The Tannoy CMS 603DC PI 6″ Full-Range Ceiling Loudspeaker with Dual Concentric Driver – Pre Install is a high-performance installation speaker engineered for professional audio systems in commercial and architectural environments. It features Tannoy’s renowned Dual Concentric driver technology with a 165 mm (6.5″) dual-concentric point-source unit that integrates the high- and low-frequency drivers at a single acoustic origin, delivering smooth, coherent sound and exceptional intelligibility across the listening area. Capable of up to 320 W peak power handling and up to 116 dB SPL, it supports both low-impedance 16 Ω systems and 70 V/100 V distributed audio lines via multiple transformer taps, making it versatile for foreground music, paging and voice-alarm applications. The pre-install version is supplied without a backcan, allowing it to be installed during building construction or renovation for a discreet finish and easy integration with ceiling infrastructure. A magnetically attached, paintable grille blends into any décor, while the self-aligning clamp system and included tile rails and mounting rings simplify flush-mount installation; compliance with UL-1480 and UL-2043 safety standards ensures suitability for general signaling and air-handling spaces.
Features
- Full range ceiling loudspeaker for installation applications
- 80 Watts continuous, 320 Watts peak power
- Next generation 6″ Dual Concentric driver featuring Omnimagnet technology
- Torus Ogive waveguide for improved high frequency response and directivity
- Pre-install version supplied without back can (available separately)
- 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 when used with the optional CMS 603 PI BACKCAN
- Low insertion loss 60 W line transformer with easily accessible tapping switch. Note that the transformer is mounted in optional CMS 603 PI BACKCAN
- 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 4 way clamp mounting system
- Mounting C-ring and ceiling tile rails included
Specifications
Performance
| Frequency response (-3 dB) (1) BM Backcan | 75 Hz – 30 kHz |
| Frequency range (-10 dB) (1) BM Backcan | 50 Hz – 30 kHz |
| Frequency range (-10 dB) (1) PI Backcan | 46 Hz – 30 kHz |
| System sensitivity (1 W @ 1 m) (2) | 91 dB (1 W = 4 V for 16 Ohms) |
| Nominal coverage angle | 90 degrees conical |
| Coverage angle (1 kHz to 6 kHz) | — |
| Directivity factor (Q) | — |
| Directivity index (DI) | — |
| Power handling (3) |
Transducers
| Dual concentric point source driver | 1 x 165 mm (6.5″) Dual Concentric driver, using Omnimagnet technology |
| Low frequency | 44 mm (1.75″) voice coil, treated multi fiber paper pulp cone |
| High frequency | 25 mm (1.00″) PEI dome |
Physical
| Enclosure | |
| Safety features | Safety ring located at rear of enclosure for load bearing safety bond |
| CMS 603ICT LS | UL 1480 UUMW certifi cation for Life Safety applications |
| Clamping design | Security toggle clamp Min / Max clamping range 9.5 mm (0.37″) / 60 mm (2.36″) Recommended clamp torque: 1.5 Nm |
| Backcan options | |
| 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 | |
| Net weight (ea) | |
| Included accessories | C-Ring, tile-bridge kit, paint mask, cut-out template, grille |
| Optional accessories | Plaster (mud) ring, Arco grille |
| Packed quantity | 2 |
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