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T+A Criterion TCD 310 S
T+A Criterion TCD 310 S


 
List Price: $8,000.00
Our Price: $8,000.00
Collection/Series CRITERION TCD


Availability:: Usually Ships in 24 to 72 Hours
Product Code: 24SP-TACRITERIONTCD310S
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Description TECHNICAL SPECS
 
The TCD 310 S is the smallest floor-stander in the TCD series, although it extends to a good metre high, so it is not really small. It is of very similar construction to the TCD 210 S; just the mid-range and bass units are slightly smaller. The TCD 310 S is another fully developed transmission-line floor-standing speaker with a very long line. Two 17 cm bass units with low free air resonance are accurately tuned to the transmission line, and their extremely hard, embossed carbon cones generate very deep, accurate bass at high pressure.Two 15 cm mid-range units and the Waveguide high-frequency dome form an acoustic unit which we have designated CD - Constant Directivity.
The mid-range units are ingenious designs which effortlessly cover the full vocal range from 250 to 2000 Hz, and their dynamic, lively nature creates an amazingly natural sound. The use of two mid-range drivers helps to optimise the speakers' radiation characteristics as well as dramatically increasing their ability to handle high levels, because the excursion and power handling required of each individual driver are halved.The same superb drive units are also employed in our SOLITAIRE® CWT 2000 speaker. The woven dome handles even the most severe dynamic peaks in a fast, airy manner, without any trace of hardness or sharpness. On the one hand the large Waveguide perfectly links the unit's radiation characteristics to those of the mid-range drivers, and at the same time causes a timing delay in the tweeter response, providing a further improvement in transitional behaviour.The TCD 310 S is fitted with a sophisticated double-sided three-way crossover unit (FSR). The circuit effortlessly processes even the highest signal levels, and ensures that the three frequency ranges are matched perfectly to the drive units. The impressive imaging and radiation qualities over the full frequency range are directly due to the design of this cross-over unit. The curved cabinets offer more than just an elegant appearance - their construction provides enormous rigidity and strength: the side panels are bonded permanently to the inner case and the internal sound guides of the long transmission line. These measures helped to achieve even greater dynamic range and higher pressure in the extreme bass.
When the parameters of a transmission line are correctly chosen, the result is a combination of effective damping of the free air resonance of the drive units and a considerable gain in sound pressure at low frequencies. The resonance frequency of the line and that of the bass driver must coincide exactly in order to achieve optimum cone excursion and transient characteristics. This requirement calls for a major investment in the design of the drivers and cabinets, especially with the very low tuning which we achieve. The cones feature an impressed stiffening texture which prevents distortion even at very high acceleration and level. The low-profile surround provides accurate cone excursion and permits greatly extended throws. The result is that the speaker is capable of generating tremendously deep, dynamic and clean bass which is unique for this size of cabinet.
The dynamic requirements on the mid-range drive units are very high, since the high-frequency drivers and bass units display superb characteristics. For this reason the mid-range drivers of the TCD 310 S are amongst the most sophisticated available today. The outstanding features of these superb units are an enormous magnet of sophisticated design, a large coil, a cone with embossed stiffening patterns for effective damping, and a modern pressure-cast aluminium basket They boast perfect radiation characteristics and handle the full vocal range without any hint of coloration; they have already proved superb in our High-End SOLITAIRE® CWT 2000 loudspeaker!

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