The diminutive R45HD is the perfect satellite speaker for front left, centre, right and rear surround sound applications. Its secret is a combination of a 75mm (3”) MMP®II cone mid-bass driver and rear-firing 20mm (¾”) C-CAM® gold dome tweeter, which spreads and magnifies the sound around the room to create a huge, encompassing surround sound effect. Designed to dovetail with the R360HD subwoofer and available in the RadiusHD range of real wood veneers and lacquers, the R45HD will blend perfectly with your décor in an ultra-discreet, multi-channel audio or video system. Installing the R45HD on the ceiling or wall is easy by using the high quality angled bracket supplied. Use the optional bespoke RadiusHD stand for floor positions.
| Item | Value |
|---|---|
| Frequency Response: | 120 Hz - 20 KHz |
| Sensitivity (1W@1m): | 87 dB |
| Nominal Impedance: |
8 Ohms |
| Power Handling Single (RMS): |
25 W |
| System Power Handling (RMS): | 50 W |
| Recommended Amplifier Requirements: | 5 - 50 W |
| Maximum SPL (dBA): | 101 |
| Bass Alignment: | Sealed cabinet |
| Drive Unit Complement: | 1 x 75mm (3") MMP®II cone mid-bass driver. 1 x 20mm (3/4") C-CAM® gold dome tweeter |
| External Dimensions (H x W x D): mm (inches) |
100 x 100 x 100 mm (3 15/16 x 3 15/16 x 3 15/16) |
| Weight (each): Kg (lbs) |
0.95 (2 1/8) |
High Gloss Silver Lacquer
Walnut Real Wood Veneer
Rosemah Real Wood Veneer
Piano Black Lacquer
Piano White Lacquer
The gold dome tweeter is formed from a ceramic-coated aluminium/magnesium alloy, gold anodised to a specific thickness for ideal stiffness and damping characteristics. Its new profile and surround geometry have been developed using advanced modelling tools, to provide the optimum qualities for accurate sound reproduction. The new design moves the first order of breakup to beyond 35kHz, producing a linear response way beyond audibility, which matches the wide frequency bandwidth available from HD music and cinema sound formats.
The gold dome is thinner, lighter, more rigid and therefore more efficient than domes made from other materials which are prone to distortion in the audio band.
Metal Matrix Polymer driver cones have a polypropylene base loaded with metallic particles to offer a rigid and responsive structure. They are manufactured using a sophisticated high-pressure injection process, which modulates cone thickness at critical points to optimise stiffness and consistency, resulting in a superior sonic performance.
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