Tannoy CMS503ICTBM


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Based on Tannoy’s proprietary ICT (Inductive Coupling Technology) driver the CMS 503ICT and CMS 603ICT deliver wide-bandwidth, wide dispersion point-source audio performance and articulation in a compact and low-cost package with flexible installation options. The CMS 503ICT uses a newly refined 130mm (5.00”) Tannoy ICT driver with mineral loaded polypropylene cone and ICT aluminium dome tweeter assembly. With a frequency range of 71Hz-24kHz (PI Backcan version), continuous program power handling of 100Watts, sensitivity of 89dB/Watt and 90 degree conical dispersion pattern the CMS 503ICT is ideal for small to medium sized rooms or installations requiring arrays of in-ceiling speakers to cover a large area.

The point source configuration of the Tannoy ICT driver’s mid-bass and tweeter sections ensures a wide and controlled dispersion for optimum coverage and greater intelligibility. Use of wireless electromagnetic coupling to drive the tweeter means that no crossover is required, making the ICT drive unit exceptionally reliable and ideal for applications where constant heavy usage is anticipated. The mineral-loaded polypropylene cone material and nitrile rubber surround further enhance durability and long-term reliability.

The incorporated low-insertion loss 30 W transformer features convenient front bezel switching for taps at 30 W and 15 W, with an additional 7.5 W tap for traditional constant voltage systems. Flexible features include extra clamp extension to accommodate thicker ceiling panels, and a locking design that prevents inadvertent over-tightening. Magnetic grille attachment enables easy removal and fitting for custom painting and tapping changes with grilles now available as either traditional style (inset in bezel) or Arco™ style, which conceals the entire unit for architect-friendly aesthetic appeal.

The CMS 503ICT is available in blind mount (BM) version with an integral back-can, ready to install as a single unit, while the CMS 503ICT PI (Pre-Install) is supplied without a back-can. The zinc plated steel back-cans have an integrated, recessed termination box. All models are supplied with classic grille, two tile support rails and one C-ring. Arco grille and plaster (mud) ring are available as optional accessories.

Tannoy CMS 503ICT Specifications:

    • Frequency Response (-3dB) (1):
      • BM Backcan: 85 Hz - 22 kHz
    • Frequency Range (-10dB) (1):
      • BM Backcan: 74 Hz - 24 kHz
      • PI Backcan: 71 Hz - 24 kHz
    • System Sensitivity (1W @1m) (2) 89 dB (1 W = 4 V for 16 Ohms)
    • Nominal Coverage Angle: 90 degrees conical
    • Coverage Angle (1 kHz to 6 kHz): 105 degrees
    • Directivity Factor (Q): 5.6 averaged 1 kHz to 6 kHz
    • Directivity Index (DI): 7.0 averaged 1 kHz to 6 kHz
    • Power Handling (3):
      • Average: 50 W
      • Programme: 100 W
      • Peak: 200 W
    • Recommended Amplifier Power: 100 W @ 16 ohms
    • Nominal Impedance (Lo,Z): 16 ohms
    • Rated Maximum SPL:
      • Average: 106 dB
      • Peak: 112 dB
    • Transformer Taps (via front rotary switch):
      • 70V: 30 W (165 O) / 15 W (330 O) / 7.5 W (660 O) / 3.75 W (1320 O) / OFF & low impedance operation
      • 100V: 30 W (330 O) / 15 W (660 O) / 7.5 W (1320 O) / OFF & low impedance operation
    • Crossover: 7 kHz inductively coupled
    • Low Frequency: 130 mm (5.00”) mineral loaded polypropylene
    • High Frequency: ICT aluminium dome
    • Enclosure:
      • Backcan: 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: Security toggle clamp
    • Backcan Options:
      • Blind Mount (BM): Complete with fixed back can
      • Pre Install (PI): Separate backcan for pre-installation
      • Cable Entry Options: Cable clamp & squeeze connector for conduit up to 22 mm
      • Conduit Knockouts on PI Backcan: 3 sets of horizontal positions 19 / 22 / 28 mm (0.75" / 0.87" / 1.10")
      • Connectors: Removable locking connector with screw terminals with "loop through" facility
      • Compliance: UL-1480, UL-2043, CE
    • Dimensions:
      • Bezel diameter: 205.9 mm (8.11")
      • BM Model: Front of ceiling to rear of back can: 188.5 mm (7.42")
      • BM Model: Front of ceiling to top of safety loop: 205.8 mm (8.10")
      • PI Model: Front of ceiling surface to rear of speaker unit: 131.7 mm (5.19")
      • PI Model: Front of accessory backcan bezel to top of safety loop: 153.5 mm (6.04")
      • Hole cutout diameter: 190 mm (7.48")
      • Net Weight (PI Backcan): 2.6 kg (5.73 lbs.)
    • Included Accessories:
      • C Ring
      • Tile bridge
      • Paint mask
      • Cutout template
      • Grille
    • Optional Accessories:
    • Plaster (Mud) ring
    • Arco Grille
    • Packed Quantity: 2

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