Pre/Power Amplifiers

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Review: Ken Kessler, Lab: Paul Miller  |  Apr 02, 2021
hfnoutstandingSteeped in valve lore, this iconic tube brand extends the 'voicing' of its products right down to the choice of passive components and hand-wiring. We test a stack of VAC!

With the Valve Amplification Company, aka VAC, now 30 years old, it qualifies as a stalwart of the 'third wave'. The first was, of course, the original golden age generation of Marantz, Quad, McIntosh and others of the 1940s and 1950s, while the second wave hit in the early 1970s with Audio Research, EAR and other tube revivalists. VAC arrived at the point when tubes were demonstrably here to stay, Kevin Hayes founding the company with his father in 1990. He was, and remains, resolutely focused on the high-end, as this pairing's £69,000 cost attests.

Ken Kessler  |  Apr 26, 2019  |  First Published: Aug 01, 1989
Few specialist Japanese valve amps ever leave Honshu, so as the Air Tight ATC-1 and ATM-1 finally hit British shores, Ken Kessler is on standby...

For the past four years, I've been waiting impatiently for a stab at the electronics from Air Tight. I admit that the charm of the name, the absolute perfection of that moniker for a brand of valve amplifiers, caught my attention as much as did the obviously exquisite manufacture. The price, too, appealed, considering that these amplifiers promised peerless construction and attention to detail you just don't find this side west of a Jadis. At last there's a UK importer, so my wait is over.

Ken Kessler  |  Apr 24, 2020  |  First Published: Apr 24, 1986
hfnvintageKen Kessler takes delivery of the Audio Research SP-11 preamplifier

The time is early June, and let us imagine that this issue has been on the stands for two weeks. Editorial secretary Jennifer Scotland walks to where I am sitting and dumps a pile of letters on my desk. The angry correspondence has arrived.

Review: Andrew Everard, Lab: Paul Miller  |  Jul 21, 2024  |  First Published: Jul 20, 2024
hfnoutstandingHailing from the shores of Lake Constance in Germany, Violectric offers a wide range of headphone and combined DAC/headphone preamps. We dip our toes into its waters...

The Violectric name may be new to you, as it was to me, but behind the brand is a company getting on for four decades in business, principally in the pro audio field, where it operates under the rather unusual moniker of Lake People – inspired by the company’s location in the Lake Constance region of Germany. Like many an audio brand from that country, the company designs and manufactures its products in-house, and is proud of the ‘Made in Germany’ label.

Hi-Fi News Staff  |  Jan 20, 2015
User-friendly features are a major aspect of the current VTL Signature Series, including the power amp reviewed here. Based on four 6550 output tubes per channel, it has newly-designed output transformers, a larger power supply, and the Signature Series control electronics. When running, the tubes can be seen discreetly glowing through the smoked glass front window. (Our sample was fitted with KT88s, an option that adds £200 to the price.
Review: Adam Smith, Lab: Paul Miller  |  Jan 08, 2021
hfnvintageWith VFETs costing top dollar and facing stiff competition from other semiconductors, the late '70s saw Yamaha unveil a new pre/power amp duo. How does it sound today?

It's always intriguing to see how a company reacts to the realisation that a technology it has championed is reaching its sell-by date. This was the situation faced by Yamaha in the late 1970s. Since the middle of that decade, its top-end products had made use of Jun-ichi Nishizawa's Static Induction Transistor – more commonly known as the VFET – to great effect. This led to the development of designs such as the B-1 and B-2 power amplifiers, and C-1 preamplifier, all of which are still held in high regard.

Review: Adam Smith, Lab: Paul Miller  |  Sep 24, 2020
hfncommendedMasters of retro chic, Yamaha has evolved its one-time flagship A-S3000 integrated amplifier into a fully-fledged pre/power. And there's not a digital input in sight...

Talk to audiophiles that grew up through the 1990s and the chances are they associate brands such as Sony, Yamaha, Onkyo, Pioneer and Denon with meaty AV receivers and, possibly, mini systems. The reason is that it was around this time that the major Japanese corporations began directing their energies into developing products for the burgeoning home cinema market, meaning these younger hi-fi enthusiasts never really saw them flex their design muscles in the stereo arena.

Review: Andrew Everard, Lab: Paul Miller  |  May 01, 2018
hfncommended.pngCombining simplicity with flexibility, this pre/power combination from one of the best-known names in French hi-fi has much to offer – including the odd quirky feature...

Like some other French audio companies, Yves-Bernard André's eponymous brand has hovered on the periphery of UK hi-fi enthusiasts' perception. But the company has been on a mission to change all that, taking a more global view with a lineup extending to no fewer than five product ranges. The Passion models, represented here by the £6750 PRE550A preamp and £5750 AMP650 power amp, sit near the top of the pile.

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