Loudspeakers

When you're designing a loudspeaker that sells upwards of £38,000, depending on finish, you can pretty much do what you like. Brands selling sub-thousand pound floorstanders have a super-keen eye on what their competitors are doing, and what the market wants. By the time you reach the Raidho Acoustics D-2.1's level, however, you're in a whole new world – it's where designers spread their wings and fly.

Getting big bass from a loudspeaker, many think, requires huge drivers able to shift a lot of air. However, big drivers mean big cabinets to house them, and both skill in their tuning as well as capacity on the part of the amplifier. The former, at least, is something Danish company Raidho has clearly got under control with its X2t, although these £12,500-per-pair floorstanders opt for 135mm bass drivers – one covering bass/mid up to 3.5kHz, the other purely bass to 140Hz – for a slender form factor. The cabinet is just 143mm wide, and the whole speaker only 300mm wide including its aluminium outrigger feet, of which more later.

They clearly don't believe in sitting on their hands at Revel as the Performa3 M106 and F208 speakers have recently been subject to wholesale revitalisation, creating the PerformaBe range, said to 'redefine performance expectations'. Comprising the £4000 M126Be standmount/bookshelf speaker and the £10,000 F228Be we have here, the new models are available in a choice of high-gloss piano black, white, American walnut or metallic silver and, while the use of ceramic-coated drivers is familiar Harman/Revel fare, the new talking point is a beryllium dome tweeter.

Named after the Maine town where it started in 1984, although now based down the coast in South Thomaston, Rockport Technologies has been known by audiophiles since the 1990s as a manufacturer of high-end – and heavyweight – loudspeakers. The Orion floorstander tested here is no exception, weighing 163kg per piece and selling for £165,000. Suffice to say, it’s a far cry from the early sub/sat systems of chief designer Andy Payor...

The BBC’s outside broadcast engineers often have to work in cramped conditions, for example in OB vans, where the steady proliferation of equipment puts cunning stowage, tidy habits, and a strict diet for the occupants at a distinct premium. Studio monitor loudspeakers are particularly difficult to locate sensibly in these circumstances, and the design aim behind the LS3/5a was the provision of a small but high quality monitor.

Take a look at these Scansonic floorstanders, and you'll notice they look big and impressive, especially for speakers selling for a sensible £1499 in very on-trend black or white silk finishes. But don't let our photographs of the M20 fool you for those mid/bass drivers are just 10cm in diameter – or four inches in old money – and the baffle a few cm wider still. Recalibrate your view based on those figures, and you'll realise these speakers are well short of a metre tall – 93.5cm, in fact – and that, if not quite knee-high to a grasshopper, means these aren't what you'd call 'room-dominating'.