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CMS 1201 : Common Sense in a Can


Tannoy set to unveil latest addition to CMS in-ceiling range at InfoComm 2010

(5th May 2010 – Coatbridge, Scotland) The CMS 1201DC is a powerful state-of-the-art large format in-ceiling loudspeaker device conceived, designed and built by Tannoy to complement its existing class-leading CMS (Ceiling Monitor System) range. Engineered from the outset with superior full-range performance in mind to handle demanding distributed sound applications such as ballrooms, shopping malls, sports halls, airports and other high ceiling installations; the CMS 1201 represents the cutting edge of Tannoy’s expertise in ceiling mounted loudspeaker technology.

Power. Clarity. Control.

Built around a brand new evolution of the high power handling (400W rec. power) 12″ (305mm) Dual Concentric™ point source driver, the CMS 1201DC delivers best-in-class performance where clarity, directivity and low distortion, high SPL output are concerned – right across the audible bandwidth. The new Dual Concentric drive assembly features a treated mid-bass cone and double rolled cambric surround for high sensitivity, as well as a 1.34″ (34mm) aluminium dome with ferrofluid cooled Neodymium magnet assembly and a newly designed waveguide for the high frequency unit. These two drivers are properly merged into one with the high frequency mounted in the throat of the mid-bass; therefore coincidentally aligning both transducers to a point source. The result is a smooth, uniform response over a wide but tightly controlled 90 degree coverage area – even at higher frequencies.

Performs with Ease.

Achieving new standards of coverage control across the full bandwidth means that the CMS 1201DC can be specified in distributed designs with absolute confidence and located as efficiently as possible, minimising the number of devices typically required to cover a given area and thus reducing install time and of course cost. Specifying the CMS 1201DC into a design for virtually any application is made remarkably simple usingEASE Address, the unique design verification software package, which is available free on the Tannoy website. The software package enables system designers to accurately position, model and confirm ceiling distributed speaker systems utilising Tannoy loudspeaker products.

Redefining the benchmark of acoustic performance is only half of the CMS 1201’s story however. As a result of Tannoy’s continuing efforts to listen and respond to the specific needs of consultants, integrators and contractors, the CMS 1201DC delivers on the key demands for versatility, ease of installation, and long-term continuous reliability.

Versatile back-can design.

Each device comprises of 3 discrete elements: the loudspeaker driver assembly (mounted on ported steel baffle), a separate (2.78 cubic feet, 78.8 Litre) steel back-can with multiple mounting points and an architecturally sensitive white powder-coated steel grille and moulded bevel cover.

The custom engineered powder coated steel back-can has been designed to cater for all conceivable installation possibilities making the CMS 1201DC extremely versatile. Internally dampened with 11m OSB2 board, the addition of the back-can provides exceptional low frequency performance on a par with conventional wooden enclosure loudspeakers – but from an in-ceiling format. Steel mounting lugs allow for fitting to a unistrut roof rail system in a variety of configurations both directly or via secondary prefixed cross struts. The device can also be hung via 4 top-mounted eye bolts or as a further alternative, the design also caters for a single point central hang via M10 or 3/8 UNC screwed rod – made easy thanks to the slotted mounting saddle on the top of the back-can.

Mounting of the loudspeaker assembly to the pre-installed back-can is a one man job thanks to the common sense design approach, where one edge of the baffle clips onto the steel box to hold it in place while the installer secures the assembly in place. Connection is simple via terminal barrier strips inside the can, easily accessible via 20mm and 29mm conduit knockouts on all 5 sides of the can. Saving time and man-power during installation has been a driving factor behind the design of the CMS 1201 system.

As a final note on flexibility, the CMS 1201 is available in both a standard low-impedance variant (CMS1201DC) and a low insertion loss 60W line transformer-equipped version (CMS 1201DCt) for use on 70V or 100V distributed lines. The following tappings are configurable on the transformer before screwing driver assembly into the back can:
70V systems: 60W / 30W / 15W / 7.5W / OFF
100V systems: 60W / 30W / 15W / OFF
If later adjustment to the tapping is required the baffle can be hung from the can via a hinged edge, leaving both hands free to make the required adjustment.

Tannoy’s focus on maintaining the highest standards of continuous product performance and reliability, through uncompromising quality control of components and manufacturing processes, means you can specify and install CMS 1201DC with confidence. As with all of Tannoy’s CMS in-ceiling loudspeakers, the CMS 1201DC benefits from a 5-year warranty.

See and hear the CMS 1201DC for the first time at InfoComm 2010 in Las Vegas, Demo Room N109.


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May 2010
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