Elsewhere in the line-up is a £269 pair of THX-Dipole rear speakers. Their dipole design means they output sound from both sides of the cabinet, offering a more diffuse, enveloping surround performance than direct radiating speakers. Ideally, they should be mounted on the wall so that sound can radiate along it and make you feel truly surrounded.
(centre)”’The THX-D dipoles – designed to envelope you with audio”’(/centre)
The THX-Dipoles feature two reverse-facing silk dome tweeters and a 7in Crystal Fibre woofer, achieving a frequency response from 45Hz up to 22kHz. They also include electronic protection for the tweeters to prevent damage when listening at high volumes. And like all of the speakers in the system, there’s a pair of gold-plated binding posts on the back (the front pair boast two pairs for bi-wiring purposes).
(centre)”’Doubt you’ll squeeze the THX-CT centre speaker under your TV!”’(/centre)
On crucial dialogue duties is the THX-Centre Speaker (loving Crystal’s imaginative model names) which is THX Select certified and costs £149 when bought separately. It’s acoustically matched to the other speakers in the system and as such features the same Crystal Fibre woofer and free air tweeter. At 550 x 215 x 162mm it’s on the large side, so don’t expect to squeeze it into a tight space under your TV – this is a centre speaker for dedicated cinema rooms only.
(centre)”’The system’s THX-12SUB subwoofer is a biggun”’(/centre)
The subwoofer of choice is the £399 THX-12SUB, an absolute beast of a bass box that looks loud, never mind how it sounds. Despite its imposing dimensions (441mm high, 470mm deep) and back-breaking weight, the high gloss/black ash works a treat and makes it surprisingly stylish, particularly with the grille fitted. On the back is a volume dial, phase reverse switch and another switch that lets you alternate between THX Select and Variable modes.
On the inside is a mighty 200W amplifier and a 30.5cm long throw driver, which incorporates a light treated paper cone. Its THX Select certification means it’s primed for medium sized rooms up to 2,000 cubic feet in size with a listening distance of 10 to 12 feet from the screen, while its frequency range is quoted at 20 to 350Hz.
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