Loudspeakers

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Keith Howard  |  Aug 24, 2009
Along with the Spendor A6, Dynaudio’s Focus 220 – now in Mk II guise – is the most conservative looking speaker here. Whether you consider that a merit or demerit will depend on both your taste and your décor. Also like the Spendor it is a two-way, although in this case the soft dome tweeter is accompanied by twin bass-mid units operating in parallel. In common with all the other speakers here the 220 II is reflex loaded in the bass, with a port venting on the cabinet’s rear panel.
Keith Howard  |  Aug 24, 2009
Tallest and slimmest of the speakers here, Pioneer’s S-81 is also one of the boldest, both aesthetically and technically. Its curvaceous cabinet looks a million dollars in the supplied black lacquer finish (it is also available in ash veneer) and the narrow front baffle incorporates no fewer than five drive units, although the coaxial 130mm midrange driver and 25mm titanium dome tweeter share the same chassis. Pioneer has a long history of enabling and advocating high sampling rates and researching the effect of ultrasonic frequencies, and so – uniquely here – the S-81 incorporates a transformerless ribbon supertweeter with a response which is said to reach out to 100kHz. Twin 130mm woofers (effective diameter about 108mm) handle the bass in conjunction with a single forward-firing port.
Keith Howard  |  Aug 24, 2009
If you haven’t heard of PSB before it’s not because the company is a young one – it was established as long ago as 1972, when founder Paul Barton was still at high school. But PSB’s products, well respected in its native Canada and elsewhere in North America, are only now coming to our attention in the UK, with the Armour Group (responsible for NAD and many other brands) having been appointed UK distributor. As an emissary, the Synchrony One is impressive even given that it is the most expensive speaker in this test. Almost as tall as the Pioneer but broader, it also features five drivers but in a three-way configuration: a 25mm titanium dome tweeter, 102mm cone midrange and no fewer than three 165mm bass drivers (effective diameter about 153mm) positioned at the top, middle and bottom of the cabinet.
Keith Howard  |  Aug 24, 2009
As well as being the smallest speaker in this test, the Spendor A6 is also the simplest. Like the Dynaudio it is a two-way design but with only one bass-mid driver, not two. Spendor manufactures its own bass-mid units, this nominally 180mm version (effective cone diameter about 135mm) claiming low coloration and high power handling, its most eye-catching feature being that it has a transparent cone. Crossover to the soft dome tweeter is at 4kHz, and unusually is linear-phase.
Andy Whittle and Keith Howard  |  Aug 24, 2009
Vienna Acoustics was established in 1989 by Peter Gansterer in, believe it or not, Vienna. The city has some of the finest concert halls in the world, and may be considered as the birth-place of Classical (or Western Art) music. Peter lived in Vienna whilst studying acoustics… So no prizes for guessing how this ends up: a fine range of speakers named after classical composers, most of whom worked in Vienna. At the top of the Grand series is the Mahler, followed by the Beethoven Concert Grand, the Beethoven Baby Grand, the Mozart Grand and, finally, the Bach Grand.
Keith Howard  |  Jul 25, 2009
Let’s play a game of audio word association. If I say ‘Cabasse’, what’s your response? If it’s ‘What?’ because you’ve never heard of the French speaker manufacturer then shame on you. Its name may not be on everyone’s lips but Cabasse has been around a long time and even in not-always-Francophile UK the marque has staunch admirers. If you replied ‘Bizarre’ instead then that is both linguistically and technically nearer the mark.
Richard Stevenson and Keith Howard  |  Jul 25, 2009
I’m a sucker for a bit of extreme hi-fi, so how could I resist the UK’s first review of what is billed as the world’s most powerful domestic subwoofer. Velodyne’s DD-1812 Signature Edition is a 176kg beast with two 1250W Class D amps driving twin drivers in a true two-way configuration. Low frequency duties are split between a 12in carbon-laminate driver at the top and a whopping great 18in version for the really deep-down stuff south of approximately 35Hz. The name 1812 is a rather dull reference to the driver dimensions and not Tchaikovsky’s masterpiece of that year, which would have been so much more appealing given the piece’s famous low frequency thunder.
Keith Howard  |  Jun 25, 2009
Although German speaker manufacturer Audio Physic has had a low profile in the UK for some years, its name still has cachet here among those who remember its products with affection. Now back with a new distributor, C-Tech Audio, it is aiming to re-establish old friendships and forge new ones. Its three-driver, two-and-a-half-way Sitara is the new base member of its three-model High End range and does battle in the competitive market for £2000 floorstanders. The Sitara’s key visual feature is its tall, narrow cabinet which leans backwards at seven degrees to provide time delay compensation for the displaced acoustic centres of the tweeter and bass-mid driver.
Ed Selley  |  May 25, 2009
For readers whose knowledge of particle physics is as lamentable as mine, the muon is the name given to an important elementary particle and one that has a relatively extended lifetime of 2. 2µsec. Muons are difficult to create – something which unquestionably applies to these Ross Lovegrove designed KEFs too, whose superformed aluminium cabinet takes about 160 man-hours to manufacture the shining megaliths you see here. Numbers for the Muon are impressive even before you get to its £70,000 price tag (per pair).
Ken Kessler and Keith Howard  |  May 25, 2009
Who could have anticipated this even a year ago? One of the most beloved of all loudspeakers, the legendary BBC LS3/5A, was finished. Period. Stalwart fans of the product – Doug Stirling, for example – issued limited runs, but who could imagine that the speaker might suddenly reappear as a commercial venture? Well, it has. .
Ken Kessler and Keith Howard  |  Apr 24, 2009
Purists will never yield on the topic of full-range electrostatic vs hybrid. The reality is that ESLs need to be huge if they’re to deliver deep bass and high SPLs. So mazel tov to those who can house and afford, say, big Sound Labs. For the rest of us, hybrids are a sane compromise.
Steve Harris and Keith Howard  |  Apr 24, 2009
With the grille on, you’d guess that this was another classic British two-way speaker, though perhaps unusually well-finished. Beneath the black cloth, though, you will find just a single metal-cone driver. So is this a classic British one-way? That drive unit is the Jordan JX92, the work of a notable designer who has spent quite a big part of his long working life perfecting full-range units. Ted Jordan first heard a GEC 8in metal cone while working in the company’s radio lab in the very early 1950s.
Keith Howard  |  Apr 24, 2009
Smallest of Leema Acoustics’ six-model speaker range, the Xero really is tiny at just 220x140x205mm (hwd), its front baffle having only about half the area of this magazine’s front cover. The moulding that houses the two pairs of input sockets for the split crossover occupies much of the rear panel, with just room for a small reflex port beneath, while the minuscule bass-mid driver at the front has an effective diameter of only about 80mm – little more than three inches. So this is a speaker for people with small listening rooms or who insist on their speakers having the smallest possible footprint. To this end the Xero can be wall mounted although for best sound its manufacturer rightly recommends using sturdy floor stands.
Andy Whittle and Keith Howard  |  Apr 24, 2009
The latest range from Tannoy is the new Revolution Signature series, a comprehensive line of speakers that can be configured to make up a full AV system, minus an active sub. Alternatively the front pairs alone can be used separately in a high-quality two-channel system. Under scrutiny here is the DC6 T, an elegant three-way floorstander, employing twin six-inch woofers with edgewound coils. A pair will cost you £1000 in either of the light oak or espresso finishes available.
Ken Kessler and Keith Howard  |  Mar 25, 2009
Has it really been more than 20 years since Acoustic Energy bridged the worlds of professional studio monitoring and domestic audio? Back in ’88, the former regarded the latter in the way that, say, Labour regards fiscal responsibility. AE was having none of it, and produced a classy, compact two-way monitor of true studio merit, sort of a UK answer to Wilson’s WATT. Given its diminuitive stature, most noteworthy was the AE1’s prodigious bass. Rear-ported and boasting a still-radical metal mid/bass driver, it begged to be positioned away from walls on solid 24in stands.

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