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d&b Ts Off with Extreme Contrasts in Colour and Size at Prolight+Sound
d&b at this year's prolight+sound presented some revolutionary new products on a visually striking new stand, contrasting pure white with a splash of colour against their infamous black boxes. The extremes of the new products presented came in the form of d&b's T-Series that offers two different loudspeaker technologies in one tiny package: it is d&b's smallest line array as well as effortlessly transforming into a standalone point source system; their highly colourful E-Series installation loudspeakers and at the other end of the spectrum their recently launched cardioid J-INFRA subwoofer that extends the performance of the popular J-Series system down to 27 Hz.
The T10 loudspeaker is a passive 2-way design that houses two 6.5" neodymium LF drivers positioned in a dipolar arrangement and a 1.4" exit HF compression driver that is fitted to a unique waveguide horn. This produces vertical line source directivity with a horizontal pattern that is maintained down to approximately 600 Hz. An acoustic lens placed in front of the 90°horn widens horizontal dispersion to 105°; rotation of the horn by 90° relative to this produces an accurate point source dispersion transforming a vertically oriented T10 into a stand-alone full range loudspeaker with 90° horizontal and 35° vertical directivity pattern. The horn can easily be rotated from outside the loudspeaker without tools or removing the front grill, which is achieved through apertures in the cabinet sides allowing rotation to both the line and point source positions. The T-SUB is a high excursion subwoofer with a15" driver and shares the same width and integrated rigging fittings as the T10 for deployment either flown at the top of a T10 array, in a separate column or it can also be ground stacked. The T-Series system can be driven by either the d&b D6 or D12 dual channel amplifiers providing two different power ranges. When driven by the D12 amplifier the T-SUB is able to employ d&b SenseDrive technology.
The cardioid J-INFRA subwoofer in contrast is not only large but deep and is tuned to fit perfectly below the J subwoofer in terms of phase, sound and impact. It is an actively driven 2-way bass-reflex design housing three long excursion neodymium 21" drivers of which two face to the front while the other radiates to the rear of the cabinet. The two forward facing drivers are housed together in a bass reflex chamber and are driven from a single channel of the D12 amplifier. The backward facing driver is in a second chamber and is driven by the other D12 channel. Through this driver setup its cardioid dispersion pattern avoids unwanted energy behind the system and greatly reduces the reverberant field at low frequencies providing highest accuracy in low frequency reproduction. The hypercardioid mode in the D12 amplifier optimises the tuning of front and rear channels for a maximum rejection at the left and right sides behind the cabinet.
"Response to our new products at this year's prolight+sound has been exceptional", said d&b's Marketing Director Simon Johnston. "It has confirmed what we always believed; giving users flexibility without compromise to quality is essential. Ease of use was a key motivator in our development of the T-Series; the sheer versatility of a cabinet that can quickly be re-oriented from line source to point source is truly innovative. The T-Series ticks all the right boxes with the variety of coverage formats available from a single box. People may be sensibly cautious in the current climate, but that hasn't prevented them getting excited; T in particular is proving to be a product of its time."
7th April 2009
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