
TANNOY CMS 503DC BM 5" Full Range Ceiling Loudspeaker with Dual Concentric Driver for Installation Applications (Blind Mount) (CMS 503DC BM)
TANNOY CMS 503DC BM 5" Full Range Ceiling Loudspeaker with Dual Concentric Driver for Installation Applications (Blind Mount) (CMS 503DC BM) The CMS 503DC BM stands as a robust full-bandwidth 240-Watt high-sensitivity loudspeaker, embodying our state-of-the-art Ceiling Monitor System technology (CMS 3.0). It features an exclusive 5" Dual Concentric point-source driver equipped with Omnimagnet technology on a Torus Ogive Waveguide. This UL certified speaker ensures expansive, reliable broadband directivity, significantly enhancing intelligibility while delivering an exceptionally accurate and linear response. Optimized for Installation The CMS 503DC BM comes equipped with a purpose-built self-aligning 3-way clamp system for quick, easy, and cost-effective installation. Its acoustically enhanced zinc-plated steel back can features a removable locking screw terminal connector and loop-thru functionality. Additionally, it includes a low-insertion loss 30 W transformer with convenient front panel tap switching, a paintable powder-coated steel mesh grille with dust protection, two tile support rails, and a C-ring. For aesthetic purposes, an Arco style grille that conceals the entire unit and a plaster (mud) ring are available separately. LAB GRUPPEN Ready The CMS 503DC BM is finished in semi matt white and optimised for use with LAB GRUPPEN LUCIA amplifiers, which accommodate up to 8 CMS Series loudspeakers per channel. Product Features Full-range ceiling loudspeaker for installation applications 60 Watts continuous, 240 Watts peak power Next generation 5" Dual Concentric driver featuring Omnimagnet technology Torus Ogive waveguide for improved high-frequency response and directivity Blind Mount version supplied with acoustically enhanced zinc-plated steel back can Integrated single-unit construction for ease of installation UL 1480 certified for general signalling systems UL 2043 certified for air-handling spaces Multiple transformer taps for 70 V and 100 V line systems or 16 Ohm direct input Low insertion loss 30 W line transformer with easily accessible tapping switch Optimised for LAB GRUPPEN low impedance LUCIA amplifiers with up to 8 CMS series loudspeakers per channel Semi-matte white finish fits unobtrusively in any environment Powder-coated UV resistant perforated steel mesh grille with dust protection Removable magnetic grille for custom painting Optional ARCO designer grilles available for minimal architectural impact Self-aligning 3 way clamp mounting system Mounting C-ring and ceiling tile rails included Specifications Performance Frequency response (-3 dB) (1) 85 Hz - 50 kHz BM Backcan Frequency range (-10 dB) (1) 74 Hz - 54 kHz BM Backcan Frequency range (-10 dB) (1) 70 Hz - 54 kHz PI Backcan System sensitivity (1 W @ 1 m) (2) 89 dB (1 W = 4 V for 16 Ohms) Nominal coverage angle 90 degrees conical Power handling (3) Average 60 W Programme 120 W Peak 240 W Recommended amplifier power 120 W @ 16 Ohms Nominal impedance (Lo, Z) 16 Ohms Rated maximum SPL Average 107 dB Peak 113 dB Transformer taps (via front rotary switch) 70 V 30 W (165 O) / 15 W (330 O) /7.5 W (660 O) / 3.75 W (1320 O) /OFF & low impedance operation 100 V 30 W (330 O) / 15 W (660 O) /7.5 W (1320 O) / OFF & lowimpedance operation Transducers Dual concentric point source driver 1 x 130 mm (5.0") DualConcentric driver, usingOmnimagnet technology Low frequency 35 mm (1.38") voice coil,treated multi fiber paper pulp cone High frequency 20 mm (0.79") PEI dome Physical 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 enclosurefor load bearing safety bond Clamping design Security toggle clamp Min / Maxclamping range 9.5 mm (0.37") /60 mm (2.36") Recommendedclamp torque: 1.5 Nm Backcan options Blind mount (BM) Complete with fixed backcan Pre install (PI) Separate backcan for pre-installation Cable entry options Cable clamp & squeeze connector forconduit up to 22 mm Conduit knockouts on PI Backcan 3 Sets of horizontal positions19 / 22 / 28 mm (0.75" / 0.87" / 1.10") Connectors Removable locking connectorwith screw terminals with“loop through” facility Compliance UL-1480, UL-2043, CE Dimensions Bezel diameter 205.9 mm (8.11") Front of ceiling to rear of backcan — BM model: Front of ceiling to <br />rear of backcan 188.0 mm (7.40") BM model: Front of ceiling <br />to top of safety loop 205.3 mm (8.08") PI model: Front of ceiling surface <br />to rear of speaker unit 133.3 mm (5.25") PI model: Front of accessory backcan <br />bezel to top of safety loop 153.5 mm (6.04") Hole cutout diameter (all models) 190 mm (7.48") Net weight (ea) CMS 503DC BM 4.3 kg (9.47 lbs) CMS 503DC PI 3.2 kg (7.05 lbs) PI Backcan 1.9 kg (4.18 lbs) Included accessories C-Ring, tile-bridge kit, paint mask,cut-out template, grille Optional accessories Plaster (mud) ring, Arco grille Packed quantity 2