At the heart of the three-way PCI 45DC + RB’s incredible performance you will find an all-new development of our legendary and exclusive Dual concentric driver technology. Designed and engineered it the UK, this listener focussed new driver handles up to 280 Watts and is extremely easy to drive. The compact, stylish and state of the art design comprises a single 118.5 mm (4.50″) driver with a blue Kevlar cone and high-excursion rubber surround and centrally located HF drive. This new Dual Concentric driver offers enhanced dispersion – creating and even more balanced spread of sound around the listening area.
Features
- Premium, high-definition loudspeaker for ceiling installation applications
- 4.5″ Dual Concentric driver featuring Tannoy point-source constant directivity
- Tulip Waveguide for a smooth, uniform frequency response over a wide area of coverage unachievable with discrete, two-way designs
- Paper cone and rubber surround provide excellent sound and high excursion linearity
- 2 x 5″ woofers for remarkably clean, clear sound and powerful bass 4.5″ middle Blue Kevlar* cone with high-excursion, rubber surround for high power handling
- 70 Watts continuous, 280 Watts peak power
- Extremely thin bezel for discreet installation
- Rigid diecast chassis for improved bass performance and durable application
- Integrated single unit construction for easy installation
- Semi matt white finish fits unobtrusively in any environment
- Powder coated UV resistant perforated steel mesh grille with dust protection
- Removable grille for custom painting
- Self-aligning clamp mounting system
- Removable Tannoy grille badge
- Tannoy – Over 90 years of British sound heritage and innovation
Specifications
Performance
| Frequency response (±3 dB) | 100 Hz – 20 kHz |
| Frequency response (-10 dB) | 60 Hz – 20 kHz |
| Sensitivity (1 W @ 1m) | 90 dB |
| Directivity factor (Q) | 6.3 averaged 1 kHz to 10 kHz |
| Directivity index (DI) | 8 averaged 1 kHz to 10 kHz |
| Power handling (IEC) | |
| Average | 70 W |
| Programme | 140 W |
| Peak | 280 W |
| Recommended amplifier power | 210 W @ 8 Ω |
| Nominal Impedance (Lo Z) | 8 Ω |
| Rated maximum SPL (1 m, Lo Z) | |
| Average | 108 dB |
| Peak | 114 dB |
| Transformer taps | NA |
| Crossover point | 750 Hz / 2.1 kHz |
Coverage angles
| 500 Hz | 156° horizontal, 167° vertical |
| 1 kHz | 81° horizontal, 101° vertical |
| 2 kHz | 145° horizontal, 138° vertical |
| 4 kHz | 123° horizontal, 120° vertical |
Transducers
| Low frequency diameter/material/type | 2 x 126 mm (5″) / 1 x 118.5 mm (4.5″) |
| High frequency diameter/material/type | 20.4 mm (0.8″) |
Physical
| Enclosure | |
| Back can | Plastic,with spraying |
| Baffle | Reflex loaded UL94 V-0 rated ABS |
| Grille | Steel, with weather resistant coating |
| Safety features | With a safety loop |
| Clamping design | Security toggle clamp |
| Connectors | Phoenix Contact terminal block |
| Dimensions (HxWxD) | 353 x 353 x 199 mm (13.9 x 13.9 x 7.8″) |
| Bezel dimensions | 353x353mm (13.9″x13.9″) |
| Mounting depth | 188 mm (7.4″) |
| Hole cutout dimensions | 330.2 x 330.2 mm(13.0″x13.0″) |
| Net weight | 7.7 kg (16.9 lbs) |
| Packed quantity | 1 |
| Included accessories | Grille, paint mask, tool kit, screws, plain washer |
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