Radius

Radius 45

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The diminutive Radius 45 cube is the epitome of Radius innovation: a speaker so small has no right to sound as good as it does, yet miraculously the 45 reveals astonishing mid-range clarity and high frequency ambience from its 3” (75mm) MMP®II mid-bass driver and rear-firing 3/4” (19mm) C-CAM® tweeter. It’s perfect for ultra-discreet sound all around the home, or partnered with the Radius 380 sub for explosive stereo from an ultra-compact system. The new Radius 45 is also good for surround sound duties in a smaller room. It incorporates a single point ¼” x UNC (20TPI) wall fixing for use with the optional optional MASM speaker mount or any standard wall bracket. Alternatively, fit the 45 to our Radius floor stands, which utilise innovative floor-level connections for a luxury wire-free look.

Features

  • 3" MMP®II Driver. All drivers are dedicated and model specific, with each model in the Radius series being designed and voiced individually.
  • 3/4" gold C-CAM® tweeter, rear-firing to enhance sound dispersion characteristics
  • Single through-bolt driver fixing. Provides mechanical de-coupling properties resulting in enhanced mid-band clarity and resolution. Through-bolts also act as rigid cross bracing to give a very solid non-resonant cabinet.
  • Single point ¼"x20TPI wall fixing. Use the optional Monitor Audio speaker mount or any standard wall bracket
  • Optional floor-stand with internal (pre-wired) cable management system

Specification

ItemValue
Frequency Response 120Hz - 20KHz
Sensitivity 87dB
Nominal  Impedance 8 ohms
Power Handling Single (RMS) 25 watts
System Power Handling (RMS) 50 watts
Recommended Amplifier Requirements 15-50 watts
Maximum SPL (dBA) 101
Bass Alignment Sealed Cabinet
Driver complement 1 x 3" (75mm) MMP2® cone bass/mid-range Driver
1 x 3/4" (20mm) C-CAM® gold dome tweeter 
Cabinet Dimensions (H x W x D) 100 x 100 x 100mm
(315/16 x 315/16 x 315/16 Inches)
Cabinet Dimensions (H x W x D)
(Inc Grille & Terminals)
100 x 100 x 124mm
(315/16 x 315/16 x 47/8 Inches)
Cabinet Dimensions (H x W x D)
(Inc Grille & Bracket)
100 x 100 x 162mm
(315/16 x 315/16 x 63/8 Inches)
Bracket Optional - Monitor Audio Speaker Mount (MASM)
Weight 1kg (2lb 4oz)

Finishes

  • Walnut Real Wood VeneerWalnut Real Wood Veneer
  • High Gloss Black LacquerHigh Gloss Black Lacquer
  • High Gloss White LacquerHigh Gloss White Lacquer

Technology

MMP® II

MMP® II

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.

Gold Dome C-CAM®

Gold Dome C-CAM®

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.

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Accessories

De-Tox CD

De-Tox CD

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.

Speaker Mount

Speaker Mount

If you'd like to elevate your speakers on wall or ceiling you can be sure that our bespoke bracket for your speakers is perfect for the job. Purpose-built from aluminium to be strong, light, safe, easy to fit and to adjust, this stylish accessory will deliver the perfect effect, aesthetically and sonically. Download the bracket instructions (PDF).

SheerBrilliance Lacquer Polish

SheerBrilliance Lacquer Polish

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!