Monitor Audio Radius One LCR Speaker

Monitor Audio


From £499.00


Spend another £499.00 to buy on 0% finance

Monitor Audio Radius One LCR Speaker

The Radius One incorporates a string of C-CAM® drivers arranged in three sets of 100mm (4”) bass driver/ 25mm (1”) tweeter pairings, each with its own dedicated reflex-ported chamber. The innovative shallow-profile drivers introduced by the new Radius series allow us to generate the triple impact of left, centre and right channels from a cabinet that's 40% smaller than its predecessor.

New 4” C-CAM® bass driver

Radius features all new bass drivers with concave cone profiles, introduced by our top-of-the-range Platinum speakers and applied subsequently to Gold GX.  Extensive research and FEA modelling have allowed us to perfect the relationship between the new radiating diaphragm and its motor design, introducing larger motor sizes and voice coils for increased excursion, higher power capability and reduced distortion.

New C-CAM gold dome tweeter

Optimised to deliver the finest and widest performance within the compact Radius cabinets. It benefits from a more efficient rear-venting design, releasing air trapped and compressed at the back of the tweeter dome, and guiding it around the drive assembly to a rear-loading chamber.

Single through-bolt driver fixing

Provides mechanical de-coupling and enhanced mid-band clarity and resolution. The through-bolts also act as rigid cross bracing to give a very solid non-resonant cabinet.

Wall mounting bracket Included

Frequency Response

90Hz - 35KHz



Nominal  Impedance

6 Ohms

Power Handling Single (RMS)

75 Watts

System Power Handling (RMS)

100 Watts

Recommended Amplifier Requirements

30-100 Watts

Maximum SPL (dBA)


Bass Alignment

C:Bass reflex - Front ported L/R:Bass reflex - Side ported

Driver complement

3 x 4” (100mm) C-CAM cone bass/mid driver

3 x 1” (25mm) C-CAM gold dome tweeter

Cabinet Dimensions (H x W x D)

175 x 980 x 67mm

(67/8 x 389/16 x 25/8 Inches)

Cabinet Dimensions (H x W x D)(Inc Grille & Terminals)

175 x 980 x 79mm

(67/8 x 389/16 x 31/8 Inches)

Cabinet Dimensions (H x W x D)(Inc Grille & Bracket)

175 x 980 x 84mm

(67/8 x 389/16 x 35/16 Inches)


Dedicated bracket included


7.4kg (16lb 4oz)


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