Tannoy CMS 503DC BM

Specifications

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 matt 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
• 10-Year Warranty Program
• Designed and engineered in the U.K.

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 Ω) / 15 W (330 Ω) / 7.5 W (660 Ω) / 3.75 W (1320 Ω) / OFF & low impedance operation; 100 V: 30 W (330 Ω) / 15 W (660 Ω) / 7.5 W (1320 Ω) / OFF & low impedance operation

Transducers:

• Dual concentric point source driver: 1 x 130 mm (5.0″) Dual Concentric driver, using Omnimagnet technology
• Low frequency: 35 mm (1.38″) voice coil, treated multi fiber paper pulp cone
• High frequency: 20 mm (0.79″) PEI dome

Physical:

• 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 Min / Max clamping range 9.5 mm (0.37″) / 60 mm (2.36″) Recommended clamp torque: 1.5 Nm
• Blind mount (BM): Complete with fixed backcan
• 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
• Bezel diameter: 205.9 mm (8.11″)
• BM model: Front of ceiling to rear of backcan: 188.0 mm (7.40″)
• BM model: Front of ceiling to top of safety loop: 205.3 (8.08″)
• PI model: Front of ceiling surface to rear of speaker unit: 133.3 mm (5.25″)
• PI model: Front of accessory backcan 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)
• Net weight (ea) CMS 503DC PI: 1.9 kg (4.18 lbs)
• PI Backcan: 3.7 kg (8.1 lbs)
• Included accessories: C-Ring, tile-bridge kit, paint mask, cut-out template, grille
• Optional accessories: Plaster (mud) ring, Arco grille
• Packed quantity: 2