TANNOY CMS 501DC Ceiling Monitor System


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Tannoy's CMS 501DC Ceiling Monitor System builds on the strengths and practicality of the CMS 501, incorporating Tannoy's Dual Concentric driver technology for superior performance with music and speech reproduction. This point source, constant directivity drive unit comprises a 130mm (5.00") multi fibre paper pulp mid bass cone and a 19mm (0.75") ferrofluid cooled, titanium dome HF unit with neodymium magnet system. The WideBand high frequency unit in the Dual ensures that the CMS 501DC delivers exceptionally detailed and open sound stage for unrivalled intelligibility. Extending the bandwidth gives percussive sounds more reality and impact, with vocals and instruments clearly more separate and distinct.

The inclusion of a premium quality 30W low insertion loss multi-tap transformer, for distributed-line operation, provides high system sensitivity, wide bandwidth and exceptional dynamic range. With a frequency range of 74Hz-54kHz, continuous program power capacity of 120Watts and sensitivity of 88dB/Watt, the CMS 501DC is perfect for medium sized room installation that demand highly accurate, articulate and musical sound.

The CMS 501DC is available as Blind Mount and Pre-Install variant without transformer, with or without an integrated zinc-plated steel back can, and includes features such as recessed termination box, removable locking connector with screw terminals and a strain relief clamp for use with plenum rated cable or conduit. Spring loaded self-aligning clamps make for quick and easy installation, while all models are supplied with two tile support rails and one C-ring.

SYSTEM
Frequency Response (-3dB) (1) BM Back can 85Hz - 50kHz
Frequency Range (-10dB) (1) BM Back can 74Hz - 54kHz
Frequency Range (-10dB) (1) PI Back can 70Hz - 54kHz
System Sensitivity (1W @1m) (2) 89dB (1W = 2.83V for 8 Ohms)
Nominal Coverage Angle 90 degrees conical
Coverage Angle (1kHz to 6kHz) 109 degrees
Directivity Factor (Q) 5.9 averaged 1kHz to 6kHz
Directivity Factor (Q) 5.9 averaged 1kHz to 6kHz
Directivity Index (DI) 6.9 averaged 1kHz to 6kHz
Directivity Index (DI) 6.9 averaged 1kHz to 6kHz
Rated Maximum SPL Average: 107dB Peak: 113dB
Power Handling (3) Average: 60W Programme: 120W Peak: 240W
Recommended Amplifier Power 120W @ 8 Ohms
Nominal Impedance 8 Ohms
Transformer Taps (via front rotary switch)70V: 30W / 15W / 7.5W / 3.75W / OFF & low impedance operation 100V: 30W / 15W / 7.5W / OFF & low impedance operation
Crossover 2kHz - 2nd order LF, 2nd order HF (with dynamic HF protection)
TRANSDUCERS
Low Frequency 130mm (5.00") Dual Concentricâ„¢ constant directivity driver with multi fibre paper pulp cone
High Frequency 19mm (0.75") titanium dome with neodymium magnet system
PHYSICAL
Back Can OptionsBlind Mount (BM): Complete with fixed back can Pre Install (PI): Separate back can for pre installation
Cable Entry Options Cable clamp & squeeze connector for conduit up to 22mm
Conduit Knockouts 3 Sets of horizontal positions: 19 / 22 / 28mm (0.75” / 0.87” / 1.10”)
Enclosure Back Can: Zinc plated steel Baffle: Reflex loaded UL 94V-0 rated ABS Grille: Steel, with weather resistant coating
Safety Features Safety ring located at rear of enclosure for load bearing safety bond
Clamping Design Min / Max Clamping Range: 8.0mm (0.32") / 29.0mm (1.14") Recommended Clamp Torque: 1.5Nm
ConnectorsRemovable locking connector with screw terminals with "loop through" facility
Safety Agency RatingsUL-1480, UL-2043, CE
BM Hole Cutout Diameter 190mm (7.48")
PI Hole Cutout Diameter 190mm (7.48")
DimensionsBezel diameter: 210mm (8.27") BM model: Front of ceiling to rear of back can 189.50mm (7.46") BM model: Front of ceiling to top of safety loop 206.80mm (8.14") PI model: Front of ceiling surface to rear of speaker unit 135.60mm (5.34") PI model: Front of accessory back can bezel to top of safety loop 153.50mm (6.04")
Net Weight (ea)CMS501 DC BM: 3.90kg (7.94lbs) CMS501 DC PI: 2.85kg (6.39lbs) PI back can: 2.60kg (5.73lbs)
Included Accessories C Ring Tile bridge Paint mask Cutout template Grille
Optional Accessories Plaster (mud) ring
Optional Accessories Plaster (mud) ring

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