Next Generation Radius Fine-tunes a Winning Formula

Latest evolution of the original 'designer' sat/sub system introduces new models and all C-CAM driver technologies!

In 2003 Monitor Audio launched the first compact lifestyle speaker systems in a wide range of finishes and changed the way the world thought about sound in the home. Inspired by innovation from Monitor Audio's flagship loudspeakers, the class-defining award-winning Radius series was upgraded with sleek new cabinets and drivers in 2008 to create Radius HD, which has enjoyed even wider acclaim, collecting, among others, a coveted Europe-wide EISA award in 2009.


Now the trademark Radius blend of great sound and a space-efficient design has been further refined to incorporate all metal alloy drivers and new models fashioned for the demands of today's style-conscious audio fans. Alongside re-vamped Radius 45, 90 and 270 designs, the new eight-strong model line-up includes slimmed-down (to 2 1/2" depth) versions of the 225 centre speaker and Radius One soundbar, together with a new Radius 200 centre-channel speaker and two enormously powerful yet super-compact active subwoofers: Radius 380 and 390.

Key performance enhancements come from new all-metal driver configurations. For the first time in a Radius series, the new range utilises C-CAM mid-bass drivers, featuring concave cone profiles introduced originally by the range-topping Platinum series and subsequently on Gold GX. The radically upgraded drivers benefit from the latest developments in cone geometry and drive mechanisms to extract optimum performance from Monitor Audio's signature C-CAM material. Unlike conventional cones, which incorporate a centre aperture for the voice-coil, the new Radius bass cones take the form of a continuous rigid surface, coupled to a longer voice coil and larger
motor by an innovative, more efficient drive assembly. Perfected by extensive FEA modelling, and supported by HiVe port reflex loading, the wholly revitalised Radius bass drivers offer greater drive force, longer excursions and lower distortion, producing cleaner, more extended and accurate bass definition.

Complementing improved bass performance, a new 1" C-CAM tweeter has been developed to deliver the widest, cleanest frequency range possible from the compact Radius cabinets. Applying refinements from Monitor Audio's architectural speakers, the Radius tweeter vents internally through a specially designed housing and around the outside of the magnet system to a rear-loading chamber for much lower resonance and better damping. As a result lower frequencies at the crossover point with the bass driver are more accurately resolved, creating a smoother, more natural response from the system.

New Radius model introductions include the Radius 200 centre-channel speaker, an alternative to the 225 and designed for specialised home theatre systems in which the centre speaker is mounted on a rack, cabinet or shelf. The entirely re-engineered Radius subwoofer cubes offer a dramatic leap in performance over their predecessors. Powered by generously up-rated amplifiers, they feature newly developed dual driver systems of side-firing active and passive ABR C-CAM drivers, colour-coded to match cabinet finish. Both ultracompact designs offer impact, music and movie EQ presets and a 12V trigger. The 380 has twin 8" drivers powered by a 200W Class D amplifier - twice the power of the Radius 360 it replaces; the 390 uses twin 10" drivers powered by a 220W Class D amp. Both amplifiers are DSP controlled and ABRs are tuned low to produce deep, taut, size-defying bass.

Finishes: Gloss Black, Gloss White, Walnut.
FEATURES AND SPECIFICATIONS

Radius45 - Super-compact Speaker Cube
* Configuration and dimensions remain similar to its predecessor.
* Single point ¼"x20TPI wall fixing. Use the optional Monitor Audio UWB or any standard
wall bracket.
MSRP: $375/pr

Radius90 - Compact 2-way Monitor
* Configuration and dimensions remain similar to its predecessor.
* Single point ¼"x20TPI wall fixing. Use the optional Monitor Audio UWB or any standard
wall bracket.
* New 4" C-CAM mid-bass driver.
* New 1" C-CAM gold dome tweeter.
MSRP: $500/pr

Radius225 - Compact LCR
* Cabinet depth reduced to 2 1/2" to allow for lower profile on-wall placement and more attractive
appearance. Cabinet depth is 40% less than its predecessor.
* Dual C-CAM mid-bass drivers with C-CAM tweeter in MTM style configuration.
* Monitor Audio UWB included.
MSRP: $400 ea

Radius200 - Compact Centre-channel Speaker
* New ultra compact - dedicated centre speaker.
* Dual C-CAM mid-bass drivers with C-CAM tweeter in MTM style configuration.
MSRP: $375 ea

RadiusONE - Compact Soundbar
* Smaller, compact size - cabinet depth reduced to only 2 1/2" to allow for lower profile on-wall
placement and more attractive appearance. Cabinet depth is 40% less than its predecessor.
* Integrates three identical channels - 3 x C-CAM mid-bass drivers, 3 x C-CAM tweeters working in
individual separate ported cabinets.
* Change to single grille to further enhance the visual appearance and style.
* Monitor Audio UWB included.
MSRP: $825 ea

Radius270 - Compact Floorstander
* Configuration remains similar to its predecessor.
* New 4" C-CAM mid-bass drivers.
* New 1" C-CAM gold dome tweeter.
MSRP: $1,250/pr

Radius 380 - Compact Subwoofer
* New ultra- compact 'cube' shape high performance subwoofer.
* Dual 8" C-CAM drivers - long throw driven C-CAM bass driver and C-CAM ABR
(Auxiliary Bass Radiator).
* ABR is tuned low in frequency and designed to provide tight clean, but powerful bass.
* Side-firing drivers with no grilles, colour coded to match the contrasting cabinet finishes
(white has silver driver cones; black and dark wood finishes have black cones).
* 200 watt class D amplifier with DSP - 100% increase in power over its predecessor.
* Impact, Music and Movie Settings.
* 12V trigger.
MSRP: $725 ea

Radius 390 - Compact Subwoofer
* New compact 'cube' shape high performance subwoofer.
* Dual 10" C-CAM drivers - long throw driven C-CAM bass driver and C-CAM ABR (Auxiliary Bass
Radiator).
* ABR is tuned low in frequency and designed to provide tight clean, but powerful bass.
* Side-firing drivers with no grilles, colour coded to match the contrasting cabinet finishes
(white has silver driver cones; black and dark wood finishes have black cones).
* 220 watt class D amplifier with DSP.
* Impact, Music and Movie Settings.
* 12V trigger.
MSRP: $900 ea

What is C-CAM? Ceramic-Coated Aluminium/Magnesium is an innovative material originally developed by the aerospace industry for use as blades in jet engines. It exhibits ideal qualities for use as a driver dome, avoiding the 'break-up' or bending modes of more conventional materials. Increased efficiency and clarity and reduced distortion are the result.

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The GP565 Smart Home RF chip for remote controls supports voice control, motion sensing and the new ZRC 2.0 protocol. The GP565 is optimized for advanced & low cost ZigBee RF4CE remote controls. • 120k or 248k Flash (8k or 16k RAM) memory • 40-pin footprint to support a keyboard scanner interface or other IO interfaces required for remote controls. • Reduced current consumption and improved receiver sensitivity and output power • Patented Antenna Diversity technology enables superior range and WiFi/Bluetooth interference rejection