The slender Radius 225 is even slimmer than its predecessor. At just 65mm in depth, the 225 is the perfect match with today’s ultra-thin displays. Use it as a centre channel or main speaker: its acoustic design of twin 4” (100mm) C-CAM® mid/bass drivers astride a 1” (25mm) C-CAM tweeter delivers superb accuracy from horizontal and vertical positions. Extend bass further by adding the awesome 380 or 390 subs for breathtaking full-range AV or stereo sound. The new 225 may be thinner physically, but its performance will fill the air with exhilarating audio wall-to-wall. A dedicated wall bracket is included with the 225.
|Frequency Response||80Hz - 35KHz|
|Nominal Impedance||6 ohms|
|Power Handling Single (RMS)||100 watts|
|System Power Handling (RMS)||150 watts|
|Recommended Amplifier Requirements||40-150 watts|
|Maximum SPL (dBA)||107|
|Bass Alignment||Bass reflex - front ported|
|Driver complement||2 x 4” (100mm) C-CAM® cone bass/mid driver
1 x 1” (25mm) C-CAM gold dome tweeter
|Cabinet Dimensions (H x W x D)||610 x 140 x 67mm
(24 x 51/2 x 25/8 Inches)
|Cabinet Dimensions (H x W x D)
(Inc Grille & Terminals)
|610 x 140 x 77mm
(24 x 51/2 x 31/16 Inches)
|Cabinet Dimensions (H x W x D)
(Inc Grille & Bracket)
|610 x 140 x 84mm
(24 x 51/2 x 35/16 Inches)
|Bracket||Dedicated bracket included|
|Weight||4.2kg (9lb 4oz)|
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.
Ceramic-Coated Aluminium/Magnesium is a material originally developed by the aerospace industry for jet engine components. Its properties are ideal for loudspeaker cones being extremely rigid, yet light enough to yield high overall efficiency. In manufacture, aluminium/magnesium alloy undergoes a three-stage stress-relieving process to remove surface deformation and molecular weakness. Once formed, the alloy cone is subjected to a high temperature anodic coating process in which a layer of pure ceramic alumina is depleted onto its surfaces to a depth of 50 microns, producing a completely rigid sandwich of alloy and heat-dissipating ceramic material.
Conventional cones are liable to flex or twist in operation, producing a significant level of audible distortion. C-CAM cones have a much higher resistance to bending stress and therefore exhibit much greater fidelity over their entire operating range. C-CAM tweeters and woofers share an audible consistency producing a smooth transition of frequencies and a sense of realism and cohesion in the soundstage.
Refined over many years by Monitor Audio, Ceramic-Coated Aluminium/Magnesium is used as a driver cone material for all our speaker designs from the mid-market models up. Originally developed by the aerospace industry for jet engine components, C-CAM's properties are ideal for loudspeaker cones being extremely rigid, yet light enough to yield high overall efficiency. C-CAM bass drivers are able to resist the bending distortion imposed by sudden and extreme bass excursions to reproduce very clean, deep and dynamic bass frequencies. Conventional cone materials are more likely to flex in operation, producing a significant level of audible distortion.
A new type of port technology which uses a straight rifled design to accelerate air flow and reduce turbulence. HiVe II technology has the ability to move air in and out much quicker than a conventional port, the result is fast powerful bass coupled with superior transient response.
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Custom-developed for Monitor Audio and utilising advanced simulation technology, the new De-Tox CD will help you to run-in your speakers in less time and more comprehensively than is possible with music or other burn-in signals.
Developed for Monitor Audio by Autoglym, the world-renowned expert in high quality car care and valeting products, SheerBrilliance Lacquer Polish is scientifically and specifically formulated to restore the deep rich lustre of all high gloss lacquer speaker finishes with a single easy application. By using SheerBrilliance Lacquer Polish, you'll experience the sumptuous 'as new' brilliance of your beloved speakers all over again!