The CMS 803DC BM is a full bandwidth 360-Watt high sensitivity loudspeaker that utilises our third generation Ceiling Monitor System technology (CMS 3.0). Thanks to an all-new proprietary 8″ Dual Concentric pointsource driver with Omnimagnet technology on a Torus Ogive Waveguide, the UL certifi ed CMS 803DC BM delivers wide and consistent broadband directivity with enhanced intelligibility – plus highly accurate and linear response.
Features
- Full range ceiling loudspeaker for installation applications
- 90 Watts continuous, 360 Watts peak power
- Next generation 8″ 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 60 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 5 way clamp mounting system
- Mounting C-ring and ceiling tile rails included
Specifications
Performance
| Frequency response (-3 dB) (1) | 47 Hz – 30 kHz BM Backcan |
| Frequency range (-10 dB) (1) | 40 Hz – 35 kHz BM Backcan |
| Frequency range (-10 dB) (1) | 41 Hz – 35 kHz PI Backcan |
| System sensitivity (1 W @ 1 m) (2) | 92 dB (1 W = 4 V for 16 Ohms) |
| Nominal coverage angle | 90 degrees conical |
| Power handling (3) | |
| Average | 90 W |
| Programme | 180 W |
| Peak | 360 W |
| Recommended amplifier power | 180 W @ 16 Ohms |
| Nominal impedance (Lo, Z) | 16 Ohms |
| Rated maximum SPL | |
| Average | 112 dB |
| Peak | 118 dB |
| With THP60 – average | 110 dB |
| Transformer taps (via front rotary switch) | |
| 70 V | 60 W (83 Ω) / 30 W (165 Ω) /15 W (330 Ω) / 7.5 W (660 Ω) /OFF & low impedance operation |
| 100 V | 60 W (165 Ω) / 30 W (330 Ω) /15 W (660 Ω) / OFF & lowimpedance operation |
Transducers
| Dual concentric point source driver | 1 x 200 mm (8.0″) Dual Concentricdriver, using Omnimagnet technology |
| Low frequency | 44 mm (1.75″) voice coil, treated multifiber paper pulp cone |
| High frequency | 25 mm (1.00″) 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 fi xed 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 |
Physical
| Dimensions | |
| Bezel diameter | 319.0 mm (12.56″) |
| Front of ceiling to rear of backcan | – |
| Front of ceiling to top of safety loop | – |
| BM model: Front of ceiling to rear of backcan | 310.5 mm (12.22″) |
| BM model: Front of ceiling to top of safety loop | 327.7 mm (12.90″) |
| PI model: Front of ceiling surface to rear of speaker unit | 125.6 mm (4.94″) |
| PI model: Front of accessory backcan bezel to top of safety loop | 168.5 mm (6.63″) |
| Hole cutout diameter (all models) | 295 mm (11.61″) |
| Net weight (ea) | |
| CMS 803DC BM | 8.5 kg (18.74 lbs) |
| CMS 803DC PI | 5.0 kg (11.02 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 |
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