Integrated Amplifiers

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Review: Mark Craven, Lab: Paul Miller  |  Jan 13, 2022
hfnoutstandingGuided by theory and practice from the costly REX-series, traditional output pentodes are usurped by a pair of power triodes in BAT's fully-balanced tube integrated amplifier

There's a certain amount of extra-curricular activity that can come with using a valve amp. As with their fellow stalwarts of hi-fi – turntables – valve amps present opportunities for setup, tweaking, and maintenance, and for some that's part of the appeal. Balanced Audio Technology's new £9995 VK-80i integrated, however, is intended to be 'plug-and-play', and provide a user experience more in line with its own solid-state models than some hot bottle contemporaries. All the thrills of the tube sound without the fuss? Where do I sign?

Review: James Parker, Lab: Paul Miller  |  Jan 10, 2022
hfncommendedThe latest all-in-one compact Class D streaming system from the German company features an enhanced network audio platform – but that's only the start of its appeal

As the model designation suggests, this isn't the first all-in-one network audio system from German high-end company AVM. Replacing its existing Inspiration CS 2.2 model, the new Inspiration CS 2.3, selling for £5250 in black or silver finishes, with a chrome 'Cellini' finish available as a somewhat glitzy extra-cost option, is based around the company's latest streaming platform.

Review: James Parker, Lab: Paul Miller  |  Dec 16, 2021
hfnoutstandingThis London-based company may be a relative latecomer to the all-in-one streaming system market, but its debut models have style a-plenty – and performance to match

Given Cambridge Audio's track record in digital audio, it is perhaps a little surprising it's taken the company so long to enter the network systems arena. It was an early developer of add-on DACs in 1994 [see HFN Jun '21] and has been making streaming components for a good while, even going to the lengths of developing its own network audio hardware. The Cambridge catalogue currently caters for 'computer audio' enthusiasts with the entry-level £169 DacMagic 100 right up to the £4499 Edge NQ network preamp.

Review: David Price, Lab: Paul Miller  |  Dec 09, 2021
hfncommendedThe artisan of high-end tube audio, Jadis, has imbued more than a little Gallic flair into this 'entry level' integrated. Serve with sensitive speakers for a taste of magic...

Until the mid-1990s, valve amplifiers were typically persona non grata. The '80s had been all about solid-state – from tweaky low-powered integrateds to mega powerful monster power amps – and tubes didn't so much as get a look in. By the turn of the millennium however, the pendulum had swung back and tube amps were reinvented as exclusive objects of luxury and desire, famed for their sweet and satisfying sound. How times change!

Review: Ken Kessler, Lab: Paul Miller  |  Dec 06, 2021
hfnoutstandingExposure returns to its roots with a full-width integrated inspired by the improved circuit design of the recent 5010 monoblock power amps. Does 'old school' still cut it?

Nostalgia doesn't come any better than this: an integrated amplifier that looks like it escaped from the 1980s, all minimalist and line-level and 440mm wide. But Exposure has been around for close to 50 years, so this isn't some exercise in retro from an arriviste brand with cod heritage. Rather, the 3510 is a device for reminding people like me of (hi-fi) life in simpler times.

Review: Andrew Everard, Lab: Paul Miller  |  Nov 15, 2021
hfnoutstandingOriginally inspired by Class D maven Bruno Putzys, the innovative Mola-Mola brand returns with a fully integrated version of its separate amp, DAC and phono technologies

Never judge a book by its cover… or an amplifier by its industrial design. Take the Kula integrated amplifier from Groningen-based Mola-Mola – at first glance you may raise an eyebrow at this relatively compact, if solidly-built and undeniably stylish, integrated amplifier's £9900 price-tag. Then, complete with optional onboard DAC (£5999) and £1799 MM/MC phono stage, it adds up to just under £17,700 – well, that should raise the other brow into an expression of some shock.

Review: Tim Jarman, Lab: Paul Miller  |  Oct 21, 2021
hfnvintageWith its four-channel amp and on-board SQ decoder, this '70s receiver was the lynchpin in what was arguably the most leading-edge quadraphonic system of its time...

The era of quadraphonic sound was not the hi-fi industry's finest. Appearing around 1973 but moribund by 1978, quadraphonic was the first big marketing failure by a sector that had so far enjoyed unalloyed success in convincing the public to buy into its latest developments. Confusing advertising, a damaging format war and a lack of consumer demand all played their part in the downfall of a concept which, at its peak, had been hailed as the future.

Review: Mark Craven, Lab: Paul Miller  |  Oct 14, 2021
hfnoutstandingPromising 'extraordinary power with exquisite tube finesse' BAT's new VK-3500 integrated marries the brand's REX 3 triode preamp with a robust solid-state output

Please indulge me while I discuss the design of BAT's (Balanced Audio Technology) VK-3500 amplifier. Beauty is in the eye of the beholder, and all that, but I'd be surprised to find anyone who didn't admire the styling of this hybrid integrated. Even without the 'BAT' logo conjuring images of Gotham City's caped crusader, it has a purposeful, high-quality look and feel. There's an argument that the appearance of a hi-fi product is unimportant, but at this price you expect some attention to detail and craftsmanship – and that's what you get. Of the silver and black finish options, the latter is the obvious choice if you really want to emphasise the Dark Knight vibe…

Review: Ken Kessler, Lab: Paul Miller  |  Sep 20, 2021
hfnoutstandingHot on the heels of VAC's flagship separates stack on our March '21 cover comes the more affordable derivative, the integrated VAC Sigma 170i – is it a true Mini-Me?

If I wasn't averse to tattoos, I'd have one that says, 'Always Read The Owner's Manual First'. I spent so much time trying to illuminate the VAC Sigma 170i's iQ warning lights that I was wondering if the review sample was a dud. Doh: in this application, the £10,000 single-chassis alternative to the Signature stack [HFN Mar '21], they don't light up at switch-on. Here they only work when something is amiss. Blast it! I never did see them in action.

Review: Andrew Everard, Lab: Paul Miller  |  Aug 19, 2021
hfncommendedTop integrated in Rotel's flagship Michi series leverages much of the P5 preamp and S5 power amp technology to realise a taller, heavier amp that aims to upstage the X3

Expect the unexpected: it will be the first lesson in the book if I ever get round to writing Hi-Fi Reviewing For Dummies. You see, just because something seems like something else, it doesn't follow that it is... Too many times I've stumbled across a speaker sitting in the middle of a range, and apparently using the same recipe of drive-units, that turns out to be a complete outlier – for good or bad – in the way it plays music. The same happens with amplifiers, too. So, just because one model seems little more than a bigger version of another, don't expect it to have the same kind of balance of qualities, only 'more so'.

Review: James Parker, Lab: Paul Miller  |  Aug 12, 2021
hfncommendedHaving nailed the whole 'one box system with built-in speakers' category, T+A now shifts tack to a 'just add speakers' unit. It's on-trend, and with substance to match the style

Are we downsizing, simplifying, or just looking for more from less? Whatever the reasons, it seems the one-box system, to which one only needs add some speakers, is in the ascendant. There's no denying a movement is growing, with everything from 'more integrated' amps complete with onboard streaming through to complete systems such as the NAD M10/M33 [HFN Jun '19 & Aug '20], Naim's Uniti range [HFN Mar '11 & Nov '17] – which was in the vanguard of this trend back in 2009 – and the recently-announced Cambridge Audio Evo models [News, HFN Jun '21].

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.

Review: Mark Craven, Lab: Paul Miller  |  Jul 22, 2021
hfnoutstandingDanish brand Copland beefs-up the power supply to its all-singing, all-dancing CSA100, crowning its range of tube hybrid integrated amplifiers with this heavyweight model

Not long into my audition of Copland's CSA150, I began to feel a little annoyed that, at some point, I'd have to unplug it and send it back. Reviewer remorse isn't quite as galling as buyer remorse, but it is still 'a thing', and this £4988 hybrid tube integrated had given me a bad case of it. Hybrid? Yes, for the CSA150 looks to be an upscaled CSA100 [HFN Aug '20] combining a 6922 double-triode and solid-state FETs in its preamp stage, driving a bipolar transistor amplifier output. Perhaps keen to avoid overselling the benefits of this architecture, Copland warns buyers not to expect 'the warm and nice, coloured charm of some older tube designs'.

Review: Andrew Everard, Lab: Paul Miller  |  Jun 17, 2021
hfnoutstandingSeven years after Yamaha moved into high-end price points with a flagship, all-analogue integrated we look at its latest offering and discover 'retro' with 21st century sound

Big, bold and unashamedly old-school with its silver finish – black is available as an option – polished piano black side panels and large illuminated meters, the £4999 Yamaha A-S3200 is the flagship of the brand's integrated amplifier range, which kicks off with the modest £200 A-S201.

Review: Tim Jarman, Lab: Paul Miller  |  Jun 11, 2021
hfnvintageAs Lexus is to Toyota, so was Aurex to general CE brand Toshiba. We reappraise the SB-A10 – compact but full-featured, was this miniature hi-fi at its very best?

In previous vintage reviews we have featured the Technics SL-10 turntable [HFN Apr '19] with its footprint the size of an LP sleeve, Sony's D-88 CD player [HFN Jul '16] that was so small the disc stuck out of its side, and Technics' SB-F1 speakers [HFN May '17], which individually could be held easily in the palm of one's hand. So how about a complete integrated amp about the same size as the concise edition of the Oxford English Dictionary? Meet the Aurex SB-A10 from 1981.

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