history and the amplifier's £7200 price tag should suggest it's anything but. As does its mastery of music – but I'm getting ahead of myself…

Review: Mark Craven, Lab: Paul Miller  |  Aug 09, 2021
hfncommendedDescribed as the 'sister brand' of solid-state stalwarts Audio Analogue, Pegaso has just one product and it's an all-tube integrated amplifier that claims Class A, all the way...

As a new arrival from Tuscany, Italy, and with just the P50A integrated amplifier in its inventory, it's possible you've not yet heard of Pegaso. On the other hand, many readers will be familiar with fellow Italian brand Audio Analogue [HFN Nov '20 & Feb '20], which has been in operation since the mid '90s. Both are stablemates sheltering under the umbrella of AF Group SRL (also the home of AirTech), and they share more than just a postcode.

Ken Kessler and Paul Miller  |  Jul 08, 2011
Upscale integrateds must be the ‘new black’: following Storm, EAR-Yoshino, Quad and others, the Audiant 80i is a charmer from Down Under – and with an onboard DAC too In its 37 years as an amplifier manufacturer, Perreaux has gone from its 22W/ch GS 2002 integrated debut product to eye-watering 750W monoblock powerhouses. Separate preamps, professional gear, D/A converters, CD players – it’s a full-line brand that’s maintained a global reputation despite the remoteness of a manufacturing base in New Zealand. Along the way, Perreaux was bitten by the MOSFET bug. Having decided not to go with valves as far back as 1974, due to the inconveniences of size, weight and heat, and not entirely happy with the sound of bipolar solid-state devices, MOSFETs seemed a godsend.
Review: Ken Kessler, Lab: Paul Miller  |  Apr 01, 2018
hfncommended.pngStill billed as 'The World's Most Powerful Integrated Amplifier', Perreaux's MOSFET flagship has been tickled-up with a new digital input module. And more power too...?

Side-by-side, you'd be forgiven for seeing no changes between the Perreaux Eloquence 255i integrated amplifier and the earlier 250i [HFN Aug '12]. Same rotary, same display, same number of buttons – even the price would leave you clueless, the six years between them inflating the £5695 of the earlier unit to £6895 in standard, line-level-only trim. Given the recent drop in the value of Sterling, that alone could account for the increase, so full marks to Perreaux.

Review: Tim Jarman, Lab: Paul Miller  |  Nov 15, 2022
hfnvintageFuss-free and highly affordable, this compact valve integrated was an early foray by the Dutch company into the '60s separates market. But how will it sound today?

How much power does your present amplifier produce? Expectations have risen over the years to the point that wattages in the three-figure range are no longer exceptional. But is this necessary? The Philips AG9016 seen here is rated at 2W per channel – not even sufficient to satisfy the fairly lax requirements of the DIN 45 500 'hi-fi' standard, which requires six watts.

Review: Tim Jarman, Lab: Paul Miller  |  Apr 27, 2020
hfnvintageMarketed by Philips yet made by Marantz, is this purposeful-looking integrated packed with premium components an unsung hero of hi-fi's past? It's time to find out...

Philips should have been a dominant player in the hi-fi arena, yet many of its products somehow missed the mark. Despite these repeated failures, every now and again the sleeping giant would wake from its slumbers and produce something miraculous – Compact Disc, Motional Feedback speakers – only to disappear until inspiration struck again.

Review: David Price, Lab: Paul Miller  |  Aug 01, 2018
hfnoutstanding.pngInspired by the success of its A-70 integrated from 2012, Pioneer has trickled down the tech and combined it with a new close-coupled PSU in this DAC-equipped budget amp

Having recently achieved the grand old age of 80 years, the Pioneer Corporation is rightly celebrating the fact. While some believe that all Japanese companies are the same – faceless consumer electronics giants with sprawling factories full of robots, making generic white goods – anyone who's lived in Japan knows this couldn't be further from the truth. In practice, each organisation has its distinct identity and corporate culture, going about things in its own special way.

Richard Stevenson & Paul Miller  |  Nov 06, 2009
Pioneer’s flagship Susano amplifier arrived amidst an unseasonable summer tempest that lashed the south of England with high winds and heavy rain. An auspicious start for an amplifier that derives its name from the ancient Japanese god of storms. Sadly, divine intervention didn’t go so far as helping me carry it to the listening room because it’s the size and weight of a small stone temple. The SC-LX90 is Pioneer’s statement of intent at the upper echelons of the AV amplifier market, sharing the same piano-black fascia and cosmetic cues as the company’s top-end plasma screens.
Ken Kessler & Paul Miller  |  Jul 06, 2009
Having played with a number of PrimaLuna ProLogue products, I’m safe in saying that each and every one represents astonishing value because 1) they’re made in China, but 2) to European standards. They single-handedly established and provided credibility for the lower entry-level price point for rock-solid valve products, and showed that China was ready to compete with the rest of the world in hardware manufacture, if the proper structure was applied. With DiaLogue, PrimaLuna is attacking the next price point, with the same vigour. That in itself should be enough to make the DiaLogue Two a fascinating prospect for those with up to £2000 to spend on amplification.

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